______starting method CANNOT be used for starting a 3-phase squirrel cage induction motor

SSC JE Electrical 2019 with solution SET-1
______starting method CANNOT be used for starting a 3-phase squirrel cage induction motor

Rotor-resistance

Star-delta

Auto-transformer

Direct-on-line

Rotor-resistance

Star-delta

Auto-transformer

Direct-on-line

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SSC JE Electrical 2019 with solution SET-1
If an alternator is operating at unity power factor, then its terminal voltage is

Less than the induced EMF, with negative regulation

Equal to the induced EMF, with zero voltage regulation

Less than the induced EMF, with positive voltage regulation

Greater than the induced EMF, with negative voltage regulation

Less than the induced EMF, with negative regulation

Equal to the induced EMF, with zero voltage regulation

Less than the induced EMF, with positive voltage regulation

Greater than the induced EMF, with negative voltage regulation

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SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

Ambient temperature

The volume of a material

Frequency

Steinmetz co-efficient of material

Ambient temperature

The volume of a material

Frequency

Steinmetz co-efficient of material

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SSC JE Electrical 2019 with solution SET-1
Which of the following is the correct relation regarding coupled coils?

M ≤ (L1L2)0.5

M = (L1 + L2)/2

M = (L1 − L2)/2

M > (L1L2)0.5

M ≤ (L1L2)0.5

M = (L1 + L2)/2

M = (L1 − L2)/2

M > (L1L2)0.5

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SSC JE Electrical 2019 with solution SET-1
The below symbol which is used in single line diagrams represents

Potential transformer

Circuit breaker

Current transformer

Power transformer

Potential transformer

Circuit breaker

Current transformer

Power transformer

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SSC JE Electrical 2019 with solution SET-1
P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Meter per hour

Square meter per second

Cubic meter per second

Meter per second

Meter per hour

Square meter per second

Cubic meter per second

Meter per second

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 ______starting method CANNOT be used for starting a 3-phase squirrel cage induction motor

SSC JE Electrical 2019 with solution SET-1 If an alternator is operating at unity power factor, then its terminal voltage is

SSC JE Electrical 2019 with solution SET-1 Hysteresis loss is NOT a function of

SSC JE Electrical 2019 with solution SET-1 Which of the following is the correct relation regarding coupled coils?

SSC JE Electrical 2019 with solution SET-1 The below symbol which is used in single line diagrams represents

SSC JE Electrical 2019 with solution SET-1 P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

SSC JE Electrical 2019 with solution SET-1
______starting method CANNOT be used for starting a 3-phase squirrel cage induction motor

SSC JE Electrical 2019 with solution SET-1
If an alternator is operating at unity power factor, then its terminal voltage is

SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

SSC JE Electrical 2019 with solution SET-1
Which of the following is the correct relation regarding coupled coils?

SSC JE Electrical 2019 with solution SET-1
The below symbol which is used in single line diagrams represents

SSC JE Electrical 2019 with solution SET-1
P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is: