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

 30°.
 0°.
  75°.
 45°.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an induction motor, the no-load slip is generally equal to

 1.5 %.
 4 %.
  zero.
  less than 1 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to

 Ia2
 Ia
 1/Ia
 I/Ia2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For standing a DC motor a starter is required because

  it limits the starting current to a safe value.
  It starts the motor.
None of these
  it limits the speed of the motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected

 in series
 either of these depending on the design of the motor
 through inductive coupling
 in parallel

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called

  crawling.
  slip.
  cogging.
  skewing.

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
↑