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Single Phase Motors
For the same rating, the size of a single phase induction motor is about _______ that of the corresponding 3-phase induction motor.
1.5 times
0.33 times
3 times
The same as
1.5 times
0.33 times
3 times
The same as
Answer
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Related Question
Single Phase Motors
The speed/load characteristics of a universal motor is same as that of
None of the listed here
AC motor
DC shunt motor
DC series motor
None of the listed here
AC motor
DC shunt motor
DC series motor
Answer
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Single Phase Motors
A Reluctance motor
All of the listed here
Is self starting
Need no dc excitation
Is constant speed motor
All of the listed here
Is self starting
Need no dc excitation
Is constant speed motor
Answer
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Single Phase Motors
Which of the following is most economical method of starting a single phase induction motor?
Capacitor start method
Split phase method
Inductance start method
Resistance start method
Capacitor start method
Split phase method
Inductance start method
Resistance start method
Answer
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Single Phase Motors
In case of a shaded pole motor the direction of rotation of the motor is
either of the above depending on power factor
from shaded pole to main pole
either of the above depending on voltage
from main pole to shaded pole
either of the above depending on power factor
from shaded pole to main pole
either of the above depending on voltage
from main pole to shaded pole
Answer
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Single Phase Motors
A universal motor operates on
Synchronous speed with varying load
Constant speed and varying load
Approximately constant speed and load
Constant load and varying speed
Synchronous speed with varying load
Constant speed and varying load
Approximately constant speed and load
Constant load and varying speed
Answer
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