
HVAC Pretest
Authored by Lisa Thompson
Science
University
NGSS covered
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the air temperature gets warmer, but the TOTAL amount of water vapor in the air stays the same, what will happen to the RELATIVE humidity?
relative humidity will decrease
relative humidity will increase
relative humidity will stay the same
Tags
NGSS.MS-ESS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does HVAC stand for in the context of building systems?
Heating, Ventilation, and Air Conditioning
Heat, Vacuum, and Air Circulation
High Voltage and Current
Hydraulic, Ventilation, and Air Control
Tags
NGSS.MS-PS3-3
NGSS.MS-PS3-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a primary function of an HVAC system?
To provide electrical power
To control indoor climate and air quality
To supply water to buildings
To manage waste disposal
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an HVAC system, what is the purpose of a thermostat?
To measure humidity levels
To regulate temperature
To filter air
To control water flow
Tags
NGSS.MS-PS3-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which gas is commonly used as a refrigerant in HVAC systems?
Oxygen
Nitrogen
Freon
Carbon Dioxide
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the principle of operation for a heat pump in an HVAC system?
It converts electrical energy into heat
It transfers heat from a cooler space to a warmer space
It generates heat through combustion
It uses solar energy to produce heat
Tags
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component of an HVAC system is responsible for removing heat from the air?
Compressor
Evaporator coil
Condenser coil
Thermostat
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