• 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 case of induction motors the ratio of length to pole pitch for minimum cost, is taken as

 2 to 3.
 3 to 5.
 1.0.
  1.5 to 2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance

 100Ω
 200Ω
 10Ω
 50Ω

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to

 45°.
 0°.
  75°.
 30°.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The stator frame in an induction motor is used to

  hold armature stamping in position.
  provide return path for the flux.
  ventilate the armature.
  protect the whole machine.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
No load saturation characteristics are plotted between

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
DC generator will not build up voltage

  if it has lost residual magnetism.
 due to wrong direction of rotation.
 if field resistance is more than critical resistance.
 any one of above.

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
↑