HVAC EXAM 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: what temp scale uses 0 as the freezing point of water and 100 as the boiling
point
Answer:
Celsius
Q: The absolute temp scale for C IS
Answer:
Kelvin
Q: The absoulet temp scale for Fis
Answer:
Rankine
Q: the earliest thermometers were based on
Answer:
the expansion and contration fo air trapped in a
tube above a column of liquid
,HVAC EXAM 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Electric temp sensors can be any of these
Answer:
transformer
Q: what is an absolute temp scale
Answer:
A temp scale whith no negative temp and 0 equal to
absolute 0
Q: what is absolute 0
Answer:
Thecoldes temp possible where all molecular motion stops
Q: According to jo pressure temp chart the saturation temp for 12 lb of pressure is
36.9fthe actual
Answer:
refrigerant tem measured was 35.2 what does this te;; you it is saturated
, HVAC EXAM 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: what is needed to determin if refrigerant in a regrigeration system is saturated,
superheaded,
Answer:
or subcooled. An accurate temp reading
Q: how much heat is required to increase the temp of 20 lb of water form 32 212
Answer:
3600
Q: what process causes dew to form on grass
Answer:
Condensation
Q: according to the second law of thermodynamics how does heat trave;gy
Answer:
heat energy travels
from a warmer to a colder
2026 Update
Q: what temp scale uses 0 as the freezing point of water and 100 as the boiling
point
Answer:
Celsius
Q: The absolute temp scale for C IS
Answer:
Kelvin
Q: The absoulet temp scale for Fis
Answer:
Rankine
Q: the earliest thermometers were based on
Answer:
the expansion and contration fo air trapped in a
tube above a column of liquid
,HVAC EXAM 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: Electric temp sensors can be any of these
Answer:
transformer
Q: what is an absolute temp scale
Answer:
A temp scale whith no negative temp and 0 equal to
absolute 0
Q: what is absolute 0
Answer:
Thecoldes temp possible where all molecular motion stops
Q: According to jo pressure temp chart the saturation temp for 12 lb of pressure is
36.9fthe actual
Answer:
refrigerant tem measured was 35.2 what does this te;; you it is saturated
, HVAC EXAM 2 Questions and Answers with Verified Solutions | Latest
2026 Update
Q: what is needed to determin if refrigerant in a regrigeration system is saturated,
superheaded,
Answer:
or subcooled. An accurate temp reading
Q: how much heat is required to increase the temp of 20 lb of water form 32 212
Answer:
3600
Q: what process causes dew to form on grass
Answer:
Condensation
Q: according to the second law of thermodynamics how does heat trave;gy
Answer:
heat energy travels
from a warmer to a colder
