Quiz

1. What is the generic name for a cyclical device that transforms heat energy into work?

A. Refrigerator

B. Thermal motor

C. Heat engine

D. Carnot cycle

E. Otto processor

2. What is the area enclosed within a P-V curve?

A. the work done by the system during one complete cycle.

B. the work done on the system during one complete cycle.

C. the thermal energy change of the system during one complete cycle.

D. the heat transferred out of the system during one complete cycle.

3. The maximum possible efficiency of a heat engine is determined by...

A. its design.

B. the amount of heat that flows.

C. the maximum and minimum pressure.

D. the compression ratio.

E. the maximum and minimum temperature.

4. The engine with the largest possible efficiency uses a...

A. Brayton cycle.

B. Joule cycle.

C. Carnot cycle.

D. Otto cycle.

E. Diesel cycle.

5. Which of these statements about the Second Law of Thermodynamics is not true? (Multiple Answers)

A. It determines the direction of a process.

B. It states that energy has a quantity but not a quality

C. Determines theoretical limits and predicts degree of completion of chemical reaction

D. Does not determine the degree of degradation of energy during a process

6. Which of these is not a stage in the Carnot Cycle?

A. Reversible Isothermal Expansion

B. Reversible Adiabatic Expansion

C. Reversible Isothermal Compressions

D. Reversible Adiabatic Compression

E. Reversible Isobaric Expansion

8. What does a thermal energy reservoirs do?

A. Supply

B. Absorb

C. Supply and absorb

D. None of the above

9. What does a thermal reservoir sink do?

A. Provide energy

B. Remove energy

C. Neither

10. Put these options in the correct order for a heat engine?

A. The heat engine converts some of the heat into work.

B. The remaining heat that was not used is rejected into a low temperature sink.

C. The heat engine receives heat from a high temperature source such as a nuclear reactor or oil furnace.

Quiz Answers