• 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 field divertor resistance for a DC series motor is of order of

 100 Ω
 50 Ω
 10 Ω
 0.1 Ω

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A smaller air gap in a induction motor helps to

 reduce the chance of crawling.
 reduce the magnetizing current.
 reduce the chance of cogging.
 increase the starting torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Type of single phase motor having highest power factor at full load is

  capacitor run.
  shaded pole type.
  capacitor start.
  split phase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The output power of any electrical motor is taken from the

 Coupling mounted on the shaft.
 Motor frame.
 Field.
 Armature.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Damper winding is used to

 suppress the hunting.
 decrease the load current.
 increase the load current.
 both 1 and 2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The rotor speed of an induction motor is given by

  Nr = 120f / p × (1-s).
None of these
  Ns = 120f / p × ( 1 - s ).
  Ns = 120f /p × ( 1 - r).

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
↑