• 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 DC motors, under trailing pole tips, flux density will_______ ?

 decrease
None of these
 increase
 either increase or decrease

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature of DC machine is made of

 silicon steel.
 insulating material.
 non-ferrous material.
 conducting material.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The noise resulting from vibrations of lamination set by magnetic forces, is termed as

 zoom.
  hum.
 magnetostriction.
 boo.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Compensating winding is placed in the

 main field
 armature core
All of these
 pole shoe

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used.

  None of above.
  Any of above method.
  Ward Leonard control.
  Rheostatic control.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss?

 100W
 80W
 40W
 60W

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
↑