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Single Phase Motors

Single Phase Motors
A scharge motor can run on

Positive slip
All of the listed here
Negative slip
Zero slip

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Single Phase Motors
The full load efficiency of a shaded pole motor is about _______

5 to 10%
30 to 35%
70 to 80%
60 to 70%

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Single Phase Motors
For ceiling fans generally the single phase motor used is

Capacitor start and run type
Permanent capacitor type
Capacitor start type
Split phase type

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

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

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Single Phase Motors
A shaded pole motor does not possess

all of these
commutator
capacitor
centrifugal switch

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Single Phase Motors
Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed

80 to 90
100
30 to 40
70 to 80

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MORE MCQ ON Single Phase Motors

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