NATE AC Exam 2 Latest 2026 Actual Questions & Verified Answers (Latest 2026 / 2027 Update) A+ Grade 100% Guarantee Verified by Experts.

NATE A/C Exam #2 Questions and Answers

1.The Fahrenheit scale is based on boiling water at sea level at
what temper- ature?

A: 459 degrees

B: 212 degrees

C: 180 degrees

D: 100 degrees
ANS: B: 212 degrees



2.Zero pounds gauge corresponds on the absolute
scale to
A: 144
B: 212

C: 14.7

D: zero
ANS: C: 14.7



3.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



4.Absolute zero on the Fahrenheit
scale is
A: 459 degrees
B: 273 degrees

C: 100 degrees

D: 0 degrees
ANS: A: 459 degrees



5.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


6.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


7.A thermometer is said to "sense" what?

A: Heat of
fusion B:
Latent heat
C: Sensible
heat
D: Specific heat
ANS: C: Sensible heat


8.Five pounds of water is heated by two degrees F. How many
btu were added to the water?

A: 25 btu