• 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
What is the highest possible speed of turbo alternators?

 1000 rpm
 1500 rpm
 4000 rpm
 3000 rpm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field

 to earth.
  to a DC source.
 to an AC source.
 in reverse.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 6 pole lap connected DC generator with 480 conductors has armature resistance of 0.06 Ω. If the conductors are reconnected to from a wave winding other things remaining unchanged, the value of armature resistance will be

 0.06 Ω.
 0.01 Ω.
  0.54 Ω.
 0.54 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer maximum flux density is not constant, the eddy current loss varies as

 V²
 V
 f²
 f

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ?

 core loss only
 both 1 and 2
 Copper loss
 windage and friction loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The starting resistance of DC motor is generally

 1000 ohms.
  Low.
 around 500 ohms.
 Infinitely large.

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
↑