SSC JE Electrical 2019 with solution SET-1
 The meter constant of an energy meter will be given in:

kW/Revolutions
Revolutions/kWh
kWh/Revolutions
Revolutions/kW

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (2πωT)/60
Pmech = (2πωT)
Pmech = ωT
Pmech = (ωT)/60

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SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Lagging
Zero
Leading
Unity

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SSC JE Electrical 2019 with solution SET-1
The annual load factor of a generation station is equal to

(No. of units actually supplied per year) ⁄ (Max. possible demand)
(No. of units actually supplied per year) ⁄ (Max. possible demand)
(No. of units actually supplied per year) ⁄ (Max. possible demand × 8760)
(No. of units actually supplied per month) ⁄ (Max. possible demand × 8760)

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SSC JE Electrical 2019 with solution SET-1
 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D1, D2
D4, D1
D2, D3
D3, D4

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