• 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
When maximum starting torque is obtained, rotor power is

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What does happen if tripled harmonics given to induction motor?

  Will results in short circuit.
  Fail to start.
  Nothing will happen.
  Will results in open circuit.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an induction motor, the no-load slip is generally equal to

  less than 1 %.
 4 %.
  zero.
 1.5 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following is/are the advantages of carbon brush over the copper brush?

 They are not hard as copper brush
 They are self lubricating in nature
All of these
 In case of any sparking they will be less damaged than copper brushes

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be

 1.24.
 0.62.
 0.25.
 0.72.

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?

 Cummulative compound.
 Series.
 Differntical compound.
  Shunt.

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
↑