SSC JE Electrical 2018 with solution SET-1

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

Changing the frequency

Changing the supply Terminals

Changing the load

Changing the supply voltage

Changing the frequency

Changing the supply Terminals

Changing the load

Changing the supply voltage

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
What is the value of current I4 (in A) for the given junction?

4

−4

−6

6

4

−4

−6

6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Calculate the power factor of an AC circuit having the impedance of 16 Ohms, if a 4 A current flows through it and its average power consumption is 200 W.

0.98

0.88

0.78

0.68

0.98

0.88

0.78

0.68

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
The main drawback of resistance welding is

Only similar metals can be welded

None of these

Difficult shapes and sections cannot be welded

High initial as well as High maintenance cost

Only similar metals can be welded

None of these

Difficult shapes and sections cannot be welded

High initial as well as High maintenance cost

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Determine the value of produced mmf (in Amp-turns) in a coil if the coil has a 120 turns carrying a current of 0.1 A

14

12

16

18

14

12

16

18

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
In three phase induction motor maximum torque is Inversely Proportional to the

Rotor Reactance

Speed of Rotor

Decreasing Slip speed

Stator Voltage

Rotor Reactance

Speed of Rotor

Decreasing Slip speed

Stator Voltage

ANSWER DOWNLOAD EXAMIANS APP

MORE MCQ ON SSC JE Electrical 2018 with solution SET-1

↑