When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

Synchronous generator

Induction generator

Induction motor

Synchronous motor

Synchronous generator

Induction generator

Induction motor

Synchronous motor

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SSC JE Electrical 2019 with solution SET-1
Split-phase, capacitor, and shaded-pole single-phase motors classified as:

Un-excited synchronous motors

1-phase induction motors

A.C. series motors

Repulsion motors

Un-excited synchronous motors

1-phase induction motors

A.C. series motors

Repulsion motors

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

Hysteresis loss and frictional loss

Eddy current loss and frictional loss

Hysteresis loss and copper loss

Eddy current loss and hysteresis loss

Hysteresis loss and frictional loss

Eddy current loss and frictional loss

Hysteresis loss and copper loss

Eddy current loss and hysteresis loss

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SSC JE Electrical 2019 with solution SET-1
With the current direction marked in the circuit shown, the net voltage applied is

−(V2 − V1)

V1

V2

(V2 − V1)

−(V2 − V1)

V1

V2

(V2 − V1)

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SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1200 W

800 W

400 W

1600 W

1200 W

800 W

400 W

1600 W

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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

Current transformer

Potential transformer

Power transformer

Circuit breaker

Current transformer

Potential transformer

Power transformer

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1 Split-phase, capacitor, and shaded-pole single-phase motors classified as:

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

SSC JE Electrical 2019 with solution SET-1 With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

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

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1
Split-phase, capacitor, and shaded-pole single-phase motors classified as:

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

SSC JE Electrical 2019 with solution SET-1
With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

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