• 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
Total core loss is also called as -------------?

 Magnetic loss
 Copper loss
 Hysteresis loss
 Eddy current loss

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt.

  400 Amp.
 800 Amp.
  0.5 Amp.
 320 Amp.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous motor torque or load angle δ ------------- with increase in load

None of these
 decreases
 increases
 remains unaffected

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A large series motor is never started without some mechanical on it because otherwise it will

 Open fuse or circuit breaker.
 Produce sparking at brushes.
  Develop excessive speed and damage itself.
 Draw too much current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Generator works on the principle of production

 static induced emf.
None of these
 dynamically induced emf.
 both A and B.

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
↑