DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011)
Permittivity is expressed in terms of

Farad/m

Weber /m

farad/sq. m.

N/m

Farad/m

Weber /m

farad/sq. m.

N/m

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DGVCL Exam Paper (11-12-2011)
The picture on the monitor of a computer is made up of tiny coloured dots called

Points

Pixels

Spots

Icons

Points

Pixels

Spots

Icons

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DGVCL Exam Paper (11-12-2011)
Reactance relay is used to protect against

Earth faults only

Over voltage faults

Both phase and earth faults

Phase faults only

Earth faults only

Over voltage faults

Both phase and earth faults

Phase faults only

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

Capacitor start capacitor run motor

Capacitor start motor

Universal motor

Split phase motor

Capacitor start capacitor run motor

Capacitor start motor

Universal motor

Split phase motor

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

Amount of copper in the winding

Harmonics in the generated emf

Cost of the machine

Size of the machine

Amount of copper in the winding

Harmonics in the generated emf

Cost of the machine

Size of the machine

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DGVCL Exam Paper (11-12-2011)
People can interact with each other through any part of the world through video conferencing using

Scanner

Speaker

Webcam

Joystick

Scanner

Speaker

Webcam

Joystick

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