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NATE A/C Exam #2 – Questions & Answers
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NATE A/C Exam #2 – Questions & AnswersThe Fahrenheit scale is based on boiling water at sea level at what
temperature?
A: 459 degrees
B: 212 degrees
C: 180 degrees
D: 100 degrees ✔️Ans - B: 212 degrees
Zero pounds gauge corresponds on the absolute scale to:
A: 144
B: 212
C: 14.7
D: zero ✔️Ans - C: 14.7
Hidden heat in refrigeration work is referred to as:
A: Intensity of heat
B: Latent heat
C: Heat a thermometer can "sense"
D: Cold ✔️Ans - B: Latent heat
Absolute zero on the Fahrenheit scale is:
A: 459 degrees
B: 273 degrees
, C: 100 degrees
D: 0 degrees ✔️Ans - A: 459 degrees
A ton of refrigeration is a unit equal to:
A: 2,880,000 btu per day
B: 12,000 btu per hour
C: 2,000 btu per minute
D: All of these are correct ✔️Ans - B: 12,000 btu per hour
The heat used to change a liquid to a gas is called the latent heat of:
A: Absorption
B: Vaporization
C: Fusion
D: Liquid ✔️Ans - B: Vaporization
A thermometer is said to "sense" what?
A: Heat of fusion
B: Latent heat
C: Sensible heat
D: Specific heat ✔️Ans - C: Sensible heat
Five pounds of water is heated by two degrees F. How many btu were added
to the water?
A: 25 btu
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