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Single Phase Motors
The direction of split phase induction motor can be reversed by interchanging the connections of supply of ________
None of the listed here
Either main or starting winding
Both main and starting winding
Rotor winding
None of the listed here
Either main or starting winding
Both main and starting winding
Rotor winding
Answer
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Related Question
Single Phase Motors
If a DC series motor is operated on AC supply, it will
All of the listed here
Spark excessively
Have poor power factor
Have poor efficiency
All of the listed here
Spark excessively
Have poor power factor
Have poor efficiency
Answer
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Single Phase Motors
The direction of rotation of an hysteresis motor is determined by
position of shaded pole with respect to main pole
retentivity of the rotor material
interchanging the supply leads
none of these
position of shaded pole with respect to main pole
retentivity of the rotor material
interchanging the supply leads
none of these
Answer
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Single Phase Motors
Electrical faults in a motor occur must commonly in its
Commutator
Brushes
Control equipment
Motor winding
Commutator
Brushes
Control equipment
Motor winding
Answer
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Single Phase Motors
The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it
improves the efficiency
improves the power factor
helps the rotor teeth to remain under the stator teeth
helps in reducing the tendency of the rotor teeth to remain under the stator teeth
improves the efficiency
improves the power factor
helps the rotor teeth to remain under the stator teeth
helps in reducing the tendency of the rotor teeth to remain under the stator teeth
Answer
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Single Phase Motors
In a hysteresis motor, the rotor must have
Retentivity
Susceptibility
None of the listed here
Resistivity
Retentivity
Susceptibility
None of the listed here
Resistivity
Answer
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