EGEE 101 - Energy and the Environment
Methane turns into liquid at A) 164 C B) 16.4 C C) -164 C D) -16.4 C
-164 C
Three energy conversion processes take place in succession. The first has an efficiency of 51%, the second is 50% efficient, and the third 10%. What is the efficiency of the entire process? A) 1.11 B) 0.0128 C) 0.0255 D) 0.37
0.0255 .50 x .51 x .10 = 0.0255
The useful output from a heat engine is 962 joules. The energy that is wasted is 4428 J? What is the efficiency of the engine? A) 0.217 B) 0.1784 C) 4.6 D) 21.7
0.1784 ASK
If the energy input of a system is 200 calories and its useful output is 36 calories, what is the efficiency of the system? A) 0.78 B) 0.7931 C) 0.18 D) 0.69
0.18 36/200 = 0.18
21 million Joules of chemical energy are supplied to a boiler in a power plant. 5,000,000 Joules of energy are lost up the smokestack. The boiler radiates 1.5 million Joules of heat to the atmosphere. What is the efficiency of the boiler? A) 27.5% B) 6.90% C) 69.0 D) 0.690
0.690 ASK
How many hydrogen atoms are present in coal for one carbon atom? A) 0.8 B) 2 C) 4 D) 15
0.8
How often does a fuel rod need to be replaced in the nuclear power plant? A) 1 - 3 years B) 10 - 15 years C) 20 - 40 years D) 100 years
1 - 3 years
What fraction of home energy is used for lighting in the US? A) 1/3 B) 1/2 C) 1/10 D) 1/4
1/4
Approximately what percentage of US energy is hydroelectric? A) 1% B) 10% C) 48% D) 70%
10%
A woman moves a box through a distance of 10 m. What is the work done if the force applied is 10N? A) 100 J B) 50 J C) 0 J D) None of the above
100 J
How many calories is 1 food calorie equivalent to? A) 10,000 B) 1,000,000 C) 100 D) 1000
1000
If a cycloparaffin compound has six carbon atoms, how many hydrogen atoms are present in the molecule? A) 8 B) 10 C) 12 D) 14
12
Presently, the amount of ethanol produced from biomass amounts to A) 3.9 billion gallons B) 5 billion gallons C) 14 billion gallons D) 26 billion gallons
14 billion gallons
Presently, solar cells have efficiency of about A) 40% B) 80% C) 15-20% D) 5%
15-20%
What is the power output of the largest geothermal power plant located in North California? A) 270 MW B) 170 MW C) 1700 MW D) 2700 MW
1700 MW
If a paraffin compound has 8 carbon atoms, how many hydrogen atoms are present in the molecule? A) 8 B) 10 C) 16 D) 18
18
What is the practical efficiency of wind energy? A) 50% B) 60% C) 20 - 40% D) 30%
20 - 40%
What percent of the nation's electricity can wind potentially supply according to Pacific Northwest Laboratory? A) 50% B) 10% C) 20% D) 30%
20%
Approximately, what percentage of world coal reserves does United States possess? A) 25% B) 40% C) 10% D) 60%
25%
What is the approximate current U.S. geothermal power plants total generating capacity? A) 2700 MW B) 1000 MW C) 3500 MW D) 1700 MW
2700 MW
The concentration of nuclear fuel in a nuclear power plant is A) 8-10% B) 3-4% C) 15-20% D) 40-60%
3-4%
What is the approximate cost of electricity from wind energy ? A) 7-8 cents/kWh B) 3-5 cents/kWh C) 10-11 cents/kWh D) 1-2 cents/kWh
3-5 cents/kWh
An automobile engine gives 35,000 BTUs of mechanical energy from 100,000 BTUs of fuel. The transmission, axles and tires deliver 30,000 BTUs of mechanical energy to the highway, moving the car forward. What is the overall efficiency of this vehicle? A) 90% B) 27,000 C) 27% D) 30%
30% 0.001 x 30,000 = 30
What does the Betz limit state the maximum efficiency of a wind turbine is? A) 59.3% B) 65.4% C) 10% D) 25.8%
59.3%
If the world demand for energy is growing at the rate of 10% per year, when would we expect the energy demand to be twice today's? A) 20 years B) 7 years C) 6 years D) 10 years
7 years
The amount of power generated from biomass power plants in the United States is A) 700 MW B) 7000 GW C) 7000 MW D) 700 GW
7000 MW
Energy per gallon produced by biodiesel is less than petroleum based diesel by A) 2% B) 30% C) 8% D) 50%
8%
What is the approximate carbon content in petroleum crude? A) ppm B) 4% C) 9-15% D) 85-90%
85-90%
The performance of gasoline with octane number 87 is similar to the performance of a fuel containing A) 87% octane 13% heptane B) 13% octane C) 87% heptane D) 13% octane 87% heptane
87% octane 13% heptane
What is the advantage of wind energy? A) No water pollution B) Renewable C) Looks pretty D) A and B
A and B
Which of the following is an example of biomass derived from agricultural residue? A) Sawdust B) Mill Scrap C) Poplars D) Bagasse
Bagasse
Which geothermal power plant system has zero emissions? A) Air Exchange B) Dry Steam C) Flash D) Binary
Binary
What is the major difference between the Flash system and Binary system? A) Flash uses the comic hero to make power B) Flash uses a secondary fluid C) Binary brine is salt free D) Binary uses secondary fluid
Binary uses secondary fluid
Most of the coal found in United States is A) Lignite coal B) Bituminous coal C) Anthracite coal D) Sub-bituminous coal
Bituminous coal
What do industries use to generate steam and hot water? A) Boiler fuel B) Process heat C) Electricity D) All of the above
Boiler fuel
Which of the following is not true about solar trough (distributed collector)? A) Boiler is used to generate steam B) Heat exchanger is used to produce steam C) Fluid is heated to about 150 - 350 C D) Oil flowing through tube placed in the focal point of the parabolic trough is heated by sun's rays
Boiler is used to generate steam
Based on what property does the distillation column separate crude oil into different fractions? A) Boiling point B) Melting point C) Viscosity D) Porosity
Boiling point
Which among the fossil fuel reserves are abundantly available in United States? A) Coal B) Natural gas C) Petroleum D) Both coal and natural gas
Both coal and natural gas
Water with salts is also called A) R-34A B) Brine C) Isobutane D) coolant
Brine
The formula for paraffin cyclohexane is A) C6H6 B) C6H10 C) C6H12 D) C6H14
C6H14
What is the unit used to measure the amount of cooling needed in summer time? A) Degree Kelvin B) HDD C) Degree Celcius D) CDD
CDD
Which of these is the major constituent of natural gas? A) C3H8 B) C2H6 C) CH4 D) CO2
CH4
Which among the following is not a primary pollutant? A) CO B) CO2 C) SO2 D) Particulate matter
CO2
Which of the following is a greenhouse gas? A) CO B) SO2 C) NO2 D) CO2
CO2
Which one of the following is an example of clean coal technology? A) Production of coke B) Coal combustion C) Carbon dioxide sequestration D) None of the above
Carbon dioxide sequestration
Bituminous coal formed in the United States originated during A) Jurassic period B) Miocene period C) Carboniferous period D) None of the above
Carboniferous period
Which of the following temperature gradients is responsible for geothermal energy? A) Surface of the earth and the outer space B) Surface of the earth and surface of the sun C) Center of the earth to the surface of the earth D) All of the above
Center of the earth to the surface of the earth
In the process of mining coal, the useful energy output is in the form of __________ energy. A) Mechanical B) Chemical C) Thermal / heat D) Radiation
Chemical
The potential energy stored in the bonds that hold molecules together is called ________ energy. A) Nuclear B) Thermal C) Chemical D) Kinetic
Chemical
What is the energy stored in the bonds that hold molecules together called? A) Chemical B) Kinetic C) Nuclear D) Thermal
Chemical
What is the form of energy contained in a battery? A) Potential B) Kinetic C) Electrical D) Chemical
Chemical
What is the form of energy that is present in pizza that we eat? A) Electrical B) Radiation C) Chemical D) Mechanical
Chemical
Which industry uses the most energy? A) Petroleum refining B) Chemical C) Paper D) Metal
