A 3 phase, 6 pole induction motor operates on 440 V, 50 Hz, supply. If the actual speed of the motor is 960 rpm the slip will be

DGVCL Exam Paper (11-12-2011)
A 3 phase, 6 pole induction motor operates on 440 V, 50 Hz, supply. If the actual speed of the motor is 960 rpm the slip will be

6 %

5 %

0.4 %

4 %

6 %

5 %

0.4 %

4 %

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

It has a higher efficiency

It is suitable for higher speeds

It's power factor is higher

It can be started with the help of rotor resistances

It has a higher efficiency

It is suitable for higher speeds

It's power factor is higher

It can be started with the help of rotor resistances

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
What type of insulator is used if the direction of the transmission line is to be changed?

Shakle type

Suspebsion type

Pin type

Strain type

Shakle type

Suspebsion type

Pin type

Strain type

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DGVCL Exam Paper (11-12-2011)
The mutual inductance between two unity coupled coils of 9 H and 4 H is

13 H

36 H

2.2 H

6 H

13 H

36 H

2.2 H

6 H

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct?

The force increases when the distance between the conductors is decreased

The force increases when the distance between the conductors is increased

There is an attracting force between the conductors

There is a repelling force between the conductors

The force increases when the distance between the conductors is decreased

The force increases when the distance between the conductors is increased

There is an attracting force between the conductors

There is a repelling force between the conductors

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DGVCL Exam Paper (11-12-2011)
A fuse is inserted in

Neutral wire

Phase wire

Earth continuity conductor

Both phased and neutral wire

Neutral wire

Phase wire

Earth continuity conductor

Both phased and neutral wire

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) A 3 phase, 6 pole induction motor operates on 440 V, 50 Hz, supply. If the actual speed of the motor is 960 rpm the slip will be

DGVCL Exam Paper (11-12-2011) The advantage of slipring induction motor over the squirrel cage induction motor is

DGVCL Exam Paper (11-12-2011) What type of insulator is used if the direction of the transmission line is to be changed?

DGVCL Exam Paper (11-12-2011) The mutual inductance between two unity coupled coils of 9 H and 4 H is

DGVCL Exam Paper (11-12-2011) Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct?

DGVCL Exam Paper (11-12-2011) A fuse is inserted in

DGVCL Exam Paper (11-12-2011)
A 3 phase, 6 pole induction motor operates on 440 V, 50 Hz, supply. If the actual speed of the motor is 960 rpm the slip will be

DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

DGVCL Exam Paper (11-12-2011)
What type of insulator is used if the direction of the transmission line is to be changed?

DGVCL Exam Paper (11-12-2011)
The mutual inductance between two unity coupled coils of 9 H and 4 H is

DGVCL Exam Paper (11-12-2011)
Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct?

DGVCL Exam Paper (11-12-2011)
A fuse is inserted in