Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

SSC JE Electrical 2018 with solution SET-1
Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

51

84

78

65

51

84

78

65

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SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

Current source

Voltage source

Resistors

Battery

Current source

Voltage source

Resistors

Battery

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SSC JE Electrical 2018 with solution SET-1
In a synchronous motor which loss varies with the load?

Core Loss

Windage loss

Bearing friction Loss

Copper Loss

Core Loss

Windage loss

Bearing friction Loss

Copper Loss

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SSC JE Electrical 2018 with solution SET-1
If the field of a DC shunt motor gets opened while the motor is running, then the

The motor will attain the dangerously high speed

Motor will become slow

Armature current will drop

Armature will oscillate about original speed as the mean speed

The motor will attain the dangerously high speed

Motor will become slow

Armature current will drop

Armature will oscillate about original speed as the mean speed

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SSC JE Electrical 2018 with solution SET-1
The process of adding, impurities to a semiconductor is known as___

Doping

Pugging

Instrusion

Polling

Doping

Pugging

Instrusion

Polling

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SSC JE Electrical 2018 with solution SET-1
A hysteresis Motor

Need DC excitation

Is not a self-starting motor

Is a constant speed motor

Can not be run in reverse speed

Need DC excitation

Is not a self-starting motor

Is a constant speed motor

Can not be run in reverse speed

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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

SSC JE Electrical 2018 with solution SET-1 Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1 In a synchronous motor which loss varies with the load?

SSC JE Electrical 2018 with solution SET-1 If the field of a DC shunt motor gets opened while the motor is running, then the

SSC JE Electrical 2018 with solution SET-1 The process of adding, impurities to a semiconductor is known as___

SSC JE Electrical 2018 with solution SET-1 A hysteresis Motor

SSC JE Electrical 2018 with solution SET-1
Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

SSC JE Electrical 2018 with solution SET-1
Which one of the following is a passive element to an electric circuit?

SSC JE Electrical 2018 with solution SET-1
In a synchronous motor which loss varies with the load?

SSC JE Electrical 2018 with solution SET-1
If the field of a DC shunt motor gets opened while the motor is running, then the

SSC JE Electrical 2018 with solution SET-1
The process of adding, impurities to a semiconductor is known as___

SSC JE Electrical 2018 with solution SET-1
A hysteresis Motor