If the dielectric strength of the medium between the contacts builds up more rapidly than the restriking voltage the arc will

DGVCL Exam Paper (11-12-2011)
If the dielectric strength of the medium between the contacts builds up more rapidly than the restriking voltage the arc will

Increase in size

Decrease in size

Restrike

Extinguish

Increase in size

Decrease in size

Restrike

Extinguish

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

Diameter of the conductor

Spacing between the conductors

The length of the conductor

Both spacing between the conductors and diameter of the conductor

Diameter of the conductor

Spacing between the conductors

The length of the conductor

Both spacing between the conductors and diameter of the conductor

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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

Amount of copper in the winding

Size of the machine

Cost of the machine

Harmonics in the generated emf

Amount of copper in the winding

Size of the machine

Cost of the machine

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

To increase the distributuion factor

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

To reduce the magnetic hum of the motor

To increase the breadth factor

To reduce the locking tendency of the rotor

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DGVCL Exam Paper (11-12-2011)
The purpose of providing a choke in a tube light is

To avoid radio interference

To improve the power factor

To limit the current to an appropriate value

To eliminate corona effect

To avoid radio interference

To improve the power factor

To limit the current to an appropriate value

To eliminate corona effect

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DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

Its full length

50 % of its full length

80 % of its full length

25 % of its full length

Its full length

50 % of its full length

80 % of its full length

25 % of its full length

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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) If the dielectric strength of the medium between the contacts builds up more rapidly than the restriking voltage the arc will

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

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

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

DGVCL Exam Paper (11-12-2011) The purpose of providing a choke in a tube light is

DGVCL Exam Paper (11-12-2011) First zone distance relay protects the transmission line section upto

DGVCL Exam Paper (11-12-2011)
If the dielectric strength of the medium between the contacts builds up more rapidly than the restriking voltage the arc will

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

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

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

DGVCL Exam Paper (11-12-2011)
The purpose of providing a choke in a tube light is

DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto