• 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

 100
 50
 1
 10

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Counter emf of a DC motor

 aids applied voltage.
 helps in energy conversion.
 exceeds supply voltage
 regulates its armature voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The ___________________ generator has the poorest voltage regulation.

  shunt.
  under-compounded.
  differential compounded.
  over compounded.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In dc motors, under leading pole tips flux density will--------?

 either increase or decrease
None of these
 decrease
 increase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If Kh is hysteresis constant, f is supply frequency, Bm maximum flux density in core of transformer, the expression of hysteresis loss in transformer, is given by

 KhfBm.
 KhfBm3.
 Khf2Bm1.6.
  KhfBm1.6.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp?

  15 N.
  None of these.
  Can't be determined.
 20 N.

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
↑