HVAC Motors

What is the transfer of energy in when you plug in a motor and it spins?

• chemical to mechanical

• electrical to mechanical

• mechanical to electrical

• physical to potential

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NGSS.MS-PS3-5

What is the primary function of an HVAC motor in a heating system?

• To circulate air

• To generate heat

• To cool the air

• To filter the air

Which type of motor is commonly used in HVAC systems for variable speed control?

• Induction motor

• Synchronous motor

• Stepper motor

• Brushless DC motor

In an HVAC system, what does the acronym 'ECM' stand for?

• Electronic Control Module

• Electrically Commutated Motor

• Energy Conservation Motor

• Efficient Cooling Mechanism

What is the role of a capacitor in an HVAC motor?

• To store electrical energy

• To increase motor speed

• To reduce noise

• To improve power factor

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NGSS.HS-PS3-5

Which component in an HVAC motor helps in reducing electrical noise?

• Capacitor

• Inductor

• Resistor

• Diode

What is the typical voltage rating for residential HVAC motors?

• 120V

• 240V

• 480V

• 600V

How does a variable frequency drive (VFD) benefit an HVAC motor?

• Increases motor speed

• Reduces energy consumption

• Enhances motor lifespan

• Improves air quality

What is the main advantage of using a brushless DC motor in HVAC systems?

• Lower cost

• Higher efficiency

• Simpler design

• Easier maintenance

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NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Which scientific principle explains the operation of an induction motor in HVAC systems?

• Ohm's Law

• Faraday's Law of Induction

• Newton's Third Law

• Bernoulli's Principle

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