• 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
Quadrature axis synchronous reactance is the ratio of

 Vmax to Imax.
 Vmin to Imin.
 Vmin to Imax.
 Vmax to Imin.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If a transformer has turns ratio K, the primary and secondary current are I1 and I2 respectively and magnetizing current and core loss component of no load current Iμ and Iw respectively, then

 I1 = KI2 + Iw.
 I1 = KI2 + Iμ.
 I1 = KI2.
  I1 = KI2 + Iw + Iμ.ok

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which single phase motor is used for a refrigerator?

  Universal.
  Capacitor run.
  Repulsion.
  Split phase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The rotor of a 3 - Φ wound induction motor is provided with

  heavy short-circuited end rings.
  heavy copper or aluminium bars placed in rotor slots.
  three phase winding.
  single phase winding.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce

 copper loss.
 hysteresis loss.
 vibrations.
 eddy electric current loss.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Consider the following statements : For a level compounded dc generator to run at constant voltage, the series field mmf must effectively compensate 1. armature reaction mmf 2.armature resistance drop 3. brush contact voltage drop Which of these statements is/are correct ?

 2 alone
 1 and 3
 1, 2 and 3
 1 and 2

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
↑