• 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
The 3 - Φ induction motor with rotor circuit open will

  get over heated.
  run normally.
  not run.
  make noise.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be

 pulsating and unidirectional
None of these
 steady and unidirectional
 oscillating

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ?

 windage and friction loss
 Copper loss
 core loss only
 both 1 and 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generators, the cause of rapid brush wear may be

 imperfect contact.
 rough commutator surface.
 severe sparking.
 any of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The ventilating ducts in most of DC machine are

 radial as well as longitudinal.
 longitudinal.
 none of these.
 radial.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Induction motors normally use cast aluminium rotor because aluminium is

  of low resistivity.
  cheaper in cost.
  easy to cast owing to its low melting point and is easily available.
  lighter in weight.

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
↑