Chemical
Which of the following energy transformations is not possible? A) Chemical to Electrical B) Chemical to Nuclear C) Potential to Kinetic D) Electrical to Mechanical
Chemical to Nuclear
Where is Three Gorges dam located? A) France B) China C) Brazil D) USA
China
In the US, most of the electricity is generated from A) Hydroelectric B) Coal C) Wind D) Fuel oil
Coal
Which fossil fuel contributes the most to SO2 emissions? A) Coal B) Diesel C) Gasoline D) Natural gas
Coal
Which fossil fuel contributes the most to particulate matter emission? A) Coal B) Petroleum C) Natural gas
Coal
Which of the following primary energy resources contributes the most to the production of electricity? A) Coal B) Hydroelectric C) Nuclear D) Natural gas
Coal
Which primary energy resource contributes the most to the production of electricity in the US? A) Coal B) Nuclear C) Hydroelectric D) Natural gas
Coal
How is light produced? A) Collision of moving particle with the atom B) Destruction of the nucleus C) Rotation of electrons around the nucleus
Collision of moving particle with the atom
Which power plant uses both gas and steam turbine to produce electricity? A) Cogeneration power plant B) Combined cycle power plant C) Gas turbine power plant D) Hydroelectric power plant
Combined cycle power plant
Which component in the refrigerator raises the temperature of the refrigerant? A) Compressor B) Fan C) Expansion valve D) Heat Exchanger
Compressor
What is the mode of heat transfer through a solid medium called? A) Radiation B) Conduction C) Convection
Conduction
Which is the mode of heat transfer where liquid or gas moves, carrying heat with it? A) Conduction B) Radiation C) Convection
Convection
What is the function of a generator in a power plant? A) Convert chemical energy to mechanical energy B) Convert thermal energy to mechanical energy C) Convert mechanical energy to electrical energy D) None of the above
Convert mechanical energy to electrical energy
What is the process of breaking of heavy molecules into lighter hydrocarbons called? A) Distillation B) Cracking C) Coking D) Reforming
Cracking
Which of the following is the only direct use of electrical energy without converting it to another form? A) Defibrilator B) Laptop C) Heater D) Light bulb
Defibrillator
Which of the following properties is not measured during Proximate analysis of coal? A) Density B) Moisture C) Volatile matter D) Ash
Density
What is the separation of materials based on differences in the volatility called? A) Distillation B) Cracking C) Coking D) Reforming
Distillation
Energy that is locked in the nucleus of an atom and is released by destruction of mass can be calculated as A) E=mgh B) E=1/2mv^2 C) E=mc^2 D) None of the above
E=mc^2
Which famous scientist proposed the equation E=mc^2 A) Joule B) Newton C) Galileo D) Einstein
Einstein
In a power plant, chemical energy is converted to what useful end product? A) Mechanical energy B) Electrical energy C) Thermal energy D) None of the above
Electrical energy
What is the energy of electrons in motion called? A) Kinetic B) Electricity C) Nuclear D) Chemical
Electricity
Which is the most common energy source used in commercial buildings? A) Fuel Oil B) Electricity C) Natural gas D) Geothermal
Electricity
Particulate emissions from power plants can be controlled by using A) Electrostatic precipitator B) Catalytic converter C) Burners D) None of the above
Electrostatic precipitator
What is the capacity to do work known as? A) Enthalpy B) Energy C) Entropy D) Efficiency
Energy
Which component of a refrigerator lowers the temperature of the refrigerant? A) Fan B) Expansion valve C) Compressor D) Heat Exchanger
Expansion valve
Energy demand is a/an A) Logarithmic function - the longer it goes, the less rapidly it grows B) Exponential function - the longer it goes, the more rapidly it grows C) Sine function - it goes up and down predictably, in cycles D) Linear function - it goes up steadily over time
Exponential function - the longer it goes, the more rapidly it grows
100% of the energy in the wind can be extracted by a wind mill. A) True B) False
False
A geothermal power plant has a low initial cost. A) True B) False
False
A pressurized water reactor (PWR) uses water under high pressure as the coolant to remove heat generated by a nuclear chain reaction. A) True B) False
False
A standard steam power plant is more efficient than Cogeneration. A) True B) False
False
A step-up transformer is used to decrease the voltage, so that electricity can be transmitted over long distances. A) True B) False
False
Africa has the world's largest reserves of natural gas. A) True B) False
False
All of the oil in a reservoir can be recovered. A) True B) False
False
Amount of NOx emission from Biodiesel is negligible A) True B) False
False
An anemometer is used to predict weather. A) True B) False
False
Anthracite has higher volatile matter content than Bituminous coal. A) True B) False
False
Beta decay increases the mass number by 1. A) True B) False
False
Biomass has gross calorific value higher than coal. A) True B) False
False
CO emissions are due to complete combustion of carbon in fossil fuels. A) True B) False
False
Central distribution is more efficient than distributed generation for transmitting electricity. A) True B) False
False
Chemical energy is a special kind of kinetic energy. A) True B) False
False
Coal can be used directly to produce "pig iron" by mixing it with iron ore in a blast furnace. A) True B) False
False
Coke is produced by combustion of coal in a furnace. A) True B) False
False
Control rods control the nuclear reaction in a reactor by absorbing protons. A) True B) False
False
Electric power is measured in terms of voltage. A) True B) False
False
Elements with the same number of neutrons but a different number of protons are called isotopes. A) True B) False
False
Energy can be created or destroyed. A) True B) False
False
Ethanol has a higher heating value than gasoline. A) True B) False
False
Geothermal energy generates a lot of nitrogen and sulfur. A) True B) False
False
Geothermal energy generates a lot of particulate matter A) True B) False
False
Geothermal power is a main component of the Unites States energy grid. A) True B) False
False
H2S is desirable in natural gas. A) True B) False
False
House facing south is a good passive solar design in southern hemisphere A) True B) False
False
Hydroelectic energy pollutes the atmosphere. A) True B) False
False
In all nuclear reactions, the sum of the mass numbers on the left hand side of the equation equals the sum of the atomic numbers on the right hand side of the equation. A) True B) False
False
In the US, coal is primarily used for carbonization. A) True B) False
False
In the US, we have adequate amount of land to cultivate biomass to meet all our energy demands. A) True B) False
False
Kerogen derived from higher plants gets converted to crude oil and natural gas when buried inside the earth for millions of years. A) True B) False
False
Kerogen produced from higher plants gets converted into natural gas. A) True B) False
False
Kerogens are formed by the transformation of inorganic matter into an insoluble, polymeric material A) True B) False
False
Knocking is a desirable feature in a four stroke engine. A) True B) False
False
Lifetime predictions for a fossil fuel are done based on available resources. A) True B) False
False
Lignite has higher heating value than Bituminous coal. A) True B) False
False
Lignite is the highest ranked coal. A) True B) False
False
Low and medium rank coals are ranked on the basis of volatile matter content. A) True B) False
False
Low temperature geothermal resources can be used for power generation. A) True B) False
