• 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
Armature resistance control method is used for the _______ ?

 below rated speed
 both 1 and 2
 above rated speed
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is

 27 A.
  13.5 A.
 11.5 A.
 23 A.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an ideal DC generator the regulation is

 high.
 positive.
 zero.
 low.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A simple method of increasing the voltage of a DC generator is to

 increase the source frequency.
 increase the number of turns in field coil.
  increase the speed of shaft rotation.
 increase the number of turns in armature coil.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a transformer to be tested at full load conditions but consuming only losses from the main, we do

 OC and SC tests
 load test
 back to back test
None of these

ANSWER DOWNLOAD EXAMIANS APP

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

 less than
 greater than
 any of the above
 equal to

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
↑