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Single Phase Motors

Single Phase Motors
The single phase series motor can operate on

None of the listed here
DC only
Both AC and DC
AC only

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Single Phase Motors
A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is

1449 rpm
1540 rpm
1120 rpm
1279 rpm

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Single Phase Motors
A capacitor selected for capacitor run motor should be rated for

None of the listed here
Rms voltage
Average voltage
Peak voltage

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Single Phase Motors
If the single phase motor runs hot the probable cause cannot be

Shorted stator coils
High voltage
Low voltage
Blown fuse

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Single Phase Motors
The least expensive fractional horse power motor is _______motor.

Shaded pole
Ac series
Split phase
Capacitor start

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Single Phase Motors
If a single phase induction motor runs slower than normal, the most likely defect is

open-circuit in the winding
worn bearings
None of these
short-circuit in the winding

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MORE MCQ ON Single Phase Motors

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