False
Maintenance costs are a large factor of why geothermal is not widely used. A) True B) False
False
Mass number is the number of protons and electrons in an atom. A) True B) False
False
Most of the electricity in the US is generated using nuclear energy. A) True B) False
False
Most of the energy released due to nuclear fission reaction is in the form of potential energy. A) True B) False
False
Most of the natural gas reserves in the world are located in United States. A) True B) False
False
Most wind energy is produced in the southeast region of the US. A) True B) False
False
N-type semiconductors have positively charged holes as majority carriers A) True B) False
False
Natural gas has high CO2 emissions compared to coal. A) True B) False
False
Natural gas has low combustion efficiency. A) True B) False
False
Natural gas has the lowest calorific value among all the fossil fuels. A) True B) False
False
Northwestern US is the region most affected region by acid rain. A) True B) False
False
P-type semiconductor have negatively charged electrons as majority carriers A) True B) False
False
Particulates in an electrostatic precipitator get an electric charge and move towards the discharging electrode. A) True B) False
False
Presently, solar energy contributes a large share of our energy supply. A) True B) False
False
Producing energy from wind will become more expensive in the future. A) True B) False
False
Production of bioethanol from corn is more efficient than from sugarcane. A) True B) False
False
Proximate analysis exactly measures the elemental composition of coal. A) True B) False
False
Reservoir rock is a rock that produces crude oil. A) True B) False
False
Resources are the quantity of an energy source that is economically recoverable. A) True B) False
False
Steam is a good moderator. A) True B) False
False
The US is the largest producer of hydroelectric energy A) True B) False
False
The United States is the largest exporter of coal. A) True B) False
False
The United States produces most of its bioethanol from sugarcane. A) True B) False
False
The amount of municipal waste generated per day is decreasing every day. A) True B) False
False
The amount of nitrogen in petroleum is more than in coal. A) True B) False
False
The dehydrator removes H2S. A) True B) False
False
The energy required to raise the temperature of 1g of water by 1 degree F is a calorie. A) True B) False
False
The nucleus is made up of protons and electrons. A) True B) False
False
The temperature of the interior of the Earth is lower than at the surface. A) True B) False
False
Tidal power can be easily harnessed anywhere there is a tide. A) True B) False
False
Tides are caused by gravitational force between Sun and Earth A) True B) False
False
Transcontinental transportation is done through pipelines. A) True B) False
False
U-238 and Th-232 are fissionable material. A) True B) False
False
United States has large crude oil reserves. A) True B) False
False
United States is the largest producer of energy from biomass consumption A) True B) False
False
Ventilation utilizes radiative heat transfer to promote passive cooling A) True B) False
False
Volatile matter is the property that is indirectly measured by calculating the difference between the initial mass of coal and the mass of moisture content, ash content and fixed carbon content in the coal.
False
Wind generated electricity costs less than electricity generated from coal plants. A) True B) False
False
With ground-source heat pumps, the earth serves as a heat source in the summer. A) True B) False
False
Which combustion process has issues with polyaromatic hydrocarbon formation? A) Stoker combustion B) Pulverized coal combustion C) Fluidized bed combustion
Fluidized bed combustion
Which combustion process reduces the NOx and SOx emissions from coal? A) Stoker combustion B) Pulverized coal combustion C) Fluidized bed combustion
Fluidized bed combustion
Which of the following processes is the most efficient way to burn coal? A) Fixed bed combustion B) Pulverized coal combustion C) Fluidized bed combustion
Fluidized bed combustion
Which one of the following combustion process uses limestone? A) Stoker combustion B) Pulverized coal combustion C) Fluidized bed combustion
Fluidized bed combustion
Which one of the combustion processes uses the lowest furnace temperature (900 - 1000 C) to burn coal? A) Stoker combustion B) Pulverized coal combustion C) Fluidized coal combustion
Fluidized coal combustion
Which light bulb uses mercury vapor? A) Bathroom Night Light B) Incandescent C) Halogen D) Fluorescent
Fluorescent
Which of the following is used to determine the work done? A) Energy B) Force x displacement C) Force D) Displacement
Force x displacement
In what direction does thermal energy flow? A) From low temperature to high temperature B) From high temperature to low temperature C) in both directions D) independent of the temperature difference
From high temperature to low temperature
SO2 emissions are primarily due to A) Transportation sector B) Fuel combustion C) Chemical Industries D) None of the above
Fuel combustion
Which one of the following fuels finds maximum usage in transportation in the US? A) Jet Fuel B) Kerosene C) Diesel D) Gasoline
Gasoline
Which of these have a rotor and stator ? A) Condenser B) Boiler C) Turbine D) Generator E) Furnace
Generator
What type of heating uses the heat contained within the Earth? A) Tidal B) Hydro C) Geothermal D) Refrigeration
Geothermal
Which of the following processes does NOT happen in the global carbon cycle? A) Carbon dioxide in atmosphere slowly dissolves in ocean B) Carbon dioxide in atmosphere is incorporated in the earth as carbonate rocks C) Carbon dioxide is absorbed by plants through a process called photosynthesis D) Glucose is formed during the decay process
Glucose is formed during the decay process
Sour natural gas contains A) Ammonia B) H2S C) CO2
H2S
Which of the following is an indicator of heating requirements? A) CDD B) Degrees Celcius C) Degree Kelvin D) HDD
HDD
Which of these produce the maximum heat? A) Incandescent bulbs B) CFL C) Fluorescent bulbs D) Halogen bulbs
Halogen bulbs
What type of bulbs are mainly used for security lighting, car headlights and sports events ? A) LEDs B) Fluorescent light bulbs C) Halogen light bulbs D) Incandescent light bulbs
Halogen light bulbs
How is crude oil separated during the distillation process? A) Water B) Air C) Heat
Heat
What form of energy output accounts for the inefficiency of incandescent lights? A) Nuclear B) Heat C) Chemical D) Light
Heat
Which of the following is not used for passive heating and cooling of homes? A) Radiation B) Heat Exchanger C) Conduction D) Convection
Heat Exchanger
Refrigerators also known as? A) Heat movers B) Heat diverters C) Heat packers D) Heat isolators
Heat movers
Which of the following properties is a disadvantage of use of ethanol over gasoline for transportation fuel? A) Heating value B) Biodegradable C) Vapor pressure D) Octane number
Heating value
Which of the following compound has an octane rating of 0? A) Octane B) Heptane C) Gasoline D) Diesel
Heptane
What property of a small meteor falling from the sky causes a lot of damage when it hits the earth? A) High Kinetic energy B) High heat energy C) High Potential energy D) Explosive Chemical energy
High Kinetic energy
With increase in the rank of coals, which one of the following element's composition decreases? A) Carbon B) Nitrogen C) Hydrogen D) Sulfur
Hydrogen
Which type of hydroelectric facility is a conventional dam? A) Pumped Storage B) Impoundment C) Run of River D) Microhydropower
Impoundment
