Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

SSC JE Electrical 2018 with solution SET-1
Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

78

51

65

84

78

51

65

84

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Bucholz relay is operated by

Gas pressure

Eddy currents

Electromagnetic Induction

Electrostatic Induction

Gas pressure

Eddy currents

Electromagnetic Induction

Electrostatic Induction

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Which one of the following is the S.I unit of the magnetic field strength?

Ampere/Meter

Weber

Tesla

Ampere-Meter

Ampere/Meter

Weber

Tesla

Ampere-Meter

ANSWER DOWNLOAD EXAMIANS APP

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

Changing the supply voltage

Changing the load

Changing the supply Terminals

Changing the frequency

Changing the supply voltage

Changing the load

Changing the supply Terminals

Changing the frequency

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Power consumed by a balanced star connected 3-phase load is measured using the two-wattmeter method. The phase voltage and phase current in the load is 220V and 10 A respectively. What will be the difference in reading (in W) of the two wattmeters, if the power factor of the system is 0.8 Lagging?

3048.4

2286.3

2861.2

3810.5

3048.4

2286.3

2861.2

3810.5

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

16

14

12

10

16

14

12

10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1 Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

SSC JE Electrical 2018 with solution SET-1 Bucholz relay is operated by

SSC JE Electrical 2018 with solution SET-1 Which one of the following is the S.I unit of the magnetic field strength?

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

SSC JE Electrical 2018 with solution SET-1 Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns

SSC JE Electrical 2018 with solution SET-1
Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show reading of 200 W and 1200 W respectively

SSC JE Electrical 2018 with solution SET-1
Bucholz relay is operated by

SSC JE Electrical 2018 with solution SET-1
Which one of the following is the S.I unit of the magnetic field strength?

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

SSC JE Electrical 2018 with solution SET-1
Determine the flux (in Wb) through a coil when the reluctance of the coil is 4 Amp-turns/Wb and the produced mmf is 48 Amp-turns