SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1
Identify the INCORRECT statement with regards to synchronous motors

The armature winding is placed on the stator

It is a constant speed motor

The field winding is placed on the rotor

It is a self-starting machine

The armature winding is placed on the stator

It is a constant speed motor

The field winding is placed on the rotor

It is a self-starting machine

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SSC JE Electrical 2019 with solution SET-1
The below symbol which is used in single line diagrams represents

Circuit breaker

Potential transformer

Power transformer

Current transformer

Circuit breaker

Potential transformer

Power transformer

Current transformer

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SSC JE Electrical 2019 with solution SET-1
When the only current source is active in the circuit, find the current through the 10Ω resistor

1.66 A

0.66 A

1.33 A

0 A

1.66 A

0.66 A

1.33 A

0 A

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SSC JE Electrical 2019 with solution SET-1
The output of the logic circuit given below represents the gate.

NAND

OR

AND

NOR

NAND

OR

AND

NOR

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SSC JE Electrical 2019 with solution SET-1
The ratio of average energy demand to maximum demand during a specific period in

Utilization factor

Load factor

Power factor

Form factor

Utilization factor

Load factor

Power factor

Form factor

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SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

Eddy current loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Hysteresis loss and frictional loss

Eddy current loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Hysteresis loss and frictional loss

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