• 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
A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power?

 1820W
 1450W
 1920W
 2000W

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In synchronous motor the torque is proportional to

 1/P
 P²
 1/P²
 Power P

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer zero voltage regulation is achieved at a load power factor which is

 zero
 lagging
 leading
 unity

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In travelling cranes for crane travel, trolley and boom hoist which motor is preferred?

  Stepper motor.
  Synchronous motor.
  DC differential compound motor.
  Slip ring induction motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature reaction effect is more in which of the following methods?

 field weakening method
 armature resistance control
 same in both methods
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In case of a conductively compensated DC series motor, the compensating winding is provided

 In parallel with the armature winding.
  In series with the armature winding.
 In parallel with the field winding.
 As a separate unit.

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
↑