• 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
On what factors the speed of dc motor depends?

 Armature current Ia.
 Applied voltage.
 All of these.
 Field flux.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following will vary the maximum torque?

 rotor reactance X
None of these
 rotor resistance R
 both 1 and 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC Motor 3 point starter is used to

 limit the starting current to a safer value.
 provide overload protection.
 all of above.
 provide protection against Low-Voltage.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In most condition which frame of motor will be preferred?

 Drip proof.
 Splash proof.
 Open type.
  Totally enclosed fan coiled.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The slot edges in a DC machine are made of

 Mild steel.
 Silicon steel.
  Fibre.
 Cast iron.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous motor torque or load angle δ ------------- with increase in load

 increases
None of these
 decreases
 remains unaffected

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
↑