• 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 shaft of an induction motor is made of

Cast iron
Stainless steel
High speed steel
Carbon steel

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The full load slip of a 3-phase induction motor ranges from

None of the listed here
2 to 5 %
10 to 20 %
20 to 30 %

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
In an induction motor if air gap increased

Copper loss will reduce
The power factor will be low
Bearing friction will reduce
Windage losses will be more

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
3-phase wound rotor morors are also called _____ motors.

Commutator
Synchronous
Series
Slip ring

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
Bigger
Same
Any of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The speed of a squirrel-cage induction motor can be controlled by all of the following except

Changing number of poles
Reducing supply voltage
Changing supply frequency
Changing winding resistance

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
↑