• 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
Total core loss is also called as -------------?

 Hysteresis loss
 Eddy current loss
 Magnetic loss
 Copper loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If Kh is hysteresis constant, f is supply frequency, Bm maximum flux density in core of transformer, the expression of hysteresis loss in transformer, is given by

  KhfBm1.6.
 Khf2Bm1.6.
 KhfBm.
 KhfBm3.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the field of a dc shunt motor gets opened while the motor is running, then the

 motor will attain dangerously high speed
 motor will become slow.
 armature current will drop
 armature will oscillate about original speed as the mean speed

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature flux is.............with respect to main field flux or main field poles?

 stationary
 rotates same direction
 rotates opposite direction
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In above question, the output power delivered by generator G1 and G2 will be

 9.3 kW, 9.3 kW.
  6.3 kW, 9.3 kW.
 5.7 kW, 8.7 kW.
 9.6 kW, 12 kW.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The direction of rotation of a DC motor can be determent by

 Amperes law.
  Flemings left hand rule.
 Lenzs law.
 Flemings right hand rule.

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
↑