Most of the bioethanol produced in United States comes from A) Pennsylvania B) Florida C) California D) Iowa
Iowa
Which of the following is not true about the Trombe wall? A) It is a transparent glass pane B) It is south facing C) It is made of heat absorbing material D) It is painted black
It is a transparent glass pane
Which of the following is not true about a solar cell A) It is non-polluting B) It is cheap C) It uses semiconductors D) Solar energy is directly converted to electricity
It is cheap
Which of the following is not an advantage of a solar power plant? A) less air pollution B) Can meet requirements for peak load power C) lower water consumption D) It is highly efficient
It is highly efficient
Which of the following is a unit of energy? A) Joules B) Watt C) Foot D) All of the above
Joules
The unit of electrical energy is A) Joules B) Electron-volt C) Newton D) Kilowatt-hour
Kilowatt-hour
Energy possessed by a body due to its motion is called A) Thermal B) Chemical C) Kinetic D) Potential
Kinetic
Which form of energy is the wind? A) Kinetic B) Potential C) Heat D) Chemical
Kinetic
Which among the following is a major disadvantage of nuclear power? A) High carbon dioxide emissions B) SOx and NOx emissions C) Lack of permanent solution to nuclear waste disposal D) None of the above
Lack of permanent solution to nuclear waste disposal
Which country produces most of its electricity from nuclear energy? A) Lithuania/France B) United States C) United Kingdom D) China
Lithuania/France
Which coal mining equipment uses movable steel props to support the roof of coal mines? A) Conventional mining B) Longwall mining C) Continuous mining D) Room and pillar mining
Longwall mining
Which of the following is not true about biodiesel? A) Non toxic B) Less inflammable than petroleum diesel C) Low carbon dioxide emission D) Low NOx emissions
Low NOx emissions
How do you define density? A) Measure of resistance to flow by a liquid B) Mass per unit volume C) Measure of ability to flow by a fluid D) Volume per unit mass
Mass per unit volume
In a car, the useful energy output is in the form of __________ energy. A) Mechanical B) Thermal / heat C) Radiation D) Chemical
Mechanical
What is the form of energy in a flying airplane? A) Electrical B) Chemical C) Mechanical D) Radiant
Mechanical
Which of the following is not a unit of energy? A) Meters B) BTU C) Calories D) Joules
Meters
Methane hydrates are crystallized mounds of A) Methane and salt B) Methane and sand C) Methane and water D) Methane and CO2
Methane and water
Coal reserves are measured in A) Cubic feet B) Gallons C) Metric tons D) Barrels
Metric tons
Which of the following cannot be converted into alcohol or biogas by biological conversion. A) Wood B) Microalgae C) Energy crops D) Municipal waste
Microalgae
Which of the following slows down the motion of neutrons in a nuclear reactor? A) Fuel Rod B) Control Rod C) Moderator D) Radiation Shield
Moderator
Which of the following is true? A) Converting heat to work is an efficient process. B) Most of the energy demand in the US is met by renewable energy sources. C) Much of the electricity in the US is generated by burning natural gas. D) Energy is created when a fuel is burned.
Much of the electricity in the US is generated by burning natural gas.
Ground level ozone is formed because of the reaction of hydrocarbon in the presence of sunlight with A) NOx B) CO C) CO2 D) SO2
NOx
Which pollutant is responsible for the formation of Photochemical smog? A) CO B) SO2 C) NOx D) All of the above
NOx
Which energy source is used most for US home heating? A) Coal B) Electricity C) Natural Gas D) Oil
Natural Gas
Cubic feet is used to measure the quantities of A) Coal B) Petroleum C) Natural gas
Natural gas
In a gas turbine power plant, which fuel is burned to run the turbine? A) Coal B) Natural gas C) Water D) Petroleum
Natural gas
Which fossil fuel leaves no ash behind after combustion? A) Coal B) Oil C) Natural gas
Natural gas
Which one of the following has the highest heating value per pound? A) Coal B) Oil C) Natural gas
Natural gas
Which primary energy source contributes the most to home heating requirements? A) Electricity B) Natural gas C) Fuel oil D) Propane
Natural gas
Which of the following is not an advantage of biomass energy? A) Does not contribute to global warming B) Very low SOx emissions C) No NOx emissions D) Renewable source
No NOx emissions
Which of the following is NOT a basic need of a human being? A) Air B) Food C) Water D) Shelter E) None of the above
None of the above
Worldwide, we expect the use of which energy resource to decrease over the next 20 years? A) Nuclear B) Coal C) Hydroelectric D) None of the above
None of the above
Which of these states has the highest wind energy potential? A) Texas B) Pennsylvania C) California D) Arizona E) North Dakota
North Dakota
Where do you think would the heating degree days would be the highest? A) North Pole B) Houston C) State College D) Equator
North Pole
Which of the following is the process of breaking a large nuclei into two intermediate size nuclei? A) Chemical reaction B) Nuclear fusion C) Nuclear fission D) All of the above
Nuclear fission
Which of the following sources of energy is non-renewable? A) Nuclear fission B) Solar C) Nuclear fusion D) Wind
Nuclear fission
Which of the following industries has contributed the least amount of human fatalities in United States? A) Oil/Gas Industry B) Nuclear power plants C) Automobile industry D) Civil aviation
Nuclear power plants
Which among the following reservoirs produce the best crude oil? A) Young shallow B) Young deep C) Old shallow D) Old deep
Old deep
Which of the following contributes the most towards Municipal solid waste? A) Food and yard waste B) Paper and paper board C) Plastics D) Glass
Paper and paper board
Which hydrocarbons have straight or branched chains of carbon atoms? A) Paraffins B) Cycloparaffins C) Aromatics D) None of the above
Paraffins
A naturally occuring liquid fossil fuel resource containing a complex mixture of hydrocarbons is called A) Coal B) Natural gas C) Tar Sand D) Petroleum
Petroleum
Which fossil fuel contributes primarily to CO emission? A) Coal B) Petroleum C) Natural gas
Petroleum
Which among the following does not use a generator to produce electricity? A) Steam power plant B) Photovoltaic cells C) Hydroelectric power plant D) Nuclear power plant
Photovoltaic cells
Which of the following properties are not used in ranking of coal? A) Porosity B) Calorific value C) Volatile matter content D) None of the above
Porosity
What is the type of energy contained in the water stored behind a dam? A) Kinetic B) Electrical C) Potential D) Chemical
Potential
What is the type of energy that a body possesses by virtue of its physical position? A) Kinetic B) Potential C) Thermal D) Radiation
Potential
A watt is a unit of? A) Lighting B) Power C) Mass D) Energy
Power
What happens during compression in a refrigerator? A) Pressure decreases and Temperature increases B) Pressure increases and Temperature decreases C) Pressure decreases and Temperature decreases D) Pressure increases and Temperature increases
Pressure increases and Temperature increases
Which of the following recovery methods takes advantage of significant oil pressure in the reservoir? A) Primary B) Secondary C) Tertiary
Primary
Which of the following is a fissionable isotope made in a breeder reactor? A) U-238 B) Th-232 C) Pu-239 D) none of the above
Pu-239
How can passive energy be utilized? A) Put more windows on the sunny side of the house (south). B) Plant deciduous trees on the north side of the house. C) Put larger windows on the north side. D) Both B & C
Put more windows on the sunny side of the house (south).
