• 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 DC generator can be considered as

 rotating amplifier.
 rectifier.
 power pump.
 prime mover.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature of DC machine is made of

 non-ferrous material.
 insulating material.
 conducting material.
 silicon steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In V/f speed control of 3-phase induction motor, with increase in frequency, the slip at which maximum torque occurs

None of these
 either of these.
 decrease.
 increase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
On what factors the speed of dc motor depends?

 Armature current Ia.
 Applied voltage.
 All of these.
 Field flux.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of following motor is preferred for belt conveyor?

  Synchronous motors.
  Reluctance motor.
  Universal motor.
  Slip ring induction motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is

 (Pi/Pc)2
 √(Pi/Pc)
 Pc/Pi
 Pi/Pc

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
↑