• 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 speed of stator rotating magnetic field (RMF) with respect to rotor is

 Ns
 Nr
 S.Ns
 Zero

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To avoid formation of grooves in the commutator

None of these
 the brushes of same polarity should track each other.
  the brushes of opposite polarity should track each other.
  brush position has no effect on the commutator grooving.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature resistance of the dc motor is generally of the range

 100 ohm.
 50 ohm.
  0.1 ohm.
  0.5 ohm.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A commutator in dc machine provide ----------------- rectification?

 full wave controlled
 half wave controlled
 full wave
 half wave

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Commutators in DC machines have a role of which converts

 high voltage DC to low voltage DC.
 AC to DC.
 Both AC to DC and DC to AC.
 none of these.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Reactive power generated or delivered significantly depends on

 load angle.
 frequency.
 both 1 and 2.
 excitation.

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
↑