STEAMFITTER/ PIPEFITTER HVAC QUESTIONS AND
CORRECT ANSWERS
The five requirements for comfort are: - CORRECT ANSWER✅✅✅Temperature
humidity
circulation
Filtration
ventilation
What is the medium used most for making ice rinks? - CORRECT
ANSWER✅✅✅Ammonia.
What is the name of the pressure when a liquid will remain a liquid no matter how much heat is
applied? - CORRECT ANSWER✅✅✅Critical pressure.
Define Cryo-genic - CORRECT ANSWER✅✅✅Cryo-Genic refers to refrigeration that
deals with freezing temperatures of -250°F.
1 ton of refrigeration is equivalent to: - CORRECT ANSWER✅✅✅200 BTU per minute
12,000 BTU per hour and 288,000 BTU per 24 hours.
In refrigeration systems the refrigerant absorbs ----- by evaporaton. - CORRECT
ANSWER✅✅✅Heat.
The high side of a refrigeration system would not include: - CORRECT ANSWER✅✅✅An
intake valve on compressor.
A flooded evaporator would have a _____________ for a metering valve - CORRECT
ANSWER✅✅✅High side float.
, An example of an indirect refrigeration system is: - CORRECT ANSWER✅✅✅Pipe coil in
a curling rink.
Where a condenser is used, the best type for heat removal is: - CORRECT
ANSWER✅✅✅Evaporative.
The type of metering valve that is manually operated and will require continuous supervision is
the: - CORRECT ANSWER✅✅✅Needle valve.
The thermostatic metering valve operates by sensing: - CORRECT
ANSWER✅✅✅Superheat.
The type of valve that senses temperature change with a thermistor is: - CORRECT
ANSWER✅✅✅Thermal electric valve.
A one pipe system is ideally suited for: - CORRECT ANSWER✅✅✅Perimeter baseboard
installations.
A three pipe system will not contain: - CORRECT ANSWER✅✅✅Split A/C system.
The three most important principles of air factors used on air conditioning systems is: -
CORRECT ANSWER✅✅✅Temperature, humidification and air motion.
Bacteria and disease can be controlled by using: - CORRECT ANSWER✅✅✅Filtration.
A Priority of air conditioning in pulpmills is to: - CORRECT ANSWER✅✅✅Reduce the
amount of humidity.
The refrigerant that is most environmental and human compatible is: - CORRECT
ANSWER✅✅✅R-718
CORRECT ANSWERS
The five requirements for comfort are: - CORRECT ANSWER✅✅✅Temperature
humidity
circulation
Filtration
ventilation
What is the medium used most for making ice rinks? - CORRECT
ANSWER✅✅✅Ammonia.
What is the name of the pressure when a liquid will remain a liquid no matter how much heat is
applied? - CORRECT ANSWER✅✅✅Critical pressure.
Define Cryo-genic - CORRECT ANSWER✅✅✅Cryo-Genic refers to refrigeration that
deals with freezing temperatures of -250°F.
1 ton of refrigeration is equivalent to: - CORRECT ANSWER✅✅✅200 BTU per minute
12,000 BTU per hour and 288,000 BTU per 24 hours.
In refrigeration systems the refrigerant absorbs ----- by evaporaton. - CORRECT
ANSWER✅✅✅Heat.
The high side of a refrigeration system would not include: - CORRECT ANSWER✅✅✅An
intake valve on compressor.
A flooded evaporator would have a _____________ for a metering valve - CORRECT
ANSWER✅✅✅High side float.
, An example of an indirect refrigeration system is: - CORRECT ANSWER✅✅✅Pipe coil in
a curling rink.
Where a condenser is used, the best type for heat removal is: - CORRECT
ANSWER✅✅✅Evaporative.
The type of metering valve that is manually operated and will require continuous supervision is
the: - CORRECT ANSWER✅✅✅Needle valve.
The thermostatic metering valve operates by sensing: - CORRECT
ANSWER✅✅✅Superheat.
The type of valve that senses temperature change with a thermistor is: - CORRECT
ANSWER✅✅✅Thermal electric valve.
A one pipe system is ideally suited for: - CORRECT ANSWER✅✅✅Perimeter baseboard
installations.
A three pipe system will not contain: - CORRECT ANSWER✅✅✅Split A/C system.
The three most important principles of air factors used on air conditioning systems is: -
CORRECT ANSWER✅✅✅Temperature, humidification and air motion.
Bacteria and disease can be controlled by using: - CORRECT ANSWER✅✅✅Filtration.
A Priority of air conditioning in pulpmills is to: - CORRECT ANSWER✅✅✅Reduce the
amount of humidity.
The refrigerant that is most environmental and human compatible is: - CORRECT
ANSWER✅✅✅R-718
