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