• 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 starting resistance of DC motor is generally

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An IM cannot run at synchronous speed because

  air friction will prevent it.
  rotor torque will not be produced.
  induction motor will become synchronous motor.
  none of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Eb/V ratio of a DC motor is an indication of

 Speed regulation.
 Starting torque.
 Running Torque.
  Effiency.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a single phase transformer the magnitude of leakage reactance is twice that of resistance of both primary and secondary. With secondary short circuited, the input power factor is

 1/3
 1/√5
 2/√5
 1/√2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Transformer action requires a

 increasing magnetic flux.
 alternating electric flux.
 alternating magnetic lux.
 constant magnetic flux.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
No load saturation characteristics are plotted between

 short circuit current and armature current
 short circuit current and field current
 no load voltage and armature current
 no load voltage and field current

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
↑