• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electrical Machines

Electrical Machines
Which of the following represents the operating region of slip in a 1-phase induction motor?

 -2 < S < 2
 -1 < S < 1
 0 < S < 2
 0 < S < 1

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When maximum starting torque is obtained, rotor power is

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A smaller air gap in a induction motor helps to

 reduce the chance of crawling.
 reduce the chance of cogging.
 reduce the magnetizing current.
 increase the starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature resistance control method is also called as-----------?

 constant power control
 constant current control
 constant torque control
 constant voltage control

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which type of bearing is provided in small induction motors to support the rotor shaft?

  Ball bearings.
  Bush bearings.
None of these
  Cast iron bearings.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following is/are effects of armature reaction?

 increases the design cost
 increase the iron loss
 increase the maintenance and repair
All of these

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electrical Machines

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
↑