Reading Quiz Ch 19 (Heat Engines and Refrigerators)

Reading Question 19.01

Part A

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

Refrigerator

Thermal motor

Heat engine

Carnot cycle

Otto processor

Reading Question 19.07

Part A

How much work is done in one cycle?

2000 J.

6000 J.

9000 J.

3000 J.

1000 J.

Reading Question 19.02

The area enclosed within a pV curve is

the work done by the system during one complete cycle.

the work done on the system during one complete cycle.

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

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

Reading Question 19.03

The maximum possible efficiency of a heat engine is determined by

its design.

the amount of heat that flows.

the maximum and minimum pressure.

the compression ratio.

the maximum and minimum temperature.

Reading Question 19.05

The efficiency of this heat engine is

1.00.

0.60.

0.20.

0.40.

0.50.

Reading Question 19.06

The coefficient of performance of this refrigerator is

1.67.

2.00.

0.40.

0.60.

1.50.

Reading Question 19.04

The engine with the largest possible efficiency uses a

Brayton cycle.

Joule cycle.

Carnot cycle.

Otto cycle.

diesel cycle.