• 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 an induction motor, what is the ratio of rotor input to rotor copper loss?

 1-S
 S
 1/(1-S)
 1/S

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P)

 T∝ P
 T∝ P³
 T∝ P²
 T is independent of P

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Magnetic field of a DC generator is produced by what?

 Both B and C.
 None of the options.
 Permanent magnets.
  Electromagnets.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is

 115 V
 460 V
 200 V
 230 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the mechanical power developed by a DC series motor is maximum?

 Back emf is equal to applied voltage.
 Back emf is equal to zero.
 Back emf is equal to half the applied voltage.
 None of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator?

 Eye bolt.
 Dummy coils.
 Commutator.
 Equalizer rings.

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
↑