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

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

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

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

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DGVCL Exam Paper (11-12-2011)
The main advantage of using fractional pitch winding is to refuce

Harmonics in the generated emf
Cost of the machine
Amount of copper in the winding
Size of the machine

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DGVCL Exam Paper (11-12-2011)
A Mho relay is a

Voltage restrained directional relay
Directional restrained over voltage relay
Directional restrained over current relay
Voltage controlled over current relay

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