DGVCL Exam Paper (11-12-2011)
Which lightning stroke is most dangerous?

Direct stroke on line conductor
Direct stoke on tower top
Direct stroke on ground wire
Indirect stroke on conductor

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DGVCL Exam Paper (11-12-2011)
The purpose of skewing of rotor slots in an induction motor is

To reduce the locking tendency of the rotor
To increase the breadth factor
To reduce the magnetic hum of the motor
To increase the distributuion factor

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start capacitor run motor
Universal motor
Split phase motor
Capacitor start motor

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