• 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
Slip rings of an induction motors are made of

  carbon.
  stainless steel.
  aluminium.
  phosphor bronze.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a dc machine 4 pole lap winding is used. The number of parallel paths are?

 8
 4
 1
 2

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When a DC cummulative compound wound motor is loaded

 Both torque and speed decrease.
  Torque increase and speed decrease.
 Torque decrease and speed increases.
 Torque and speed both increase.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the full form of MNP?

  Magnetic field neutral plane.
  Magnetic neutral pole.
  Magnetic field neutral pole.
  Magnetic neutral plane.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When the armature current of 5 Amp is flowing through the dc motor the torque produced is 47 Nm. Keeping the speed constant if the armature current is increased to 7 amp, calculate the new torque. Assume losses to be constant.

 38.5 Nm.
 27.73 Nm .
 74 Nm.
  65.8 Nm.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The armature core of a DC machine is laminated to minimise

 mechanical loss
 temperature rise
 hysteresis loss
 eddy-current loss

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
↑