• 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
 50 Hz
 0 Hz
 25 Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The DC compound motors are generally

 None of these.
 Differentical compound.
 Level Compound.
 Cummulative compound.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous motor hunting can be reduced to minimum possible by

  any of above methods.
  designing the motor for adequate synchronizing power.
  providing damper winding in the rotor pole faces.
  using a flywheel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A transformer has maximum efficiency at 3/4 load. The ratio of iron loss and full load copper loss is

 3/4.
 9/16.
 4/3.
 16/9.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In auto transformer if the turn ratio is K, what is the power transferred inductively?

 (1-K) × input power
 both A and B
None of these
 K × input power

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is

 32.
 8.
  4.
 16.

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
↑