• 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
Motors for fans and pumps are selected in the rpm range

  1440 to 2880.
  375 to 500.
  720 to 920.
  500 to 720.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively?

 10 KVA
 4 KVA
 0 KVA
 6 KVA

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following starter is sufficient to start the DC series motor ?

 3 point starter
All of these
 2 point starter
 4 point starter

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be

 reduced by 20%
 increased by 10%
 reduced by 10%
 increased by 20%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For very sensitive and wide speed control, the preferable control method is

 Ward-Leonard control.
 Armature control.
 Multiple voltage control.
 Field control.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Wave winding is employed in DC machine of

  low current and high voltage rating.
 high current and low voltage rating.
 low current and low voltage rating.
 high current and low voltage rating.

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
↑