Test your knowledge on HVAC systems, focusing on refrigerants, heater cores, control valves, and the properties of liquids under pressure.
True
False
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True
False
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Heat flow
Heat absorption
Pressure and boiling points
All of the above
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True
False
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True
False
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True
False
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True
False
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Cable
Thermostat
Vacuum motor
All of the above
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True
Fale
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PAG oil
Natural oil
Castor oil
Mineral oil
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Ambient temperature switch
Thermostatic switch
Pressure cycling switch
All of the above
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A only
B only
Both A and B
Neither A nor B
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True
False
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The evaporator changes heated refrigerant to a liquid
Automatic temperature controls maintain a set passenger compartment temperature
Air conditioning/heater systems can be computer controlled
Heaters and air conditioners use the same plenum chambers
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Heater core
Receiver/dryer
Ventilation system
Distribution plenum
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True
False
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Refrigerant leaves the compressor as a high-pressure, high-temperature liquid
Refrigerant leaves the condenser as a low-pressure, high-temperature liquid
Refrigerant returns to the compressor as a low-pressure, high-temperature vapor
None of the above
The condenser is normally mounted in front of the radiator
The receiver/dryer is a storage tank for liquid refrigerant from the condenser
The accumulator is located between the condenser and the receiver/dryer
All of the above
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A only
B only
Both A and B
Neither A nor B
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