• 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 slip of an induction motor during DC rheostatic braking is

  2 - s.
 2 + s.
 1 - s.
  s.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is

 250 A.
 570 A.
  340 A.
  460 A.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ?

 PZL/4Sa²
 PZL/4SP²
 PZL/ 4Sa
 PZL/4S

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The air gap between stator and the rotor of the 3 - φ induction motor is kept

  as small as possible.
  depends on the material of stator and the rotor.
  air gap does not matter.
  as wide as possible.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machines shape of net flux density is?

 flat tapped or trapezoidal
 peaky in nature
 saddle shape
 sine wave

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following relation is correct?

None of these
 Xd < Xq.
 Xd > Xq.
 Xd = Xq.

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
↑