
HVAC Motors
Authored by Lisa Thompson
Science
8th Grade
NGSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary function of an HVAC motor in a heating, ventilation, and air conditioning system?
To circulate air throughout the system
To cool the refrigerant
To filter the air
To control the thermostat
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which type of motor is commonly used in HVAC systems for its efficiency and variable speed capabilities?
Induction motor
Synchronous motor
Brushless DC motor
Stepper motor
Tags
NGSS.MS-PS3-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an HVAC system, what does the acronym ECM stand for when referring to motors?
Electronic Control Module
Electrically Commutated Motor
Energy Conservation Motor
Efficient Cooling Motor
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the role of a capacitor in an HVAC motor?
To store electrical energy
To increase the motor's starting torque
To convert AC to DC
To regulate voltage
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which scientific principle explains the operation of a motor in an HVAC system?
Ohm's Law
Faraday's Law of Electromagnetic Induction
Newton's Third Law
Bernoulli's Principle
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the typical voltage range for residential HVAC motors?
12-24 volts
110-120 volts
208-230 volts
440-480 volts
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does a variable frequency drive (VFD) improve the efficiency of an HVAC motor?
By reducing the motor's speed during low demand
By increasing the motor's speed during high demand
By maintaining a constant speed regardless of demand
By converting AC to DC
Tags
NGSS.MS-PS3-3
NGSS.MS-PS3-4
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