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?

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

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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

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

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SSC JE Electrical 2019 with solution SET-2
If the AC voltage and current are given by the following expressions?
v = 200sin (314t — 60°)
i = 50sin (720t), then what is the phase relation between them?

Voltage leads current by 60°
Voltage and current are in phase
Can’t be determined
Voltage lags current by 60°

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SSC JE Electrical 2019 with solution SET-2
 If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an

Isolation transformer
Current transformer
Power transformer
Potential transformer

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