Anuradha Gaikwad

The Machine which convert Mechanical Energy into electrical is called as ___

• Alternator

• Generator

• Motor

• Condenser

Slip Ring Induction motor is used where ____ is required

• Power factor correction

• Speed control

• Large load

• constant speed

Synchronous Motor is a ______

• Singly excited system

• DC excited system

• Doubly excited system

• AC excited system

Which type of synchronous machine is used for power factor correction?

• Synchronous motor

• Synchronous generator

• Induction motor

• DC motor

What is the main advantage of a synchronous machine over an induction machine?

• Higher efficiency

• Lower cost

• Simple construction

• Variable speed operation

What is the primary advantage of a synchronous motor over an induction motor?

• Higher efficiency

• Lower cost

• Simple construction

• Variable speed operation

What is the function of the rotor in an induction motor?

• To provide mechanical support

• To generate the magnetic field

• To convert electrical energy into mechanical energy

• To induce current in the stator

How does an induction motor start initially?

• By applying a DC voltage to the stator

• By applying a high-frequency signal to the rotor

• By self-induction due to the rotating magnetic field

• By using a starting capacitor

What is the role of the stator in an induction motor?

• To provide mechanical support

• To convert electrical energy into mechanical energy

• To generate the magnetic field

• To induce current in the rotor

What is the function of the stator in a synchronous motor?

• To provide mechanical support

• To convert electrical energy into mechanical energy

• To generate the magnetic field

• To induce current in the rotor