• 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?

 45°
 10°
 30°
 60°

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the field circuit of a DC shunt motor is opened

  The motor will attain dangerously high speed.
 DC Shunt Motor
 The speed of motor will be reduced.
 The armature current will reduce.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is

 25 Hz
 50 Hz
 60 Hz
 40 HZ

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In speed control of DC shunt motor by varying field flux, what may be the value of field regulator?

 2 ohm.
 10 ohm
 100 ohm
 0.2 ohm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer, the frequency of a voltage at the secondary is

 any of the above.
 equal to primary.
 greater than the primary.
 less than primary.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is

 100Hz.
 50Hz.
 150Hz.
 200Hz.

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
↑