Heat Pump Working Principles Quiz
Authored by Matthew Welsh
Physics
12th Grade
NGSS covered
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of the reversing valve in a typical Air Source heat pump?
To control the speed of the compressor
To regulate the flow of refrigerant
To allow both heating and cooling modes
To adjust the temperature of the outdoor unit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component is responsible for driving the refrigerant around the heat pump system?
Heat exchanger
Expansion valve
Check valve
Compressor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the outdoor unit in a heat pump system when it is in cooling mode?
To reject unwanted heat into the air
To compress the refrigerant
To regulate the flow of refrigerant
To expand the refrigerant
Tags
NGSS.HS-PS3-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In heating mode, which unit acts as the evaporator in a heat pump system?
Compressor
Indoor unit
Outdoor unit
Expansion valve
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the boiling point of refrigerant R410A, commonly used in heat pumps?
-48 degrees Celsius
-26 degrees Celsius
0 degrees Celsius
100 degrees Celsius
Tags
NGSS.HS-PS3-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main source of power for the compressor in a heat pump system?
Diesel fuel
Electricity
Solar energy
Natural gas
Tags
NGSS.HS-PS3-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the refrigerant as it passes through the expansion valve in cooling mode?
It is rejected into the air
It expands and becomes a low pressure, low temperature, liquid vapor mixture
It becomes a high pressure, high temperature, saturated vapor
It condenses and becomes a liquid
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