• 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
Slip exists in

  induction motor.
  in both machines.
  synchronous motor.
  none of above.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In circle diagram for induction motor, diameter of circle represents which of the following ?

 Rotor current.
 Running torque.
 Line voltage.
 Slip.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a standard frequency the machine operates at a particular speed known as

 slip speed.
 synchronous speed.
 any of the above.
 normal speed.

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed?

 15.6 Nm
 15.28 Nm
 Zero
 16.55 Nm

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?

 10 ohm
 0.2 ohm
 2 ohm.
 100 ohm

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
↑