DGVCL Exam Paper (11-12-2011)
If a 5 A fuse is blown frequently in a house lighting circuit, it is required to

Insert a fuse of higher voltage rating
Check the load
Reduce the load
Insert a fuse of higher current rating

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

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

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

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DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

Diameter of the conductor
Both spacing between the conductors and diameter of the conductor
Spacing between the conductors
The length of the conductor

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