• 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 slot edges in a DC machine are made of

 Cast iron.
 Mild steel.
  Fibre.
 Silicon steel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The commutator segments of DC machines are made up of

 copper
 copper alloy
 hard-drawn copper
 brass

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The power factor of squirrel cage induction motor is

 both A and B
 low at light loads only
 low at heavy loads only
 low at rated load only

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Swinburne test is conducted under which of the following condition?

 any of the above
 half load
 full load
 no load

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The rotor slots are slightly skewed in squirrel cage induction motor to

 increase the strength of rotor bars.
 reduce the magnetic hum and locking tendency of rotor.
 decrease the amount of copper to be used.
 provide ease of fabrication.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 100 KVA transformer is operating at 60 Hz, 240 V supply. The same transformer is operating at 50 Hz, 200 V supply. The new rating is

 83.33 KVA
 123.3 KVA
 50 KVA
 100 KVA

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
↑