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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 Which of the following voltage range is used in medium transmission lines?

50 kV to 200 kV
Less than 20 kV
20 kV to 100 kV
More than 200 kV

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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 ⁄ (1 + S)
R2 ⁄ (2 − S)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
Reflected Light/Incident Light =

Waste light factor
Reflection factor
Absorption factor
Maintenance factor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

0.637 × maximum value
2 × maximum value
0.5 × maximum value
√2 × maximum value

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To improve the starting performance of the motor
To protect the motor from overloading
To out in the capacitor during running conditions
To cut-off the starting winding at an appropriate instant

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP
MORE MCQ ON SSC JE Electrical 2019 with solution SET-1