If an alternator is operating at unity power factor, then its terminal voltage is

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 positive voltage regulation

Less than the induced EMF, with negative regulation

Greater than the induced EMF, with negative voltage regulation

Equal to the induced EMF, with zero voltage regulation

Less than the induced EMF, with positive voltage regulation

Less than the induced EMF, with negative regulation

Greater than the induced EMF, with negative voltage regulation

Equal to the induced EMF, with zero voltage regulation

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SSC JE Electrical 2019 with solution SET-1
With the current direction marked in the circuit shown, the net voltage applied is

(V2 − V1)

V2

V1

−(V2 − V1)

(V2 − V1)

V2

V1

−(V2 − V1)

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SSC JE Electrical 2019 with solution SET-1
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (ωT)/60

Pmech = (2πωT)

Pmech = (2πωT)/60

Pmech = ωT

Pmech = (ωT)/60

Pmech = (2πωT)

Pmech = (2πωT)/60

Pmech = ωT

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SSC JE Electrical 2019 with solution SET-1
If admittance Y= a + jb, then a =?

Resistance

Conductance

Susceptance

Reactance

Resistance

Conductance

Susceptance

Reactance

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SSC JE Electrical 2019 with solution SET-1
Which of the following should be used under no-load conditions?

Isolator

Rewireable fuse

Circuit breaker

Air-break switch

Isolator

Rewireable fuse

Circuit breaker

Air-break switch

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SSC JE Electrical 2019 with solution SET-1
Hunting occurs in a/an motor

DC shunt

DC series

Synchronous

Induction

DC shunt

DC series

Synchronous

Induction

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SSC JE Electrical 2019 with solution SET-1

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 With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

SSC JE Electrical 2019 with solution SET-1 If admittance Y= a + jb, then a =?

SSC JE Electrical 2019 with solution SET-1 Which of the following should be used under no-load conditions?

SSC JE Electrical 2019 with solution SET-1 Hunting occurs in a/an 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
With the current direction marked in the circuit shown, the net voltage applied is

SSC JE Electrical 2019 with solution SET-1
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

SSC JE Electrical 2019 with solution SET-1
If admittance Y= a + jb, then a =?

SSC JE Electrical 2019 with solution SET-1
Which of the following should be used under no-load conditions?

SSC JE Electrical 2019 with solution SET-1
Hunting occurs in a/an motor