Wavelength is used to classify what type of energy? A) Mechanical B) Chemical C) Nuclear D) Radiant
Radiant
In a light bulb, the useful energy output is in the form of __________ energy. A) Chemical B) Thermal / heat C) Radiation D) Mechanical
Radiation
Which of these do not require a medium in transferring heat? A) Radiation B) Convection C) Conduction
Radiation
Thorium has a mass number of 232 and atomic number of 90. If it undergoes alpha particle emission, the resulting nuclei will be A) Radium with mass number-229 and atomic number-91 B) Radium with mass number-228 and atomic number-88 C) Radium with mass number-232 and atomic number-90 D) Radium with mass number-232 and atomic number-91
Radium with mass number-228 and atomic number-88
Which contributes the most towards human radiation exposure? A) Radon B) Cosmic radiation C) Nuclear medicine D) Rocks and soils
Radon
Which place converts crude oil into useful products such as gasoline, fuel oil, waxes or asphalt? A) Refinery B) Drilling Rig C) Reservoir D) Mine
Refinery
Which of the following processes change the shape of a molecule? A) Reforming B) Cracking C) Distillation D) Coking
Reforming
What is the liquid that evaporates inside the refrigerator to "create" the cold temperature? A) Brine B) Water C) Coolant D) Refrigerant
Refrigerant
Which one of the following regions will have a high CDD or cooling degree days? A) Regions with high annual average temperatures. B) Regions with low annual average temperatures. C) Regions with moderate annual average temperatures. D) None of the above
Regions with high annual average temperatures.
The quantity of an energy source that is known to exist and that can be economically recovered is called? A) Supply B) Asset C) Resource D) Reserve
Reserve
The quantity of an energy source that is known to exist and that can be recovered economically is called A) Resource B) Reserve C) Supply D) Asset
Reserve
What does R-Value indicate? A) Resistance to wind B) Resistance to heat transfer C) Thickness D) Resistance to cooling
Resistance to heat transfer
Which of the following is not an energy crop? A) Poplars B) Willows C) Switchgrass D) Rice Straw
Rice Straw
Which of the following is not an advantage of using Natural Gas for space heating? A) Produces no ash and so is clean. B) Can be transported easily through pipelines C) Safe to use D) Both B & C
Safe to use
What is the hydrologic cycle driven by? A) Geothermal energy B) Solar energy C) mechanical energy D) hydro energy
Solar energy
Which of the following consumes most of energy in the commercial sector? A) Space Heating B) Lighting C) Water Heating D) Other
Space Heating
Which of the following is the largest energy consumer at home? A) Water heating B) Space Heating C) Television D) Lighting
Space Heating
Which is the largest portion of energy consumed by homes? A) Space heating B) Water heating C) Air conditioning D) Lighting & appliances
Space heating
What are the disadvantages of wind? A) Storage of energy B) nonrenewable C) high pollution D) all of the above
Storage of energy
The desired hydrocarbons in a diesel fuel are A) Straight chain hydrocarbons B) Branched hydrocarbons C) Aromatic hydrocarbons
Straight chain hydrocarbons
In northern hemisphere, house facing south get more solar radiation in winter because A) Sun rises in northeast and sets in northwest B) Sun rises in southeast and sets in northwest C) Sun rises in northeast and sets in southwest D) Sun rises in southeast and sets in southwest
Sun rises in southeast and sets in southwest
Which of the following is a product of thermal conversion of biomass? A) Biodiesel B) Ethanol C) Syngas D) None of the above
Syngas
What recovery method uses steam, chemicals or bugs? A) Primary B) Secondary C) Tertiary D) No relationship
Tertiary
Which of the following recovery methods for oil is the most expensive? A) Primary B) Secondary C) Tertiary
Tertiary
What is the Betz limit? A) The limit of how fast a turbine can spin B) The limit on the number of turbines the world can use C) The limit of how big a wind turbine can be D) The limit of the efficiency of the turbine
The limit of the efficiency of the turbine
A step down transformer is used to decrease high voltage from transmission lines to low voltage (110V) so it can be distributed to homes and businesses. A) True B) False
True
A wind vane is used to move the wind mill in the direction of the wind. A) True B) False
True
Active and Passive solar heating can be used to provide heat for our homes A) True B) False
True
Active solar heating involves the use of auxiliary power device to take advantage of sun's heat. A) True B) False
True
Addition of ethanol to gasoline reduces the amount of emissions from the fuel. A) True B) False
True
Air or water is pumped to collect and deliver the sun's heat inside the house during the process of active solar heating A) True B) False
True
Amount of CO and particulate matter emissions from biodiesel is less compared to petroleum diesel. A) True B) False
True
An ideal biomass cycle does not produce any net carbon emissions. A) True B) False
True
Atmospheric air at high temperatures can be a source for NOx emissions. A) True B) False
True
Atomic number is the number of protons in an atom. A) True B) False
True
Bagasse is an agricultural waste product obtained from sugarcane. A) True B) False
True
Beta decay results in increase of the atomic number by 1. A) True B) False
True
Beta decay results in the conversion of a neutron to proton in the nucleus. A) True B) False
True
Binary Geothermal Power Plants and Flash Steam Power Plants differ in the amounts of emissions they produce. A) True B) False
True
CO emission from automobiles is a function of speed. A) True B) False
True
CO emissions from automobiles are reduced with the help of catalytic converters. A) True B) False
True
Carbonization is the process of heating coal in the absence of air to produce coke. A) True B) False
True
Central distribution uses coal, nuclear, hydropower or gas powered plants to generate and transmit electricity over long distances. A) True B) False
True
Coal bed methane occurs in coal mines. A) True B) False
True
Concentrating sun's heat using tracking mirrors can produce much higher temperature than parabolic trough A) True B) False
True
Corn can be used to produce ethanol. A) True B) False
True
Distributed generation reduces the amount of energy lost in transmitting electricity, as electricity is produced very near to the place where it is used. A) True B) False
True
Economic feasibility and geological assurances are two important variables that differentiate resources and reserves. A) True B) False
True
Electric current is a measure of flow of electric charge. A) True B) False
True
Electrical energy is measured in terms of KWh A) True B) False
True
Electricity can be generated from fossil fuels. A) True B) False
True
Electricity can be generated using a magnetic field. A) True B) False
True
Electricity produced from a solar power plant can be used to meet peak load power requirements A) True B) False
True
Elements with shorter half-live times are more dangerous because they emit a lot of radiation in a very short period of time. A) True B) False
True
Energy can be converted from one form to another. A) True B) False
True
Energy crops are cultivated primarily for biomass production. A) True B) False
True
