SSC JE Electrical 2019 with solution SET-1
 If an alternator is operating at unity power factor, then its terminal voltage is

Less than the induced EMF, with negative regulation
Equal to the induced EMF, with zero voltage regulation
Less than the induced EMF, with positive voltage regulation
Greater than the induced EMF, with negative voltage regulation

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SSC JE Electrical 2019 with solution SET-1
 The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

R2 ⁄ (1 + S)
R2 ⁄ S
R2 ⁄ (2 − S)
R2 ⁄ (1 − S)

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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 × 8760)
(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 month) ⁄ (Max. possible demand × 8760)

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SSC JE Electrical 2019 with solution SET-1
 In a transmission line, the voltage regulation is negative whenever receiving end voltage Vs

Greater than the sending end voltage
Less than the sending end voltage
Equal to the sending end voltage
Half of the sending end voltage

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