• 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
3-phase wound rotor morors are also called _____ motors.

Slip ring
Synchronous
Commutator
Series

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
Friction and windage loss of a 3 phase induction motor are

None of the listed here
Minimum at no load
Maximum at no load
Remains the same at all loads

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The no load speed of an induction motor depends on

The supply frequency
The maximum flux/poles
The number of its poles
Both supply frequency and number of poles

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The injected e.m.f. in the rotor of induction motor must have

High value for the satisfactory speed control
Zero frequency
The same frequency as the slip frequency
The same phase as the rotor e.m.f.

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
Insertion of resistance in the rotor of an induction motor to develop a given torque

Increases the rotor current
Rotor current remains same
Rotor current becomes zero
Decreases the rotor current

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
Size of a high speed motor as compared to low speed motor for the same HP will be

Smaller
Same
Bigger
Any of the listed here

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
↑