In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

SSC JE Electrical 2019 with solution SET-1
In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

0.9

1

0.5

0.8

0.9

1

0.5

0.8

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

1-phase induction motors

Repulsion motors

A.C. series motors

Un-excited synchronous motors

1-phase induction motors

Repulsion motors

A.C. series motors

Un-excited synchronous motors

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SSC JE Electrical 2019 with solution SET-1
The Thevenin’s resistance as seen through the terminals A and B is:

8 Ω

4 Ω

6 Ω

5 Ω

8 Ω

4 Ω

6 Ω

5 Ω

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

Synchronous motor

Induction generator

Induction motor

Synchronous generator

Synchronous motor

Induction generator

Induction motor

Synchronous generator

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SSC JE Electrical 2019 with solution SET-1
What is the reason behind using a centrifugal switch in a single-phase induction motor?

To out in the capacitor during running conditions

To protect the motor from overloading

To cut-off the starting winding at an appropriate instant

To improve the starting performance of the motor

To out in the capacitor during running conditions

To protect the motor from overloading

To cut-off the starting winding at an appropriate instant

To improve the starting performance of the motor

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SSC JE Electrical 2019 with solution SET-1
The trade name of the Nickel-Copper alloy, that is used as a heating element is:

Kanthal

Nichrome

Eureka

Steel

Kanthal

Nichrome

Eureka

Steel

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

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 The Thevenin’s resistance as seen through the terminals A and B is:

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 What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1 The trade name of the Nickel-Copper alloy, that is used as a heating element is:

SSC JE Electrical 2019 with solution SET-1
In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

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
The Thevenin’s resistance as seen through the terminals A and B is:

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
What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1
The trade name of the Nickel-Copper alloy, that is used as a heating element is: