• 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 maximum torque in an induction motor depends on

Frequency
All of the listed here
Rotor inductive reactance
Square of supply voltage

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The condition of induction motor at stand still resemble those of a transformer whose secondady is _______

Short circuited
Open circuited
Supplying a variable resistive load
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The efficiency of an induction motor can be expected to be nearly

80 to 90%
99%
95 to 98 %
60 to 90%

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
The crawling in an induction motor is caused by

Improper design of machine
High loads
Harmonics developed in the rotor
Low voltage supply

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
Very large 3-phase induction motors (greater than 25 HP) are started _____

None of the listed here
Star-delta starting
By auto transformer starting
Direct on line

ANSWER DOWNLOAD EXAMIANS APP

Three Phase Induction Motors
In medium sized induction motor, the slip is generally around

14%
0.04 %
4 %
0.4 %

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
↑