Filters
Question type

Study Flashcards

COAL COAL    -Which letter in the diagram corresponds to the type of coal called lignite? -Which letter in the diagram corresponds to the type of coal called lignite?

Correct Answer

verifed

verified

Which of the following best describes the practice of hydraulic fracturing? 


A)  It is a method that uses water to pump more oil out of the ground. 
B)  It is the process by which oil is separated into its different fractions. 
C)  It is a method for promoting the flow of tight oil through its host rock. 
D)  It is a method of drilling oil wells horizontally.

E) C) and D)
F) All of the above

Correct Answer

verifed

verified

A(n)____________________ has an unstable nucleus that decays until a stable nucleus forms.

Correct Answer

verifed

verified

Which proposal for disposing of high-level radioactive wastes is,at present,a technological impossibility? 


A)  burying radioactive wastes under ice sheets in Antarctica 
B)  burying radioactive wastes in thick deposits of mud on the deep ocean floor 
C)  sending radioactive wastes to the sun 
D)  converting radioactive wastes into harmless isotopes

E) C) and D)
F) A) and B)

Correct Answer

verifed

verified

Coal is easier to get out of the ground and transport than petroleum.

A) True
B) False

Correct Answer

verifed

verified

______________ ________________ is used as fuel primarily because of its high heat content and because it is relatively abundant.

Correct Answer

verifed

verified

Which occupation is one of the world's most dangerous because of a high incidence of accidents and disease? 


A)  subsurface mining for coal 
B)  copper smelting 
C)  oil distillation 
D)  surface mining for coal

E) None of the above
F) B) and C)

Correct Answer

verifed

verified

Which substance is the fissionable fraction of the fuel in a nuclear reactor? 


A)  deuterium 
B)  uranium-235 
C)  plutonium-235 
D)  hydrogen

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Oil fuel,in all of its usable forms,is a refined product,unlike coal and natural gas which can often be burned in their natural condition.

A) True
B) False

Correct Answer

verifed

verified

Which statement best describes natural gas transportation? 


A)  Natural gas can be transported by ship in a gaseous form. 
B)  Shipment of liquid natural gas is safe and inexpensive. 
C)  Conversion of natural gas to liquid natural gas increases reduces transportation costs by ten times. 
D)  Explosions in urban areas near liquid natural gas loading facilities could kill people and cause much damage.

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

What is one method of decommissioning nuclear power plants? 


A)  mothballing 
B)  decomposition 
C)  immediate retrofitting 
D)  spent fuel reprocessing

E) None of the above
F) A) and C)

Correct Answer

verifed

verified

How does natural gas compare to coal? 


A)  Natural gas has a high net useful energy yield and is a clean-burning fuel, compared to coal. 
B)  Natural gas has a high net useful energy yield and is a dirty fuel, compared to coal. 
C)  Natural gas has a low net useful energy yield and is a clean-burning fuel, compared to coal. 
D)  Natural gas has a low net useful energy yield and is a dirty fuel, compared to coal.

E) C) and D)
F) A) and C)

Correct Answer

verifed

verified

The nuclear accident at Chernobyl was caused by human error.

A) True
B) False

Correct Answer

verifed

verified

Which of the following best describes net energy ratio? 


A)  It is the ratio of the useful energy produced relative to the useful energy used to produce it. 
B)  It is the ratio of the energy it took to produce it relative to the new useful energy produced. 
C)  It is high when the net energy yield is high. 
D)  It is high when the net energy yield is low.

E) None of the above
F) B) and C)

Correct Answer

verifed

verified

Which statement best describes synfuels? 


A)  Synfuels are cheaper than coal. 
B)  Synfuels have a very limited potential supply availability. 
C)  Synfuel combustion produces more air pollution than coal. 
D)  Synfuels are used to produce more than unconverted coal.

E) None of the above
F) A) and B)

Correct Answer

verifed

verified

Which of the following characterizes the production of crude oil from oil sands? 


A)  Large quantities of water are used. 
B)  Little waste is created. 
C)  Little energy is used. 
D)  Small quantities of air pollution are released.

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

COAL COAL    -Which letter in the diagram corresponds to the type of coal called bituminous coal? -Which letter in the diagram corresponds to the type of coal called bituminous coal?

Correct Answer

verifed

verified

What percentage of the world's commercial energy is consumed by the United States,although it has only about 5% of the world's population? 


A)  about 54% 
B)  about 44% 
C)  about 34% 
D)  about 18%

E) All of the above
F) A) and C)

Correct Answer

verifed

verified

Canada has the third-largest crude oil reserves in the world.

A) True
B) False

Correct Answer

verifed

verified

The direct input of solar energy also produces several indirect forms of renewable solar energy.

A) True
B) False

Correct Answer

verifed

verified

Showing 61 - 80 of 105

Related Exams

Show Answer