
Unit 43 Heat pumps

Quiz
•
Other
•
9th - 12th Grade
•
Medium
c Romanski
Used 19+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component of a heat pump is responsible for changing the direction of refrigerant flow through the system?
Compressor
Check valve
Reversing valve
Metering device
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true regarding heat pump system operation
The indoor coil functions as the evaporator in the heating mode.
The indoor coil functions as the condenser in the heating mode.
The outdoor coil functions as the condenser in the heating mode.
The outdoor coil functions as the evaporator in the cooling mode.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An air-to-water heat pump system uses heat contained in
air to heat water.
water to cool air.
air to cool water.
water to heat air.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate percentage of usable heat that remains in outside air when it drops to a temperature of 0°F?
57%
0%
85%
23%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The majority of heat pump systems will operate in which mode when the reversing valve's solenoid is deenergized?
Emergency heat
Heating
Defrost
Cooling
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The isolated port on a reversing valve contains high-pressure
gas that is leaving the valve flowing to the compressor.
liquid that is entering the valve from the compressor.
liquid that is leaving the valve flowing to the compressor.
gas that is entering the valve from the compressor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reversing valve that relies on the system's operating pressures to change the position of the valve is called a
indirectly controlled reversing valve.
direct-acting reversing valve.
pressure-activated reversing valve.
pilot-operated reversing valve.
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