• 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
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 _______

20 W
200 W
980 W
500 W

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The speed of a squirrel cage induction motor is changed by

Cascade control
None of the listed here
Rheostatic control
Pole changing

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
If a 3-phase induction motor is running at slip S, then rotor copper loss is equal to

None of the listed here
S × rotor input
(1-S) × rotor input
(1+S) × rotor input

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______

Is decreased
Is increased
Remains unchanged
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The starting torque of a 3-phase induction motor is _______ supply voltage.

Independent of
Directly proportional to sqaure of
Directly proportional to
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The number of slip rings on a squirrel cage induction motor is usually

Two
One
Three
None

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
↑