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IDA-201 Midterm Exam Prep pt.6

Authored by Randall Graham

Professional Development

University

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 IDA-201 Midterm Exam Prep pt.6
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Power enters a hermetic compressor shell and passes to the motor inside using 

start and/or run capacitors.

DC converters.

insulated motor terminals.

separate motor windings.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following devices may be wired into the starting circuit of a motor to improve the starting torque?

Start capacitor

Thermostat

Centrifugal Switch

Another winding

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Capacitors are used after the converter to

reduce the voltage

suppress the noise

smooth out the DC current

change the voltage fequency

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using evaporator pressure, condensing pressure, and compressor current, which of the following can be used to verify proper compressor operation?

Belt tension tool

Amperage performance chart

Superheat calculator

Power supply data

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Large motors with a horsepower greater than 5 are typically ___________ motors.

three-phase

low-voltage

single-phse

split-phase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The difference between a motor’s calculated speed and its actual speed is known as 

full-load amperes.

starting torque.

Induction

motor slip.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Power supply data should include which of the following?

Service factor, service factor amperage, insulation class, and capacitance

Bearing types, mounting characteristics, and drive mechanism

Voltage, current capacity, frequency, and phase

Voltage, service factor, shaft rotation, and capacitance 

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