• 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
In a 3 phase induction motor, the rotor speed is _____ the synchronous speed.

Greater than
None of the listed here
Equal to
Smaller than

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The maximum torque of a 3-phase induction motor under running conditions is

Inveresly proportional to supply voltage
inversely proportional to rotor reactance at standstill
None of the listed here
Directly proportional to rotor resistance

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 _______

20 W
980 W
200 W
500 W

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
An induction motor is so called because its operation depends on

Eddy currents
Mutual induction
Self induction
Hysteresis

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
If the supply voltage of a 3-phase induction motor is increased two times, then torque is _______

Increased two times
Increased four times
Decreased four times
Decreased two times

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
An induction motor is preferred to a dc motor because it _______

Provides fine speed control
Has simple and rugged construction
Provides high starting torque
None 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
↑