• 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
In DC generators, the residual magnetism is of the order of

 10 %.
  20 %.
  2.5 %.
  15 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A separately-excited DC generator, running at rated speed, has 6 volts across its armature terminals with no field current. When field winding is excited with one ampere, the voltage builds up to 250 V at no load. In case field current is reduced to zero, with the speed remaining unaltered, the armature terminal voltage would be

 more than 6 V
 less than 6 V
 6 V
 zero

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machines internal characteristics are plotted between

 Vt vs load current
 Vt vs Ia
 Eg vs Ia
 Eg vs load current

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In single phase rotary converter the number of slip rings will be

 four.
 three.
 six.
 two.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will

 remain constant.
 increase.
 decrease.
 any of the above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which slots are used in the rotor of an induction motor?

  Closed slots.
  None of above.
  Open slots.
  Semi closed slots.

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
↑