• 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
The speed of stator rotating magnetic field (RMF) with respect to rotor is

 S.Ns
 Nr
 Zero
 Ns

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following machine is invariably provided with forced ventilation?

 Fractional horse power slow speed motor.
 Fractional horse power high speed motor.
 50 MW generator in a power plant.
  Hermetically sealed motor of refrigerator.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC Shunt Motor the speed can be increased by

 Decreasing the field current.
 Increasing the field current.
 Increasing the field current.
 Increasing the armature current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In which of the following DC Motor the ratio of starting torque to full load torque is minimum?

  Differential compound motor.
  Shunt motor.
  Cumulative compound motor.
  Series motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The full load copper loss and iron loss of transformer are 6400W and 5000W respectively. The copper loss and iron loss at half load will be respectively?

 1600 W and 1250 W
 3200 W and 2500 W
 1600 W and 5000 W
 3200 W and 5200 W

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following are variable losses?

 hysteresis loss
 armature copper loss
 shunt field copper loss
 eddy current loss

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
↑