• 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
Direct axis reactance is defined as the ratio of

 Vmin to Imin
 Vmax to Imin
 Vmin to Imax
 Vmax to Imax

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the frequency of a alternator, if P = number of poles and N = revolution made per second?

  PN / 2 Hz.
 120N / P Hz.
 120P / N Hz.
 120 / PN Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Generators work on the principle of production of

 statically induced emf.
 dynamically and statically induced emf.
None of these
 dynamically induced emf.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be

  proportional to rotor speed.
 proportional to square of rotor speed.
 constant independent of speed.
 zero.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Lap winding is prefered for which type of machines?

 high current and low voltage
 low current and high voltage
 low current and low voltage
 high current and high voltage

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A series motor is efficiently suitable for

 constant speed operation.
 low starting torque operation.
  high starting torque operation.
 none of these.

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
↑