HVAC Actual Exam| 57 Questions Questions
Correctly Answered and Updated!!!
A Bourdon tube is often found in a(n) - ANSWER pressure gauge
As heat is applied to a closed container containing a gas, the pressure inside the
container will decrease. - ANSWER False
In ____________________ heat or hidden heat, heat is known to be added, but no
temperature rise is noticed. - ANSWER Latent
Define BTU - ANSWER British thermal unit
Why is radiation the only type of heat transfer that can travel through a vacuum, such as
space? - ANSWER Why is radiation the only type of heat transfer that can travel through
a vacuum, such as space?
PSIG indicates - ANSWER PSIG indicates
As the temperature of a material increases, the molecules in the material - ANSWER
travel faster
A solid material exerts a pressure or force - ANSWER Downward only
The standard atmospheric pressure at sea level is - ANSWER 29.92 in Hg
The unit used to measure electrical power is the - ANSWER Watt
, Explain heat transfer by conduction: - ANSWER Energy actually traveling from one
molecule to another.
A law of conservation of energy states that energy is neither created nor destroyed. -
ANSWER True
A material that occupies space and has mass is called - ANSWER Matter
Matter exists in three states: ____________________, ____________________, and
____________________. - ANSWER Solid, Liquid, Gas
A vapor material exerts a pressure or force ____. - ANSWER all directions
Heat that changes the temperature of a substance is called ____________________
heat. - ANSWER Sensible
Raising the vapor temperature above the boiling point is called - ANSWER Super Heating
Earth's atmosphere exerts a weight or pressure of ____________________ psi at sea
level. - ANSWER 14.7
When water at 212°F boils, it is only absorbing latent heat. - ANSWER True
A liquid material exerts a pressure or force - ANSWER outward and downward
A wiring and crimping tool is used to - ANSWER Cut and strip wire
Correctly Answered and Updated!!!
A Bourdon tube is often found in a(n) - ANSWER pressure gauge
As heat is applied to a closed container containing a gas, the pressure inside the
container will decrease. - ANSWER False
In ____________________ heat or hidden heat, heat is known to be added, but no
temperature rise is noticed. - ANSWER Latent
Define BTU - ANSWER British thermal unit
Why is radiation the only type of heat transfer that can travel through a vacuum, such as
space? - ANSWER Why is radiation the only type of heat transfer that can travel through
a vacuum, such as space?
PSIG indicates - ANSWER PSIG indicates
As the temperature of a material increases, the molecules in the material - ANSWER
travel faster
A solid material exerts a pressure or force - ANSWER Downward only
The standard atmospheric pressure at sea level is - ANSWER 29.92 in Hg
The unit used to measure electrical power is the - ANSWER Watt
, Explain heat transfer by conduction: - ANSWER Energy actually traveling from one
molecule to another.
A law of conservation of energy states that energy is neither created nor destroyed. -
ANSWER True
A material that occupies space and has mass is called - ANSWER Matter
Matter exists in three states: ____________________, ____________________, and
____________________. - ANSWER Solid, Liquid, Gas
A vapor material exerts a pressure or force ____. - ANSWER all directions
Heat that changes the temperature of a substance is called ____________________
heat. - ANSWER Sensible
Raising the vapor temperature above the boiling point is called - ANSWER Super Heating
Earth's atmosphere exerts a weight or pressure of ____________________ psi at sea
level. - ANSWER 14.7
When water at 212°F boils, it is only absorbing latent heat. - ANSWER True
A liquid material exerts a pressure or force - ANSWER outward and downward
A wiring and crimping tool is used to - ANSWER Cut and strip wire
