SSC JE Electrical 2019 with solution SET-2
Lower efficiency, lower power factor, are the features of which of the following motors?

DC shunt motor
Single-phase induction motor
Three-phase induction motor
Three-phase synchronous motor

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SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

8
4
1
2

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SSC JE Electrical 2019 with solution SET-2
Four options have been given, out of which three are alike in some manner and one is different. Select the odd one?

Electric flux
Potential difference
Electrical potential
Electromotive force

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SSC JE Electrical 2019 with solution SET-2
In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

Equal to zero
Less than 0.5
Equal to 0.5
Greater than 0.5

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SSC JE Electrical 2019 with solution SET-2
Identify the correct statement regarding a nuclear power plant?

Graphite is used as an electrode
Graphite is used as fuel
Graphite is used as a moderator
Graphite is used as a coolant

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