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Single Phase Motors

Single Phase Motors
Electrical faults in a motor occur must commonly in its

Brushes
Commutator
Motor winding
Control equipment

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Single Phase Motors
A single phase induction motor employs ______ rotor.

Squirrel cage
Either squirrel cage or wound
Wound
None of the listed here

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Single Phase Motors
A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______

1200 rpm
750 rpm
1500 rpm
None of the listed here

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Single Phase Motors
A shaded pole motor can be used for

Hair dryers
Any of the listed here
Toys
Circulators

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Single Phase Motors
If starting winding of a single-phase induction motor is left in the circuit, it will

run faster
spark at light loads
draw excessive current and overheat
run slower

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Single Phase Motors
The single phase shaded pole motor has _____

High starting torque
Wound rotor
Squirrel cage motor
High power factor

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