• 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
Eb/V ratio of a DC motor is an indication of

 Speed regulation.
  Effiency.
 Starting torque.
 Running Torque.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the mechanical angle α between the stator and rotor poles increases, then the stator current

 Remains unchanged.
 Decreases.
 None of above.
  Increases.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be

 8+j13 ohms
 3.05+j5.08 ohms
 53+j85 ohms
 3.5+j5.8 ohms

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Hysteresis loss is proportional to

  f.
 f1.5.
 f3.
 f2.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In an induction motor, the no-load slip is generally equal to

 4 %.
  zero.
  less than 1 %.
 1.5 %.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 100/10, 50 VA double winding transformer is converted to 100/110 V auto transformer. The rating of auto transformer is

 110 VA
 100 VA
 500 VA
 550 VA

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
↑