SINGLE PHASE INDUCTION MOTOR

SINGLE PHASE INDUCTION MOTOR

Professional Development

15 Qs

quiz-placeholder

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SINGLE PHASE INDUCTION MOTOR

SINGLE PHASE INDUCTION MOTOR

Assessment

Quiz

Physics, Professional Development

Professional Development

Practice Problem

Hard

Created by

Revathi M

Used 16+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What creates a rotating magnetic field in an induction motor?

The angular speed of the motor

Three phase current flowing in the rotor

Three phase current flowing in the stator

A single phase current flowing in both the rotor and the stator

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A single phase induction motor employs ________rotor

squirrel cage

wound

either squirrel cage or wound

none

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The purpose of starting winding in a single phase induction motor is to_____

reduce losses

limit temperature rise of the machine

produce rotating flux in conjunction with main winding

none

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The direction of rotation of a single phase motor may be achieved by

changing over the supply phase and neutral

reversing the connections to both start and run windings

reversing the connections to either start or run windings

reversing the connections to the centrifugal switch.

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What component is required to control the starting capacitor in a single phase induction motor?

shunt coil

thermal trip

discharge resistor

centrifugal switch

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a split-phase motor, the running winding should have

High resistance and low inductance

High resistance and High inductance

Low resistance and high inductance

Low resistance and low inductance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the capacitor of a single-phase motor is short-circuited

The motor will not start

The motor will run in the same direction at a reduced speed

The motor will run in the reverse direction

None of the above

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