SSC JE Electrical 2019 with solution SET-2 The change in DC excitation of a synchronous motor will also change the Load angle Supply voltage Speed of the motor Power factor Load angle Supply voltage Speed of the motor Power factor ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-2 If the number of poles in an 11 KV transmission line is 80, then how many disc insulators are required? 80 160 6 240 80 160 6 240 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No of disc required for 11 kV transmission line = 1 discSince the transmission line is 3-phase, therefore, the number of discs required for a single-pole will be 3.Total no. of poles = 80No of disc = 3 × 80 = 240
SSC JE Electrical 2019 with solution SET-2 If a zero-centered voltmeter has a scale from 5V to − 5V, then the span of it is 10V 0 V −5 V 5 V 10V 0 V −5 V 5 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage Scale Span of instrument = Vmax − VminGivenVmax = 5 VVmin = −5VSpan = 5 −(−5) = 10 V
SSC JE Electrical 2019 with solution SET-2 The water hammer effect is expected in a Draft tube Penstock Turbine casing Surge tank Draft tube Penstock Turbine casing Surge tank ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-2 1 kcal is approximately equal to 4.2 joules 420 joules 420 watt-hour 4200 watt-sec 4.2 joules 420 joules 420 watt-hour 4200 watt-sec ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 kcal = 4200 JWatt = Joule/Sjoule = watt/sec4200 joule = 4200 watt-sec
SSC JE Electrical 2019 with solution SET-2 A coil of 360 turns is linked by a flux of 200 μWb. If the flux is reversed in 0.01 second, then find the EMF induced in the coil? 7.2 V 14.4 V 144 V 0.72 V 7.2 V 14.4 V 144 V 0.72 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given
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