• 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 starting resistance of DC motor is generally

 around 500 ohms.
 Infinitely large.
  Low.
 1000 ohms.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For P pole machine relation between electrical degrees and mechanical degrees is

 θelec = P/2*θmech
 θelec = 2/P*θmech
 θelec = 4/P*θmech
 θelec = θmech

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be

 pulsating and unidirectional
None of these
 steady and unidirectional
 oscillating

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The principal of starting of 3 - Φ IM is similar to

  repulsion motor type starting.
  synchronous motor.
  transformer with short-circuited secondary.
  capacitor run IM.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Armature reaction in DC generators will result in

 open circuit.
 reduction in generated emf.
 increase in slip.
 short circuit.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ?

 core loss only
 windage and friction loss
 both 1 and 2
 Copper 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
↑