• 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

  2.5 %.
  15 %.
 10 %.
  20 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf?

 20V
 10V
 200V
 100V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H?

 2 V
 1 V
 4 V
 0 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Skewing of cage rotors offers the following advantages

  uniform torque.
  less noise.
  all of below.
  locking tendency is reduced.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
No load saturation characteristics are plotted between

 short circuit current and armature current
 short circuit current and field current
 no load voltage and field current
 no load voltage and armature current

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A commutator in dc machine provide ----------------- rectification?

 half wave controlled
 full wave controlled
 half wave
 full wave

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
↑