• 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
From no load to full load the slip will

 slightly decrease.
 slightly increase.
 not change.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Crawling in an induction motor is due to

  space harmonics produced by winding currents.
  insufficient starting torque.
  time harmonics in supply.
  slip ring rotor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Lamination of core are generally made of

 silicon steel.
 stainless steel.
 carbon.
 cast iron.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The wattage rating of a ceiling fan motor will be

 250 - 500 W.
 10 - 20 W.
  50 - 150 W.
 200 - 250 W.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When the mechanical power is developed by a DC motor maximum

 Back emf is equal.
  Back emf is equal to half of applied voltage.
 None of above.
 back emf is equal to applied voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A large series motor is never started without some mechanical on it because otherwise it will

 Produce sparking at brushes.
 Open fuse or circuit breaker.
 Draw too much current.
  Develop excessive speed and damage itself.

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
↑