Split-phase, capacitor, and shaded-pole single-phase motors classified as:

SSC JE Electrical 2019 with solution SET-1
Split-phase, capacitor, and shaded-pole single-phase motors classified as:

A.C. series motors

1-phase induction motors

Un-excited synchronous motors

Repulsion motors

A.C. series motors

1-phase induction motors

Un-excited synchronous motors

Repulsion motors

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SSC JE Electrical 2019 with solution SET-1
What is the reason behind using a centrifugal switch in a single-phase induction motor?

To cut-off the starting winding at an appropriate instant

To improve the starting performance of the motor

To out in the capacitor during running conditions

To protect the motor from overloading

To cut-off the starting winding at an appropriate instant

To improve the starting performance of the motor

To out in the capacitor during running conditions

To protect the motor from overloading

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SSC JE Electrical 2019 with solution SET-1
The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

Disc efficiency

String efficiency

Transmission line efficiency

Insulator efficiency

Disc efficiency

String efficiency

Transmission line efficiency

Insulator efficiency

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SSC JE Electrical 2019 with solution SET-1
In the circuit shown, find the equivalent resistance between A and B.

100 ohm

150 ohm

50 ohm

75 ohm

100 ohm

150 ohm

50 ohm

75 ohm

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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 = (2πωT)/60

Pmech = ωT

Pmech = (ωT)/60

Pmech = (2πωT)

Pmech = (2πωT)/60

Pmech = ωT

Pmech = (ωT)/60

Pmech = (2πωT)

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SSC JE Electrical 2019 with solution SET-1
Which motor is referred to as a universal motor?

Shunt

Series

Synchronous

Single-phase induction

Shunt

Series

Synchronous

Single-phase induction

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Split-phase, capacitor, and shaded-pole single-phase motors classified as:

SSC JE Electrical 2019 with solution SET-1 What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

SSC JE Electrical 2019 with solution SET-1 In the circuit shown, find the equivalent resistance between A and B.

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 Which motor is referred to as a universal motor?

SSC JE Electrical 2019 with solution SET-1
Split-phase, capacitor, and shaded-pole single-phase motors classified as:

SSC JE Electrical 2019 with solution SET-1
What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1
The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

SSC JE Electrical 2019 with solution SET-1
In the circuit shown, find the equivalent resistance between A and B.

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
Which motor is referred to as a universal motor?