• 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 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is

 5 Hz
 1 Hz
 0 Hz
 50 Hz

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machine torque depends on which of the following?

 flux (φ)
 both A and B
 armature current (I)
 speed

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The type of DC motor generally used for shears and punches is

 Series motor.
 Cummulative compound motor.
 Differential compound motor.
 Shunt motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value?

 0.2
 0.4
 0.02
 0.04

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the back emf in DC motor vanishes suddenly the motor will

 burn.
 run at very low speed.
 run at very high speed.
 start haunting.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following motors has negative speed regulation?

 Differential compound motors.
 Both B and C.
 Series motors.
 Shunt motors.

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
↑