• 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
A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively?

 16KVA
 4KVA
 20KVA
 0KVA

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve

 low starting torque.
  quick acceleration.
 high efficiency.
 reduced size.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC generator without commutator is a

 AC generator
 induction motor
 DC motor
 DC generator

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Compensating winding are used to rectify the flux density waveform at

  region under main pole.
None of these
 throughout the air gap.
 interpole region.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Hunting in a synchronous motor takes place

  when power factor is unity.
  motor is under loaded.
  when supply voltage fluctuates.
  when load varies.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A self-excited shunt generator fails to build up, because 1. the field circuit is open 2. The armature circuit is open 3. the residual magnetism is absent 4. The direction of rotation is wrong From these, the correct answer is

 1, 3
 3 only
 1, 2 and 3
 1, 2, 3 and 4

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
↑