• 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 rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be

 625 W
 600 W
 650 W
 700 W

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The speed of a cumulatively compound DC motor can be controlled by varying

 Any of above.
 Armature resistance control.
 Shunt field resistance control.
 Armature voltage control.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is

 0%.
  8.9%.
 7%.
 14%.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The slot edges in a DC machine are made of

 Silicon steel.
  Fibre.
 Mild steel.
 Cast iron.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a single phase induction motor, the starting torque developed is proportional to

 1/V
 V²
 1/V²
 supply voltage V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following DC generators has rising V-I characteristics?

  Compound.
  None of them.
  Series.
  Shunt.

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
↑