• 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
To eliminate 5th harmonic in the induced voltage phase breadth should be

 30°
 18°
 36°
 72°

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC series generator, the terminal voltage with increase in load will

 remain nearly constant
 increase to rated voltage and then may decrease
 increase gradually and then stay at rated voltage
 decrease

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Maximum efficiency will occur, when copper loss is_______to iron loss?

 equal to
 less than
 greater than
 any of the above

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Scott connections are used for

 three phase to two phase transformation.
 single phase to three phase transformation.
 three phase to single phase transformation.
 any of the above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The core flux in transformer depends mainly on

 supply voltage and load
 supply voltage and frequency
 supply voltage, frequency and load
 supply voltage

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Maximum allowable moisture content of power transformer insulating oil is generally taken as

  35 ppm.
 20 ppm.
 45 ppm.
 25 ppm.

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
↑