• 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
Size of a high speed motor as compared to low speed motor for the same HP will be

Smaller
Same
Any of the listed here
Bigger

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be

20 Hz
2 Hz
50 Hz
200 Hz

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The advantage of wound rotor motor is that _______

External resistance can be inserted in the rotor circuit
It requires less maintenance
It is inexpensive
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

One
Two
None
Three

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 four times
Decreased two times
Decreased four times
Increased two times

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The 3- phase induction motor is so designed that the rotor should have ______ under running conditions.

Low resistance
Large slip
High reactance
high 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
↑