13-17 Fossil Fuel
Approximately, what percentage of world coal reserves does the US possess? A) 25% B) 40% C) 10% D) 60%
A
Anthracite has highest volatile matter content than Bituminous coal. A) True B) False
B
Lignite is the highest ranked coal. A) True B) False
B
Most of the natural gas reserves in the world are located in the US A) true B) false
B
Kerogen formed from algae or plankton is derived from A) Fats B) Oils C) Waxes D) All of the above
D
Carbonization is the process of heating coal in the absence of air to produce coke. A) True B) False
A
Economic feasibility and geological assurances are two important variables that differentiate resources and reserves. A) true B) false
A
Fossil fuels are formed due to the interruption of the decay process in the carbon cycle. A) true B) false
A
Heating value of coal increases with increase in the rank of coal A) True B) False
A
How many hydrogen atoms are present in coal for one carbon atom? A) 0.8 B) 2 C) 4 D) 15
A
In a fluidized bed combustion, fine coal particles are "fluidized" and burnt using a jet of hot air. A) True B) False
A
In deep mining, coal seams are buried several hundred feet to 1000 ft. deep under the ground. A) True B) False
A
Kerogens are produced from algae, planktons and higher plants with the help of decomposition by bacteria. A) true B) false
A
Large sized coal prices can be used during the Stoker combustion process. A) True B) False
A
Lignite is the youngest ranked coal. A) True B) False
A
Surface mining requires the removal of top soil and layers of rock to expose beds of coal. A) True B) False
A
The starting point of the formation of fossil fuels is the transformation of decaying organic matter to kerogen. A) true B) false
A
Which of the following properties are not used in ranking of coal? A) Porosity B) Calorific value C) Volatile matter content D) None of these above
A
Which of the following properties is not measured during proximate analysis of coal? A) Density B) Moisture C) Volatile matter D) Ash
A
Coal can be used directly to produce "pig iron" by mixing it with iron ore in a blast furnace. A) True B) False
B
Coke is produced by combustion of coal in a furnace. A) True B) False
B
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
In the US, coal is primary used for carbonization. A) True B) False
B
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
B
Kerogen produced from higher plants gets converted into ntural gas. A) true B) false
B
Kerogens are formed by the transformation of inorganic matter into an insoluble, polymeric material. A) true B) false
B
Lifetime predictions for a fossil fuel are done based on available resources. A) true B) false
B
Lignite has higher heating value than Bituminous coal. A) True B) False
B
Low and medium rank coals are ranked on the basis of volatile matter content. A) True B) False
B
Most of the coal found in US is A) Lignite coal B) Bituminous coal C) Anthracite coal D) Sub-bituminous coal
B
Proximate analysis exactly measures the elemental composition of coal. A) True B) False
B
Resources are the quantity of an energy source that is economically recovered. A) true B) false
B
The US is the largest exporter of coal A) True B) False
B
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
US has large crude oil reserves. A) true B) false
B
Coal reserves are measured in A) cubic feet B) Gallons C) Metric tons D) Barrels
C
Cubic feet is used to measure the quantities of A) Coal B) Petroleum C) Natural Gas
C
Which one of the following combustion process uses limestone? A) Stoker combustion B) Pulverized coal combustion C) Fluidized bed combustion
C
Which one of the following has the highest heating value per pound? A) coal B) oil C) natural gas
C
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
With increase in the rank of coals, which one of the following element's composition decreases? A) Carbon B) Nitrogen C) Hydrogen D) Sulfer
C
What is necessary for the fossil fuel formation? A) Temperature B) Pressure C) Time D) All of the above
D
Which among the fossil fuel reserves are abundantly available in US? A) Coal B) Natural gas C) Petroleum D) Both coal and natural gas
D
Which coal has the highest fixed carbon content? A) Lignite B) Subbituminous C) Bituminous D) Anthracite
D
Which of the following contributes to the formation of kerogen? A) Algae B) Micro-organisms C) Trees D) All of the above
D
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
