• 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
A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is

 100 Hz
 25 Hz
 50 Hz
 0 Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Transformer action requires a

 increasing magnetic flux.
 alternating electric flux.
 alternating magnetic lux.
 constant magnetic flux.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The flux is maximum in the following part of a DC motor:

 under leading pole tip.
 under the interpole.
 under trailing pole tip.
 pole core.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
From no load to full load the slip will

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Synchronising power of a synchronous motor varies

 directly as Xs2
All of these
 inversely as 1/Xs
 directly as synchronous reactances Xs

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following is not a part of transformer?

 Radiator.
 Conservator tank.
 Tap changer.
  Commutator.

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
↑