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

2 × maximum value
0.5 × maximum value
0.637 × 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

SSC JE Electrical 2019 with solution SET-1
 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

Voltage lags current by 30°
Voltage lags current by 45°
Voltage and current are in phase with each other
Voltage leads current by 45°

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Gas power plant
Nuclear power plant
Thermal power plant
Hydro-electric power plant

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

dΦ ⁄ dA
Φ × A
dA ⁄ dΦ
dΦ − dA

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