
Unit 17 Types of electric motors
Authored by Nicholas Marimberga
Other
12th Grade - University
Used 16+ times

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36 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two common operating voltages for resident equipment are?
115V and 24V
115V and 230
24V and 230V
230V and 277V
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an open motor gets up to speed, the _____ switch takes the start winding out of the circuit.
Centrifugal
inverter
rectifier
transistor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a single phase motor, the motor windings that have the highest resistance are the _______ windings
rotor
run
shaft
start
4.
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?
another winding
start capactor
thermostat
centrfugal switch
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following devices may be wired into the running circuit of a motor to improve the running efficiency
Start capacitor
Run capacitor
both start and run
current relay
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the voltage generated by an electric motor's rotor turning within a motor is known as?
drop out voltage
pick up voltage
back electromotive force BEMF
continuous coil voltage
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A _____ motor is manufactured from special materials that are compatible with refrigerants and oils used in a refrigeration system
hermetic compressor
open split phase
single-phase open
centrifugal pump
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