Physics

Quiz

(I) Carnot Cycle

(1) The maximum amount of heat that can be converted into mechanical work depends only on the temperature difference between the heat source and the heat sink, true or false.

True.
False.

Answer:

(2) What type of graph depicts the Carnot Cycle?

Displacement vs. Time.
Pressure vs. Time.
Pressure vs. Volume.

Answer:

(II) Carnot Efficiency

(3) What does the Carnot Efficiency describe?

The maximum phun that can be learned through physics.
The minimum heat that can be converted to mechanical work.
The maximum heat that can be converted to mechanical work.

Answer:

(4) What is a source of irreversibility that contributes to loss of efficiency?

(b) & (c).
Some of the work generated is converted back to heat by friction.
Heat flowing directly from the source to the sink.

Answer: