• 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 flux involved in the emf equation of a transformer has

  maximum value.
 total value.
 average value.
 rms value.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machines internal characteristics are plotted between

 Eg vs load current
 Eg vs Ia
 Vt vs load current
 Vt vs Ia

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To achieve spark less commutation brushes of DC generator are rocked ahead so as to bring them

None of these
 in magnetic neutral axis.
 just ahead of magnetic neutral axis.
 just behind the magnetic neutral axis.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio

 57.7%
 66.3%
 33.3%
 50%

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For which of the following loads, armature reaction is magnetizing in nature?

None of these
 pure inductive load
 pure capacitive load
 pure resistive load

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a DC Shunt Motor having armature resistance of 0.5 Ω and 2A armature current at no-load, when the armature current is changed to 20A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load?

 963.8 r.p.m.
 1130 r.p.m.
 1037.5 r.p.m.
 4575.4 r.p.m.

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
↑