• 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 sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence?

 RBY
 BYR
 BRY
All of these

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed of stator rotating magnetic field (RMF) with respect to rotor is

 Nr
 Ns
 Zero
 S.Ns

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machine torque depends on which of the following?

 speed
 armature current (I)
 both A and B
 flux (φ)

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Maximum efficiency will occur, when copper loss is_______to iron loss?

 equal to
 less than
 greater than
 any of the above

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The current drawn by the a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is

 40
 600
 60
 660

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
↑