
Heat Pump Test 1 ( week 2)
Quiz
•
Science
•
University
•
Practice Problem
•
Easy
+2
Standards-aligned
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19 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The purpose of a metering device is to ____.
regulate the refrigerant flow into the evaporator
lower the pressure of the liquid refrigerant
lower the boiling point of the refrigerant
all of the above
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In order to switch the refrigerant flow, a 4-Way valve needs a pressure differential of __________ between the high and low sides of the system.
75 psi
50 psi
25 psi
100 psi
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which component switches the heat pump refrigeration cycle from one mode to the other?
TXV
Outdoor Thermostat
Check Valve
Reversing Valve
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The metering device that has no moving parts and does not control evaporator pressure or superheat is known as the:
Thermostatic Expansion Valve
Thermostatic Tube
Capillary Thermostatic Valve
Capillary Tube
Tags
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In the heating mode, the refrigerant is metered through the expansion device at the ____________ coil.
front door
next-door
outdoor
indoor
Tags
NGSS.HS-PS3-4
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In the cooling mode, the refrigerant bypasses the expansion device at the ____________ coil.
indoor
outdoor
front door
next door
Tags
NGSS.MS-PS3-3
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
This component of a heat pump system protects the compressor from liquid migration during the off-cycle.
Charge Compensator
Suction Line Filter Drier
Suction Line Accumulator
Crankcase Heater
Tags
NGSS.MS-PS3-3
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