Exam 1: Single-Phase Motor

In a capacitor start motor, the phase displacement between starting and running winding can be nearly

Which of the following motors is used in mixies ?

In repulsion motor direction of rotation of motor

Short-circuiter is used in

Which of the following motor will have relatively higher power factor ?

If a particular application needs high speed and high starting torque, then which of the following motor will be preferred ?

In a split phase motor, the running winding should have

The rotor developed by a single-phase motor at starting is

In a split phase motor

Direction of rotation of a split phase motor can be reversed by reversing the connection of

In a shaded pole motor, the shading coil usually consist of

The value of starting capacitor of a fractional horse power motor will be

Which of the following motors is inherently self starting ?

Which of the following motor will give relatively high starting torque ?

A centrifugal switch is used to dis- connect 'starting winding when motor has

In a shaded pole single-phase motor, the revolving field is produced by the use of

In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to

The range of efficiency for shaded pole motors is

Burning out of windings is due to

In a single phase motor the centrifugal switch