SSC JE Electrical 2018 with solution SET-1
The speed of a synchronous motor can be changed by

Changing the supply voltage
Changing the frequency
Changing the supply Terminals
Changing the load

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
A circuit having the power factor of 0.8 consumes 40 W. What will be the value of reactive power (in VAR) of the circuit?

40
10
30
20

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 Calculate the phase angle between the voltage and current phasor of a series RL circuit having the resistance of 65 Ohms and Inductive reactance of 37.53 ohms when supplied by a frequency of 60 Hz

15°
60°
45°
30°

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Which type of insulation covering the conductor used for low voltages?

Poly-vinyl Chloride(P.V.C)
Paper
Vulcanised Indian Rubber
Cotton and silk Insulation

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 In cables, the thickness of the layer of insulation on the conductor depends upon

Voltage
Current carrying capacity
Power Factor
Reactive Power

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP