In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

SSC JE Electrical 2018 with solution SET-1
In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

No Change

Twice

Half

Four Times

No Change

Twice

Half

Four Times

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SSC JE Electrical 2018 with solution SET-1
The unit of luminous flux is

Steradian

Lumen

Lux

Candela

Steradian

Lumen

Lux

Candela

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SSC JE Electrical 2018 with solution SET-1
If a fixed amount of power is to be transmitted over a certain length with the fixed power loss then_____,

The weight of the conductor required will be inversely proportional to the voltage and that of the power factor of the load

The weight of the conductor will be proportional to the square of the voltage and directly proportional to the power factor of the load.

The weight of the conductor required will be proportional to the voltage

The weight of the conductor required will be inversely proportional to the square of the voltage and that of the power factor of the load

The weight of the conductor required will be inversely proportional to the voltage and that of the power factor of the load

The weight of the conductor will be proportional to the square of the voltage and directly proportional to the power factor of the load.

The weight of the conductor required will be proportional to the voltage

The weight of the conductor required will be inversely proportional to the square of the voltage and that of the power factor of the load

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SSC JE Electrical 2018 with solution SET-1
Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 15 Wb and the produced MMF is 30 Amp-turns

1

3

2

4

1

3

2

4

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SSC JE Electrical 2018 with solution SET-1
Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

6.25

8.84

7.92

5.75

6.25

8.84

7.92

5.75

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SSC JE Electrical 2018 with solution SET-1
On which of the following parameters the eddy current loss occurring in a material does not depend?

The volume of the material

Susceptibility

The frequency of variation of flux

Magnetic flux Density

The volume of the material

Susceptibility

The frequency of variation of flux

Magnetic flux Density

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

SSC JE Electrical 2018 with solution SET-1 The unit of luminous flux is

SSC JE Electrical 2018 with solution SET-1 If a fixed amount of power is to be transmitted over a certain length with the fixed power loss then_____,

SSC JE Electrical 2018 with solution SET-1 Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 15 Wb and the produced MMF is 30 Amp-turns

SSC JE Electrical 2018 with solution SET-1 Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

SSC JE Electrical 2018 with solution SET-1 On which of the following parameters the eddy current loss occurring in a material does not depend?

SSC JE Electrical 2018 with solution SET-1
In a synchronous motor running with the fixed excitation, when the load is increased two times, its torque angle becomes approximately

SSC JE Electrical 2018 with solution SET-1
The unit of luminous flux is

SSC JE Electrical 2018 with solution SET-1
If a fixed amount of power is to be transmitted over a certain length with the fixed power loss then_____,

SSC JE Electrical 2018 with solution SET-1
Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 15 Wb and the produced MMF is 30 Amp-turns

SSC JE Electrical 2018 with solution SET-1
Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

SSC JE Electrical 2018 with solution SET-1
On which of the following parameters the eddy current loss occurring in a material does not depend?