• 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
Larger values of air flux density is taken while designing IM for

  larger bore diameter.
  both.
  none.
  larger output.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The stator frame in an induction motor is used to

  hold armature stamping in position.
  ventilate the armature.
  protect the whole machine.
  provide return path for the flux.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed?

 1450.
  1435.
 1500.
 1440.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases?

 Decreases.
 None of above.
 Increases.
 Remain unchanged

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A single-winding single-phase motor has

  zero starting torque.
 low starting torque.
 high starting torque.
 starting torque equal to full-load torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The back emf produced in a dc motor depends on

  P and Z.
  Z.
  none of these.
  P.

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
↑