• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Three Phase Induction Motors

Three Phase Induction Motors
The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase.

Equal to
Two times
Four times
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______

500 W
980 W
200 W
20 W

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
In a double squirrel cage induction motor, the outer cage winding has _______

High resistance
High inductance
None of the listed here
Low resistance

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
In medium sized induction motor, the slip is generally around

14%
4 %
0.04 %
0.4 %

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
A high starting torque can be obtained in a 3phase induction motor by _______

Increasing rotor reactance
Increasing rotor resistance
None of the listed here
Decreasing rotor resistance

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The crawling in an induction motor is caused by

High loads
Improper design of machine
Harmonics developed in the rotor
Low voltage supply

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Three Phase Induction Motors

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