• 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 output power of a dc motor is given by

  EIa.
  none of these.
  EbIa.
  EbIa2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 2 pole synchronous machine is operating at 3000 rpm. Find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm) ?

 ωe = ωm
 ωe = 2*ωm
 ωe = 1/2*ωm
 ωe = 4*ωm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The type of DC motor used for shears and punches is

 Series motor.
 Differential compound motor.
 Shunt motor.
  Cummulative compound motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC generator, lap winding is used in

  high current and low voltage applications.
 where constant speed is required.
 high voltage and low current applications.
 where greater load is connected.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The direction of rotation of a 3 - Φ induction motor can be reversed by

  transposing all the three leads from the supply.
  transposing any two leads from supply.
  transposing any two leads from slip rings.
  disconnecting any one phase.

ANSWER DOWNLOAD EXAMIANS APP

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

 remains unaffected
 increases
 decreases
None of these

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
↑