The total number of possible phase sequences for a three-phase AC system is ____

SSC JE Electrical 2019 with solution SET-2
The total number of possible phase sequences for a three-phase AC system is ____

0

2

3

1

0

2

3

1

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SSC JE Electrical 2019 with solution SET-2
Which of the following is an important feature of a 3-phase synchronous motor?

No starting torque

Low starting torque

Low starting current

High starting torque

No starting torque

Low starting torque

Low starting current

High starting torque

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SSC JE Electrical 2019 with solution SET-2
In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

Equal to zero

Less than 0.5

Greater than 0.5

Equal to 0.5

Equal to zero

Less than 0.5

Greater than 0.5

Equal to 0.5

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SSC JE Electrical 2019 with solution SET-2
The candle power of a lamp placed normal to a working plane is 60 CP. Find the distance if the illumination is 15 lux?

4 meters

2.5 meters

1.5 meters

2 meters

4 meters

2.5 meters

1.5 meters

2 meters

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SSC JE Electrical 2019 with solution SET-2
A circuit consists of two parallel resistors, having a resistance of 20Ω and 30Ω respectively connected in series with 15Ω. If the current through the 15Ω resistor is 3A, then find the current through 20Ω and 30Ω resistors respectively?

1.2A, 1.8A

2A, 1 A

1A, 2A

1.8A, 1.2A

1.2A, 1.8A

2A, 1 A

1A, 2A

1.8A, 1.2A

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SSC JE Electrical 2019 with solution SET-2
Creeping is a term related to instruments?

Dynamometer type

PMMC type

Moving iron type

Induction type

Dynamometer type

PMMC type

Moving iron type

Induction type

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SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2 The total number of possible phase sequences for a three-phase AC system is ____

SSC JE Electrical 2019 with solution SET-2 Which of the following is an important feature of a 3-phase synchronous motor?

SSC JE Electrical 2019 with solution SET-2 In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

SSC JE Electrical 2019 with solution SET-2 The candle power of a lamp placed normal to a working plane is 60 CP. Find the distance if the illumination is 15 lux?

SSC JE Electrical 2019 with solution SET-2 A circuit consists of two parallel resistors, having a resistance of 20Ω and 30Ω respectively connected in series with 15Ω. If the current through the 15Ω resistor is 3A, then find the current through 20Ω and 30Ω resistors respectively?

SSC JE Electrical 2019 with solution SET-2 Creeping is a term related to instruments?

SSC JE Electrical 2019 with solution SET-2
The total number of possible phase sequences for a three-phase AC system is ____

SSC JE Electrical 2019 with solution SET-2
Which of the following is an important feature of a 3-phase synchronous motor?

SSC JE Electrical 2019 with solution SET-2
In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

SSC JE Electrical 2019 with solution SET-2
The candle power of a lamp placed normal to a working plane is 60 CP. Find the distance if the illumination is 15 lux?

SSC JE Electrical 2019 with solution SET-2
A circuit consists of two parallel resistors, having a resistance of 20Ω and 30Ω respectively connected in series with 15Ω. If the current through the 15Ω resistor is 3A, then find the current through 20Ω and 30Ω resistors respectively?

SSC JE Electrical 2019 with solution SET-2
Creeping is a term related to instruments?