Energy is a property of matter that can be converted into work, heat or radiation. A) True B) False
True
Ethanol has a higher octane number than gasoline. A) True B) False
True
Flash point is the temperature at which the oil starts to ignite. A) True B) False
True
Fossil fuels are formed due to the interruption of the decay process in the carbon cycle. A) True B) False
True
Gamma ray emissions results in no change in mass number and atomic number. A) True B) False
True
Gamma rays can be emitted during radioactive decay. A) True B) False
True
Geothermal electricity generation has less than 5% of the CO2 emissions as coal fired generation. A) True B) False
True
Geothermal energy is energy contained below the Earth's surface. A) True B) False
True
Geothermal energy saves more on fuel costs compared to traditional energy. A) True B) False
True
Geothermal generates less carbon monoxide than coal power plants. A) True B) False
True
Geothermal heat pumps are more efficient than boilers to heat our homes. A) True B) False
True
Greenhouse gases absorb the infrared radiation from earth and re-emits in all direction to cause warming of the lower atmosphere. A) True B) False
True
Half-life is the time required for a radioactive material to decay to half its original quantity. A) True B) False
True
Heating value of coal increases with increase in the rank of coal A) True B) False
True
High heating value or gross calorific value is the amount of energy released by complete combustion of 1 lb of fuel. A) True B) False
True
High voltage transmission lines are used to carry electricity over long distances. A) True B) False
True
Hydroelectric schemes are an obstacle to fish migration A) True B) False
True
Hydrogen content in petroleum is far greater than in coal. A) True B) False
True
In a fluidized bed combustion, fine coal particles are "fluidized" and burnt using a jet of hot air. A) True B) False
True
In a nuclear power plant, nuclear reactions are used for converting water into steam. A) True B) False
True
In a pressurized water reactor, the water used in the steam generator never comes in contact with the nuclear reactor. A) True B) False
True
In a waste to energy plant, significant amounts of ash are produced. A) True B) False
True
In deep mining, coal seams are buried several hundred feet to 1000 ft. deep under the ground. A) True B) False
True
Inhalation of particulate matter pollutants results in respiratory diseases. A) True B) False
True
Kerogens are produced from algae, planktons and higher plants with the help of decomposition by bacteria. A) True B) False
True
Large sized coal pieces can be used during the Stoker combustion process. A) True B) False
True
Larger molecules tend to have a higher boiling point. A) True B) False
True
Lignite coal originated during Jurassic period A) True B) False
True
Lignite is the youngest ranked coal. A) True B) False
True
Most of the nuclear power reactors are in the eastern United States A) True B) False
True
NOx emission is responsible for acid rain. A) True B) False
True
NOx emission is the most difficult primary pollutant to control. A) True B) False
True
Natural background radiation contributes nearly 85% of our total annual exposure. A) True B) False
True
Natural gas is mainly transported in pipelines under high pressure. A) True B) False
True
Nuclear fusion requires an enormous amount of energy input to bring two positively charged nuclei together. A) True B) False
True
One barrel of oil (42 gallons) produces more than a barrel of products. A) True B) False
True
Particles about the size of wavelength of visible light (0.1 - 1 micron) are responsible for reduced visibility due to significant scattering of light. A) True B) False
True
Particles smaller than 2.5 micrometers are more dangerous for human health as they penetrate deeper into the lungs. A) True B) False
True
Particulate emission can be reduced by using electrostatic precipitators. A) True B) False
True
Passive home heating needs no external fuel or electricity. A) True B) False
True
Passive solar design takes advantage of bricks, stones and dark tiles inside the house to absorb and trap heat A) True B) False
True
Petroleum contains lesser amount of oxygen atoms than coal does. A) True B) False
True
Pour point is the temperature at which the oil starts to flow. A) True B) False
True
Pumped Storage is non-renewable. A) True B) False
True
Pyrolysis is the process of heating biomass in the absence of air. A) True B) False
True
Radioactivity is the process of emission of radiation from unstable nuclei to gain stability A) True B) False
True
Recreation is the main purpose of US dams A) True B) False
True
SO2 contributes significantly to particulate emissions. A) True B) False
True
SO2 contributes significantly to the formation of acid rain. A) True B) False
True
Scattering of light by particles leads to decrease in visibility. A) True B) False
True
Smaller molecules tend to have lower viscosity A) True B) False
True
Solar cell consists of a junction of p-type and n-type semiconductor A) True B) False
True
Solar cells directly converts solar energy into electricity A) True B) False
True
Solar energy can be used to provide space heating and electricity A) True B) False
True
Solar power plant collects and concentrates energy from the sun to generate steam A) True B) False
True
Stoker combustion limits the rate of heating of particle to 1 C/sec. A) True B) False
True
Surface mining requires the removal of top soil and layers of rock to expose beds of coal. A) True B) False
True
Syngas can be produced from biomass by reaction with steam. A) True B) False
True
The Three Mile Island reactor was a pressurized water reactor. A) True B) False
True
The United states consumes double the amount of oil that it produces. A) True B) False
True
The amount of ash content is an important parameter in determining the quality of biomass fuel A) True B) False
True
The binding energy of an atom is the amount of energy required to break up its nucleus into individual components. A) True B) False
True
The higher the wind velocity, the higher will be the power output. A) True B) False
True
The production of ethanol and biodiesel in United States is increasing. A) True B) False
True
The starting point of the formation of fossil fuels is the transformation of decaying organic matter to kerogen. A) True B) False
True
The sun's peak position (zenith) is lower during winter and much higher during summer A) True B) False
True
The sweetening process removes H2S. A) True B) False
True
The transportation sector is the main source for CO emission. A) True B) False
True
Thermal NOx is mainly formed due to the combustion of atmospheric nitrogen at temperatures greater than 1000 C. A) True B) False
True
Transesterification is the process used to convert vegetable oil to biodiesel. A) True B) False
True
U-238 and Th-232 are considered "fertile" because they can be used to produce fissionable isotopes. A) True B) False
True
Viscosity, density and odor are properties that are all related to the geological history of crude oil. A) True B) False
True
Waste to energy plants require removal of all toxic vapors using flue gas scrubbing to prevent air pollution. A) True B) False
True
Wet natural gas contains other hydrocarbons. A) True B) False
True
When sunlight strikes a solar cell, light of certain wavelength will knock out electrons from semiconductor, thereby producing electric current A) True B) False
