• 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
In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called

  slip.
  cogging.
  skewing.
  crawling.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When operating, two or more transformers in parallel, % impedance of these transformers should be

 proportionate to MVA rating of transformers.
 such that actual impedance of all transformers would be same.
 inversely proportional to MVA rating of transformers.
  same.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following is/are the advantages of carbon brush over the copper brush?

 They are not hard as copper brush
 In case of any sparking they will be less damaged than copper brushes
All of these
 They are self lubricating in nature

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Thin laminations are used in a machine in order to reduce

 Both 1 and 2
 Copper losses
 Eddy current losses
 Hysteresis losses

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Value of specific electric loading of Induction motor is in the range of

  400 - 4000 ampere conductor / metre.
  5000 - 45000 ampere conductor / metre.
 40 - 400 ampere conductor / metre.
 30000 - 100000 ampere conductor / metre.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is power factor of a 3 - φ induction motor at no load?

  Low.
  Same as full load.
  Equal to 1.
  High.

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
↑