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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Winding conductors of an electrical power transformer are mainly insulated by

 cotton insulation.
 rubber insulation.
 wooden insulation.
  paper insulation.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW?

 45 HZ
 48 Hz
 48.5 Hz
 50 Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
stepped cores are used in transformers in order to reduce

 reluctance of core.
 volume of copper.
 iron loss.
 volume of iron.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Consider the following statements : 1. interpole windings are connected in series with armature windings 2. polarity of interpoles must be the same as that of the main poles in advance 3. distortion of the main field under the pole shoes is not affected by the use of interpoles From above, the correct answer is

 1 and 2
 2 and 3
 1 alone
 1 and 3

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Eddy current loss will depends on

 Flux density
 Thickness
 Frequency
All of these

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
↑