True
Wind is caused by the uneven heating of the earth's atmosphere. A) True B) False
True
Wind turbine converts the kinetic energy of air into mechanical energy through the rotation of blades. A) True B) False
True
Work can be converted to heat or thermal energy. A) True B) False
True
Which of the following is not radioactive? A) U-238 B) U-235 C) Pu-239 D) U-232
U-238
Which country produced the most wind energy in the world in 2008? A) US B) Canada C) Germany D) China E) Italy
USA
Which of the following is not a passive solar design for residential heating A) House facing south B) Planting deciduous trees on south side C) Use of fans or pumps to deliver heat D) Roof overhangs
Use of fans or pumps to deliver heat
Which among the following is a secondary pollutant? A) CO B) Acid rain C) SO2 D) CO2
Acid rain
What is the best way to cut home heating or cooling bills? A) Close Windows B) Put up Curtains C) Add Insulation D) Move to a Warmer Climate
Add Insulation
Biomass can be used to meet which energy demands? A) Electricity B) Heat C) Transportation fuels D) All of the above
All of the above
How can energy usage due to water heating be minimized? A) By turning the water heater thermostat temperature down B) By taking a shower instead of a dip in bath tub C) By not using running water while brushing your teeth D) All of the above
All of the above
How do you increase the octane rating of a fuel? A) Add branched chain hydrocarbons B) Add aromatics C) Add antiknocking agents D) All of the above
All of the above
How does CO affect human health? A) By impairing visibility B) Affecting Central Nervous system C) Heart attack D) All of the above
All of the above
Kerogen formed from algae or plankton is derived from A) Fats B) Oils C) Waxes D) All of the above
All of the above
Oil Reservoirs are usually found in places that have A) Anticlines B) Faults C) Salt Plugs D) All of the above
All of the above
Sources for particulate matter are A) Construction sites B) Smoke stacks C) Reaction of SO2 and NOx emitted from power plants and automobiles in atmosphere D) All of the above
All of the above
Sulfur emissions can be controlled by A) Washing the coal thoroughly before it is burned B) Remove during combustion using fluidized bed combustion process C) remove after combustion using scrubbers D) All of the above
All of the above
Volatile organic compounds contribute to A) Formation of photochemical smog B) Formation of greenhouse gases C) It is carcinogenic D) All of the above
All of the above
What are the major refining processes? A) Distillation B) Cracking C) Reforming D) All of the above
All of the above
What happened in the Three Mile Island incident? A) A valve was closed preventing water from reaching the steam generator B) Partial meltdown occurred C) Low pressure and high temperature in the reactor boiled the water D) All of the above
All of the above
What is necessary for the fossil fuel formation? A) Temperature B) Pressure C) Time D) All of the above
All of the above
What is the main function of a refinery? A) Separate different components of crude oil B) Make new materials and fuels by chemical processing C) Make products environmentally acceptable D) All of the above
All of the above
What is true about the Chernobyl incident? A) A complete meltdown occurred B) Graphite rods caught fire C) 31 people were killed D) All of the above
All of the above
When is natural gas called 'dry'? A) after removal of liquid HCs B) after removal of water C) after Sweetening D) All of the above
All of the above
Which among the following variables is/are used for biomass classification? A) Moisture content B) Silica content C) Calorific value D) All of the above
All of the above
Which is/are major challenges that needs to be overcome to start a nuclear fusion reaction? A) Heating the mixture to a very high temperature B) Compressing the mixture to a very high density C) Keeping the reaction mixtures together for a considerable amount of time D) All of the above
All of the above
Which of the following act as source for CO emissions? A) Cold start in automobile engines B) Household heating C) Cigarette smoking D) All of the above
All of the above
Which of the following are components of a nuclear reactor? A) Fuel Rods B) Control Rods C) Moderator D) All of the above
All of the above
Which of the following are examples of baghouse filters? A) Reverse-gas B) Pulse-jet C) Shake-deflate D) All of the above
All of the above
Which of the following contributes to the formation of kerogen? A) Algae B) Micro-organisms C) Trees D) All of the above
All of the above
Which of the following is an energy recovery methodology adopted to process municipal solid waste? A) Landfill gas recovery B) Combustion and cogeneration C) Pyrolysis D) All of the above
All of the above
Which of the following is not a biomass? A) Bagasse B) Corn Fiber C) Timber slash D) Municipal waste E) All of the above
All of the above
Which of the following is used as moderator in a nuclear power plant? A) Water B) Deuterated water C) Graphite D) All of the above
All of the above
Which of the following is/are disadvantages of generating power from solar energy A) Capital cost is high B) Large area of land is required C) Energy storage device is required D) All of the above
All of the above
Which of the following radiant energy can be seen by the human eye? A) Infrared B) Visible C) Ultraviolet D) All of the above
Visible
Electric power is measured as A) Velocity multiplied by time B) Velocity multiplied by current C) Voltage multiplied by current D) None of the above
Voltage multiplied by current
What is used as a moderator in US Nuclear reactors? A) Water B) Deuterated water C) Steam D) Graphite
Water
Which of the following media is used in secondary recovery method? A) Water B) Air C) Steam D) Oil
Water
Which of the following is a unit of power? A) Kilograms B) Grams C) Newton D) Watt
Watt
Which of the following is not a unit of energy? A) Calories B) Watts C) BTUs D) Joules
Watts
Which of the following is the biggest factor in home heating and cooling? A) Size of House B) Weather C) Elevation D) Location
Weather
In the US, we rely less on energy from ____________ than in earlier decades? A) Natural gas B) Wood C) Nuclear D) Petroleum
Wood
Switch grass is a good source of biomass because A) it grows quickly B) it has low moisture content C) does not require fertilizers or pesticides D) all of the above
all of the above
Which of the following are advantages of wind? A) domestic energy B) no air emissions C) no fuel D) all of the above
all of the above
Which of the following is a disadvantage of hydropower? A) catastrophic failure B) disruption of natural flow C) alter habitat D) all of the above
all of the above
Which of the following is true about solar energy conversion? A) converts solar energy to useful heat B) can be used to produce electricity C) It is non-polluting D) all of the above
all of the above
Which of the following is a major disadvantage of using solar energy A) all of the above B) backup heating is necessary C) consumes lot of water D) causes air pollution
backup heating is necessary
Which one of the following lighting devices consumes the lowest amount of energy? A) incandescent bulb B) compact fluorescent bulb C) halogen bulb
compact fluorescent bulb
