• 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
Flux density under trailing pole tips in case of generator will

 either increase or decrease
 increase
 decrease
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The current drawn by the armature of DC motor is directly proportional to

 None of above.
 The speed of motor.
 The torque required.
 The voltage across the terminals.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with

 either of these
None of these
 constant supply voltage V, starting torque Tst decreases
 constant V, Tst increases

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3- phase synchronous motor can operate over a wide range of power factors i.e. from lagging to leading power factor. This is achieved by

 changing the load.
 changing the field excitation.
 varying the speed.
 varying the applied voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following transformer insulating oil generally used in India?

 Aromatics based insulating oil.
 Naphtha based insulating oil.
 Olefin based insulating oil.
  Paraffin based insulating oil.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Hysteresis loss will depends on

 f³
 f²
 f1.6
 f

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
↑