• 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
In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch

 10
 100
 50
 1

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the temperature of armature resistance is increased, the speed of a series motor would

 None of above.
 not change.
 increase.
 decrease.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Resistance commutation is used generally in case of

 DC machines bellow 5 kW.
 DC machines above 10 kW.
  fractional kW DC machines.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The slip of an induction motor normally does not depend on which of the following?

 Synchronous speed.
 Shaft torque.
  Core loss component.
 Rotor speed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________.

  30 %.
 1.5 %.
  2.67 %.
 5 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Sparkless commutation can be achieved by employing

 compensating winding.
  high resistance carbon brushes.
  any one or more of the above methods.
  inter poles.

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
↑