SSC JE Electrical 2019 with solution SET-2
The total number of possible phase sequences for a three-phase AC system is ____

2
1
0
3

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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 0.5
Equal to zero
Greater than 0.5
Less than 0.5

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

Solar power plant
Hydro-electric power plant
Nuclear power plant
Thermal power plant

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SSC JE Electrical 2019 with solution SET-2
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

0.015 H
1.5 H
0.15 H
0.125 H

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SSC JE Electrical 2019 with solution SET-2
The scheduled speed of a train is______

Equal to average speed
Equal to maximum speed
Always less than the average speed
Always greater than the average speed

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