• 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 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
A small air gap in poly phase induction motor helps to

  reduce magnetizing current.
 increase starting torque.
 reduce chance of crawling.
 reduce chance of cogging.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motors are suitable for computer printer drive ?

  Stepper motor.
 Reluctance motor.
 Shaded pole motor.
 Hysteresis motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses?

 0.5Kw
 3KW
 1.5KW
 2KW

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The working principle of transformer depends on

 Coulombs law.
 Amperes law.
 Newtons law.
 Faradays law of electromagnetic induction.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The reduced air gap results in an increase

  breaking torque.
  power factor.
  cost of operation.
  starting torque.

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
↑