Refrigeration And Air Conditioning Technology 8th Edition Tomczyk - Test Bank
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Course
Refrigeration And Air Conditioning Test Bank
Institution
Refrigeration And Air Conditioning Test Bank
1. The component used to switch the heat pump unit between the heating and cooling modes of operation is the ____.
a. four-way valve b. bi-valve
c. two-way valve d. switching valve
ANSWER: a
POINTS: 1
REFERENCES: Reverse-Cycle Refrigeration
QUESTION TYPE: Multiple Choice
HAS ...
Unit 1 - Heat, Temperature, and Pressure
Refrigeration and Air Conditioning Technology
1. Which of the following represents a different temperature than the other three?
a. 15°C b. 59°F
c. 475°K d. 519°R
ANSWER: c
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/19/2015 11:16 AM
2. Of the following choices, the warmest temperature is ____.
a. 20°C b. 303°K
c. 501°R d. 77°F
ANSWER: b
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/19/2015 11:14 AM
3. Temperature can be thought of as ____.
a. the amount of heat in a material
b. the density of the material
c. a description of the level of heat
d. the weight of the total mass of the material
ANSWER: c
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 3/12/2015 12:21 PM
4. At standard conditions on the Celsius scale, water will boil at ____.
a. 100°C b. 212°C
c. 32°C d. 0°C
ANSWER: a
POINTS: 1
REFERENCES: Temperature
Copyright Cengage Learning. Powered by Cognero. Page 1
,Name Clas Dat
: s: e:
Unit 1 - Heat, Temperature, and Pressure
Refrigeration and Air Conditioning Technology
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/19/2015 11:14 AM
5. Pure water boils at a temperature of 212°F at which of the following standard conditions?
a. 12.696 psia b. 13.696 psia
c. 14.696 psia d. 15.696 psia
ANSWER: c
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/23/2015 5:29 AM
6. The temperature on the Fahrenheit scale where all molecular biology activity stops is ____.
a. -450°F b. -460°F
c. -0°F d. -462.95°F
ANSWER: b
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/19/2015 11:15 AM
7. The temperature on the Celsius scale where all molecular activity stops is ____.
a. -273°C b. -293°C
c. -460°C d. -459.6°C
ANSWER: a
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/19/2015 11:16 AM
8. As the temperature of a material increases, the molecules in the material ____.
a. stop moving
b. travel faster
Copyright Cengage Learning. Powered by Cognero. Page 2
, Name Clas Dat
: s: e:
Unit 1 - Heat, Temperature, and Pressure
Refrigeration and Air Conditioning Technology
c. slow down
d. travel in more of a parallel direction
ANSWER: b
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/11/2015 5:25 PM
9. The Celsius equivalent of 80°F is ____.
a. 25.5°C b. 26.7°C
c. 26.3°C d. 27.5°C
ANSWER: b
POINTS: 1
REFERENCES: Temperature
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/19/2015 11:18 AM
10. How many Btus are required to change one pound of ice at 20°F to steam at 220°F?
a. 1,304 Btu b. 2,608 Btu
c. 6,520 Btu d. 3,912 Btu
ANSWER: a
POINTS: 1
REFERENCES: Latent Heat
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
DATE MODIFIED: 12/23/2015 5:29 AM
11. How many Btus are required to change five pounds of ice at 20°F to steam at 220°F?
a. 1,304 Btu b. 2,608 Btu
c. 6,520 Btu d. 3,912 Btu
ANSWER: c
POINTS: 1
REFERENCES: Latent Heat
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 3/12/2015 12:21 PM
Copyright Cengage Learning. Powered by Cognero. Page 3
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