In which of the following motors, the stator and rotor magnetic fields rotate at the same speed?

DGVCL Exam Paper (11-12-2011)
In which of the following motors, the stator and rotor magnetic fields rotate at the same speed?

Synchronous motor

Induction motor

Universal motor

Reluctance motor

Synchronous motor

Induction motor

Universal motor

Reluctance motor

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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

Extinguish

Increase in size

Decrease in size

Restrike

Extinguish

Increase in size

Decrease in size

Restrike

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DGVCL Exam Paper (11-12-2011)
Which type of back up protection is widely used for the protection of transmission lines?

Relay backup

Control backup

Remote backup

Breaker backup

Relay backup

Control backup

Remote backup

Breaker backup

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

Cost of the machine

Harmonics in the generated emf

Size of the machine

Amount of copper in the winding

Cost of the machine

Harmonics in the generated emf

Size of the machine

Amount of copper in the winding

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DGVCL Exam Paper (11-12-2011)
Which motor is used to start heavy loads?

Shunt motor

Series motor

Differentially compounded motor

Cumulatively compounded motor

Shunt motor

Series motor

Differentially compounded motor

Cumulatively compounded motor

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

Capacitor start motor

Capacitor start capacitor run motor

Universal motor

Split phase motor

Capacitor start motor

Capacitor start capacitor run motor

Universal motor

Split phase motor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) In which of the following motors, the stator and rotor magnetic fields rotate at the same speed?

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) Which type of back up protection is widely used for the protection of transmission lines?

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

DGVCL Exam Paper (11-12-2011) Which motor is used to start heavy loads?

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

DGVCL Exam Paper (11-12-2011)
In which of the following motors, the stator and rotor magnetic fields rotate at the same speed?

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)
Which type of back up protection is widely used for the protection of transmission lines?

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

DGVCL Exam Paper (11-12-2011)
Which motor is used to start heavy loads?

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