• 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
What are slot wedges in a DC machine made of?

 Silicon steel.
 Cast iron.
 Fibre.
 Mild steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
_____________ types of induction motor are widely used.

  Three phase IM.
  Squirrel cage IM.
  Single phase IM.
  Slip ring IM.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient?

 1.5.
  1.2.
 1.4.
 1.8.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Commonly used starters of cage motor is

  both A and B.
None of these
  DOL.
  star delta.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed of a 3-phase induction motor operating in its stable region

 remains constant.
 decreases with increase in the load torque.
 decreases with decrease in the load torque.
 increases with increase in the load torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The material used for commutator brushes is mostly

 mica.
 cast iron.
 copper.
  carbon.

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
↑