• 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
What is the highest possible speed of turbo alternators?

 1500 rpm
 1000 rpm
 3000 rpm
 4000 rpm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the excitation is critical, the power factor of the alternator is

 unity power factor.
 leading power factor.
 lagging power factor.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each.

 cant be determined.
 234.76 N-m.
 133.22 N-m
 266.20 N-m.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of following DC motors will have percentage increase of input current for the same percentage increase in torque?

 Differntical compound.
 Series.
  Shunt.
 Cummulative compound.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Eb/V ratio of a DC motor is an indication of

 Speed regulation.
  Effiency.
 Running Torque.
 Starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What type of connection is made in between the inter-pole and the field winding?

  Series.
 Parallel.
 Compound.
 None of the options.

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
↑