Which is a major problem with nuclear power plants? A) causes lot of pollution B) disposal of radioactive waste C) It gets very hot. D) can lead to a uncontrolled nuclear reaction and cause explosion
disposal of radioactive waste
A nuclear reactor is said to be operating in "critical" condition, if A) fission occurs at a constant rate B) fission occurs at a decreasing rate C) fission occurs at increasing rate D) it is ready to explode
fission occurs at a constant rate
A Nuclear reactor is said to be operating in "subcritical" condition, if A) fission occurs at a constant rate B) fission occurs at a decreasing rate C) fission occurs at increasing rate D) none of the above
fission occurs at a decreasing rate
A Nuclear reactor is said to be operating in "supercritical" condition, if A) fission occurs at a constant rate B) fission occurs at a decreasing rate C) fission occurs at increasing rate D) all of the above
fission occurs at increasing rate
What does a heat pump use the ground as in the winter? A) water site B) heat source C) heat sink D) thermostat
heat source
Which of the following is the reason the fluid "flashes"? A) high pressure to low pressure B) low pressure to high pressure C) high temperature to low temperature D) low temperature to high temperature
high pressure to low pressure
What happens to its temperature when a gas is compressed? A) remains the same B) decreases C) can either increase or decrease D) increases
increases
What happens to the r-value of the insulation if the thickness increases? A) remains same B) decreases C) R-value is independent of thickness of insulation D) increases
increases
75% of the coal powders used in pulverized coal combustion process are A) less than 200 microns in size B) less than 75 microns in size C) less than 500 microns in size D) less than 1 mm in size
less than 75 microns in size
What does a higher octane number signify? A) lesser likelihood of knocking B) higher likelihood of knocking C) location of place where the fuel comes from D) Age of the fuel
lesser likelihood of knocking
Radioactive decay due to alpha particle emission results in A) loss of two protons and two neutrons B) loss of one proton and three neutrons C) loss of three proton and one neutron D) None of the above
loss of two protons and two neutrons
Crude oil recovered from deep oil reservoirs tend to have A) low sulfur content B) high sulfur content C) larger hydrocarbon chains D) higher viscosity
low sulfur content
Viscosity of a lubricating oil should be A) higher B) lower C) moderate D) no relevance
lower
What is molten underground rock is known as? A) lava B) magma C) brick D) limestone
magma
Radioactive decay due to alpha particle emission reduces A) mass number by 2 and atomic number by 1 B) mass number by 4 and atomic number by 2 C) mass number by 2 and atomic number by 2 D) none of the above
mass number by 4 and atomic number by 2
Mercaptans are added to give A) natural gas a color B) natural gas an odor C) natural gas a taste
natural gas an odor
Potential biomass crops should not A) grow quickly B) need high maintenance C) have low moisture content D) none of the above
need high maintenance
Which is not an advantage of hydropower? A) clean B) cheap C) renewable D) nonaltering to habitat
nonaltering to habitat
Insulating drapes A) prevents heat loss if they are open in the morning and closed in the night during winter B) prevents heat loss if they are closed in the morning and are opened in the night during winter C) prevents heat gain if they are open in the morning and closed at night in summer D) none of the above
prevents heat loss if they are open in the morning and closed in the night during winter
Which form of hydro power accesses previously used energy? A) run of river B) impoundment C) diversion D) pumped storage
pumped storage
The function of a moderator in a nuclear reactor is to A) absorb the neutrons B) slow down the neutrons C) dissipate heat D) all of the above
slow down the neutrons
Which of these cannot increase the efficiency of a wind mill ? A) smaller rotors B) advanced aerodynamic blades C) variable speed drives D) taller towers
smaller rotors
Work done is measured as A) the distance an object was moved B) the push or force applied to something C) the force against an object times the distance it moved D) the force against an object divided by the distance the object moved
the force against an object times the distance it moved
What is wind caused by? A) the pull of the moon B) uneven heating of the Earth's atmosphere C) birds flapping wings D) tide patterns
uneven heating of the Earth's atmosphere
What is the most sensitive variable in calculating wind energy? A) density of air B) velocity of the air C) length of turbine blade D) area
velocity of the air
A breeder reactor produces new fissionable material at a faster rate than it consumes such material. A) True B) False
True
A generator works on the principle of electromagnetic induction. A) True B) False
True
A nuclear chain reaction occurs due to faster rate of production of neutrons as compared to their consumption. A) True B) False
True
A penstock carries water to a turbine. A) True B) False
True
Which coal has the highest fixed carbon content? A) Lignite B) Subbituminous C) Bituminous D) Anthracite
Anthracite
Which hydrocarbons have benzene and rings of benzene? A) Paraffins B) Cycloparaffins C) Aromatics D) None of the above
Aromatics
In a DAF basis analysis, which of the following properties are excluded A) Moisture and volatile matter B) Ash and moisture C) Moisture and carbon D) Ash and carbon
Ash and moisture
Which energy conversion device typically has the lowest energy efficiency? A) Home oil furnace B) Steam boiler C) Automobile engine D) Electric motor
Automobile engine
In a car, the non-useful, waste energy output is in the form of __________ energy. A) Mechanical B) Radiation C) Chemical D) Thermal / heat
Thermal / heat
In a light bulb, the non-useful, waste energy output is in the form of __________ energy. A) Thermal / heat B) Radiation C) Chemical D) Mechanical
Thermal / heat
NOx emission from combustion of natural gas is primarily due to A) Thermal NOx B) Fuel NOx C) Prompt NOx D) does not contribute to emission
Thermal NOx
What is the energy conversion that takes place in a turbine in a power plant? A) Mechanical energy to electricity B) Chemical energy to Thermal energy C) Thermal energy to mechanical energy D) Thermal energy to electricity
Thermal energy to mechanical energy
What is the problem with aromatics in the petroleum industry? A) Cannot be used for gasoline B) Cannot be used in diesel C) They are carcinogenic
They are carcinogenic
What is doubling time? A) A measure of radioactive decay B) Time during which the initial quantity increases by a factor of two C) Time it takes for a radioactive sample to decrease to half the original mass D) Radioactivity
Time during which the initial quantity increases by a factor of two
Which one of the following is not a mode of heat transfer? A) Conduction B) Convection C) Radiation D) Translation
Translation
Which sector is the largest consumer of energy? A) Industry and Manufacturing B) Transportation C) Commercial D) Residential
Transportation
Which sector of the US economy uses energy the least efficiently? A) Industry and manufacturing B) Transportation C) Commercial D) Residential
Transportation
A Cogeneration power plant generates both electric power and useful thermal energy from the same fuel source. A) True B) False
True
