• 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
At the instant of starting, the per unit slip of 3 - Φ induction motor is

  1.0.
  0.05.
  0.1.
  0.5.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
3rd harmonics are eliminated in induction motor by using

  star connection.
  V connection.
  delta connection.
  zig - zag connection.

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

 0.01 Ω.
  0.54 Ω.
 0.06 Ω.
 0.54 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For power factor improvement the synchronous motor is to be

 heavily loaded and over excited
 lightly loaded and over excited
 heavily loaded and underexcited
 lightly loaded and underecited

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Induction motors normally use cast aluminium rotor because aluminium is

  lighter in weight.
  cheaper in cost.
  of low resistivity.
  easy to cast owing to its low melting point and is easily available.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Generators work on the principle of production of

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

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
↑