• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Power Systems

Power Systems
Transmission line parameters of the short transmission line are

 1,Z,Y,1
 1,Z,0,1
 1,0,Y,1
 Z,0,Y,1

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system?

 Sulphur hexafluoride CB
 Bulk oil type CB
 Air blast CB
 Vacuum CB

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Buchholz relay is used for protection of

  transformer.
  none of these.
  bus bar.
  alternator.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians?

 2 × 10-3
 8 × 10³
 7.95 × 10-3
 7.95 × 10³

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time?

 -0.92
 0.92
 0.56
 -0.56

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Which of the following method is used for changing power factor from leading to lagging

 shunt reactor
 any of the above
 shunt capacitor
 series capacitor

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Power Systems

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
↑