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Single Phase Motors
The main winding and starting winding of a single phase induction motor are connected in _______ across the supply.
Series-parallel
None of the listed here
Series
Parallel
Series-parallel
None of the listed here
Series
Parallel
Answer
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Related Question
Single Phase Motors
The speed of a universal motor is generally reduced by using
Chains
Brakes
V-belts
Gear trains
Chains
Brakes
V-belts
Gear trains
Answer
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Single Phase Motors
Which of the following is most economical method of starting a single phase induction motor?
Resistance start method
Capacitor start method
Inductance start method
Split phase method
Resistance start method
Capacitor start method
Inductance start method
Split phase method
Answer
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Single Phase Motors
In a shaded pole motor, the direction of rotation is from
Main poles to shaded pole
Shaded pole to main pole
None of the listed here
Depends on supply line polarity
Main poles to shaded pole
Shaded pole to main pole
None of the listed here
Depends on supply line polarity
Answer
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Single Phase Motors
In repulsion motor, maximum torque is developed when
brush axis coincides with the field axis
None of these
brush axis is at 45° electrical to the field axis
brush axis is at 90° electrical to the field axis
brush axis coincides with the field axis
None of these
brush axis is at 45° electrical to the field axis
brush axis is at 90° electrical to the field axis
Answer
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Single Phase Motors
A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______
750 rpm
1200 rpm
1500 rpm
None of the listed here
750 rpm
1200 rpm
1500 rpm
None of the listed here
Answer
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