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Single Phase Motors
A 2 HP dc series motor will weigh ______2 HP single phase series motor.
About the same as
More than
None of the listed here
Less than
About the same as
More than
None of the listed here
Less than
Answer
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Related Question
Single Phase Motors
Which of the following statements regarding repulsion-start induction motor is incorrect ?
It makes quite a bit of noise on starting
It requires more maintenance of commutator and other mechanical devices
It is not easily reversed
In fractional horse power motors, it has replaced the capacitor motors
It makes quite a bit of noise on starting
It requires more maintenance of commutator and other mechanical devices
It is not easily reversed
In fractional horse power motors, it has replaced the capacitor motors
Answer
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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
draw excessive current and overheat
run slower
run faster
spark at light loads
draw excessive current and overheat
run slower
run faster
Answer
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Single Phase Motors
In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will
Fall out of synchronism and come to stand still
Become unstable
Draw excessive armature current and may burn out
Run as induction motor
Fall out of synchronism and come to stand still
Become unstable
Draw excessive armature current and may burn out
Run as induction motor
Answer
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Single Phase Motors
In a shaded pole motor, the direction of rotation is from
None of the listed here
Shaded pole to main pole
Depends on supply line polarity
Main poles to shaded pole
None of the listed here
Shaded pole to main pole
Depends on supply line polarity
Main poles to shaded pole
Answer
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Single Phase Motors
Which of the following motor can be used for unity power factor?
Scharge motor
Hysteresis motor
Shaded pole motor
Capacitor run motor
Scharge motor
Hysteresis motor
Shaded pole motor
Capacitor run motor
Answer
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