2nd exam, 1st page
Approximately, what percentage of world coal reserves does United States possess? A) 25% B) 40% C) 10% D) 60%
25%
Which of the following recovery methods for oil is the most expensive? A) Primary B) Secondary C) Tertiary
C) Tertiary
Kerogen derived from higher plants gets converted to crude oil and natural gas when buried inside the earth for millions of years.
False
Kerogen produced from higher plants gets converted into natural gas
False
Kerogens are formed by the transformation of inorganic matter into an insoluble, polymeric material
False
Resources are the quantity of an energy source that is economically recoverable.
False
United States has large crude oil reserves
False
Fossil fuels are formed due to the interruption of the decay process in the carbon cycle.
True
Kerogens are produced from algae, planktons and higher plants with the help of decomposition by bacteria
True
The starting point of the formation of fossil fuels is the transformation of decaying organic matter to kerogen
True
.Lifetime predictions for a fossil fuel are done based on available resources
false
Anthracite has higher volatile matter content than Bituminous coal.
false
Coal can be used directly to produce "pig iron" by mixing it with iron ore in a blast furnace.
false
.Lignite is the youngest ranked coal
true
Carbonization is the process of heating coal in the absence of air to produce coke.
true
In a fluidized bed combustion, fine coal particles are "fluidized" and burnt using a jet of hot air.
true
In deep mining, coal seams are buried several hundred feet to 1000 ft. deep under the ground.
true
How many hydrogen atoms are present in coal for one carbon atom? A) 0.8 B) 2 C) 4 D) 15
A) 0.8
Which of the following properties is not measured during Proximate analysis of coal? A) Density B) Moisture C) Volatile matter D) Ash
A) Density
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
A) Porosity
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
A) low sulfur content
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
B) Ash and moisture
Most of the coal found in United States is A) Lignite coal B) Bituminous coal C) Anthracite coal D) Sub-bituminous coal
B) Bituminous coal
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
B) Reserve
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
C) Carbon dioxide sequestration
Which one of the following combustion process uses limestone? A) Stoker combustion B) Pulverized coal combustion C) Fluidized bed combustion
C) Fluidized bed combustion
How is crude oil separated during the distillation process? A) Water B) Air C) Heat
C) Heat
With increase in the rank of coals, which one of the following element's composition decreases? A) Carbon B) Nitrogen C) Hydrogen D) Sulfur
C) Hydrogen
Coal reserves are measured in A) Cubic feet B) Gallons C) Metric tons D) Barrels
C) Metric tons
Cubic feet is used to measure the quantities of A) Coal B) Petroleum C) Natural gas
C) Natural gas
Which one of the following has the highest heating value per pound? A) Coal B) Oil C) Natural gas
C) Natural gas
What is the approximate carbon content in petroleum crude? A) ppm B) 4% C) 9-15% D) 85-90%
D) 85-90%
Kerogen formed from algae or plankton is derived from A) Fats B) Oils C) Waxes D) All of the above
D) All of the above
What is necessary for the fossil fuel formation? A) Temperature B) Pressure C) Time D) All of the above
D) 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
D) All of the above
Which coal has the highest fixed carbon content? A) Lignite B) Subbituminous C) Bituminous D) Anthracite
D) Anthracite
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
D) Both coal and natural gas
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
D) Glucose is formed during the decay process
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
D) Petroleum
Oil Reservoirs are usually found in places that have A) Anticlines B) Faults C) Salt Plugs D) All of the above
D) all the above
Coke is produced by combustion of coal in a furnace.
false
In the US, coal is primarily used for carbonization.
false
Lignite has higher heating value than Bituminous coal.
false
Lignite is the highest ranked coal.
false
Low and medium rank coals are ranked on the basis of volatile matter content.
false
Most of the natural gas reserves in the world are located in United States
false
Proximate analysis exactly measures the elemental composition of coal.
false
Reservoir rock is a rock that produces crude oil.
false
The United States is the largest exporter of coal.
false
The amount of nitrogen in petroleum is more than in coal.
false
Economic feasibility and geological assurances are two important variables that differentiate resources and reserves.
true
Heating value of coal increases with increase in the rank of coal
true
Hydrogen content in petroleum is far greater than in coal.
true
Large sized coal pieces can be used during the Stoker combustion process.
true
Larger molecules tend to have a higher boiling point.
true
Petroleum contains lesser amount of oxygen atoms than coal does.
true
Surface mining requires the removal of top soil and layers of rock to expose beds of coal.
true
The United states consumes double the amount of oil that it produces.
true