Refrigeration & Air Conditioning Technology, 8e - 29

Unit 1

Heat, Temperature, and Pressure

6. One British thermal unit will raise the temperature of
_____ lb of water _____°F.
7. In which direction does heat flow?
A. From a cold substance to a cold substance
B. Up
C. Down
D. From a warm substance to a cold substance
8. Describe heat transfer by conduction.
9. An increase in sensible heat causes
A. a higher thermometer reading.
B. a lower thermometer reading.
C. no change of the thermometer reading.
D. ice to melt.
10. Latent heat causes
A. a higher thermometer reading.
B. temperature to rise.
C. a change of state.
D. temperature to fall.

29

11. Describe how heat is transferred by convection.
12. Describe how heat is transferred by radiation.
13. Specific heat is the amount of heat necessary to raise the
temperature of 1 lb of a _____ 1°F.
14. Atmospheric pressure at sea level under standard conditions is _____ inches of mercury (Hg) or _____ pounds
per square inch absolute (psia).
15. To change from psig to psia, you must add _____
to psig.
16. Convert 80°F to Celsius.
17. Convert 22°C to Fahrenheit.



Refrigeration & Air Conditioning Technology, 8e

Table of Contents for the Digital Edition of Refrigeration & Air Conditioning Technology, 8e

Contents
Refrigeration & Air Conditioning Technology, 8e - Cover1
Refrigeration & Air Conditioning Technology, 8e - Cover2
Refrigeration & Air Conditioning Technology, 8e - i
Refrigeration & Air Conditioning Technology, 8e - ii
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Refrigeration & Air Conditioning Technology, 8e - Contents
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Refrigeration & Air Conditioning Technology, 8e - Cover4
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