• 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 is the frequency of rotor current of 50 Hz induction motor operating at 4% slip?

 1 Hz
 2.5Hz
 50Hz
 2HZ

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motor has the highest power factor at full load?

 Capacitor run
 Resistance split phase
 Shaded pole
 Capacitor start

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle?

 60°
 45°
 30°
 10°

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which motors are preferred for refrigeration and air conditioning in smaller units?

  Induction motors.
  Reluctance motors.
  Universal motors.
  Stepper motors.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer operating at constant voltage if the input frequency increases, the core loss

 remains constant.
 increase.
None of these
 decrease.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm

 0.25Ω.
 0.5Ω.
  0.23Ω.
 1Ω.

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
↑