• 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
Hopkinson test is conducted under which of the following condition?

 no load
 half load
 any of the above
 full load

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
1 KVA, 230 V, 50 Hz, single phase transformer has an eddy current loss of 30 watts. The eddy current loss when the transformer is excited by a dc source of same voltage will be

 less than 30 W
 more than 30 W
 zero watt
 30 W

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What type of dielectric material is used in capacitors used for fans and for power factor correction?

  Glass.
  Oil impregnated paper.
  Mica.
  Vacuum.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be

 oscillating
None of these
 steady and unidirectional
 pulsating and unidirectional

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Scott connections are used for

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the flux of DC motor approaches zero, its speed will

 approach zero.
 remain unchanged.
 aprroach infinity.
 between zero and infinity.

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
↑