SSC JE Electrical 2019 with solution SET-1 If an alternator is operating at unity power factor, then its terminal voltage is Equal to the induced EMF, with zero voltage regulation Greater than the induced EMF, with negative voltage regulation Less than the induced EMF, with negative regulation Less than the induced EMF, with positive voltage regulation Equal to the induced EMF, with zero voltage regulation Greater than the induced EMF, with negative voltage regulation Less than the induced EMF, with negative regulation Less than the induced EMF, with positive voltage regulation ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10% 2.5Hz 25Hz 5Hz 50Hz 2.5Hz 25Hz 5Hz 50Hz ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given DataVoltage = 440 VFrequency = 50 HzSlip = 10% =0.1Now,Rotor frequency = slip × frequency= 0.1 × 50 = 5 Hz
SSC JE Electrical 2019 with solution SET-1 Identify the machine shown in the circuit DC short shunt compound motor DC shunt motor DC short shunt compound generator DC long shunt compound generator DC short shunt compound motor DC shunt motor DC short shunt compound generator DC long shunt compound generator ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 When the only current source is active in the circuit, find the current through the 10Ω resistor 1.66 A 1.33 A 0.66 A 0 A 1.66 A 1.33 A 0.66 A 0 A ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an Induction generator Synchronous motor Synchronous generator Induction motor Induction generator Synchronous motor Synchronous generator Induction motor ANSWER DOWNLOAD EXAMIANS APP
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 × 8760) (No. of units actually supplied per month) ⁄ (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 year) ⁄ (Max. possible demand × 8760) (No. of units actually supplied per month) ⁄ (Max. possible demand × 8760) (No. of units actually supplied per year) ⁄ (Max. possible demand) ANSWER DOWNLOAD EXAMIANS APP
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