When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

Induction generator

Induction motor

Synchronous motor

Synchronous generator

Induction generator

Induction motor

Synchronous motor

Synchronous generator

ANSWER DOWNLOAD EXAMIANS APP

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

To protect the motor from overloading

To out in the capacitor during running conditions

To improve the starting performance of the motor

To cut-off the starting winding at an appropriate instant

To protect the motor from overloading

To out in the capacitor during running conditions

To improve the starting performance of the motor

To cut-off the starting winding at an appropriate instant

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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)/60

Pmech = ωT

Pmech = (2πωT)

Pmech = (2πωT)/60

Pmech = (ωT)/60

Pmech = ωT

Pmech = (2πωT)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

1-phase induction motors

Un-excited synchronous motors

A.C. series motors

Repulsion motors

1-phase induction motors

Un-excited synchronous motors

A.C. series motors

Repulsion motors

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
In a capacitor start single phase induction motor the current in the:

Supply lines lead the voltage

The main winding leads the voltage

Starting winding lags the voltage

Starting winding leads the voltage

Supply lines lead the voltage

The main winding leads the voltage

Starting winding lags the voltage

Starting winding leads the voltage

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
______ Opposes the change in circuit voltage

Inductive reactance

Resistance

Inductance

Capacitance

Inductive reactance

Resistance

Inductance

Capacitance

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an

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

SSC JE Electrical 2019 with solution SET-1 In a capacitor start single phase induction motor the current in the:

SSC JE Electrical 2019 with solution SET-1 ______ Opposes the change in circuit voltage

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

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

SSC JE Electrical 2019 with solution SET-1
In a capacitor start single phase induction motor the current in the:

SSC JE Electrical 2019 with solution SET-1
______ Opposes the change in circuit voltage