• 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
Breaking current is a ------------------ value?

 average
 RMS
 maximum
 any of the above

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The specific speed ( NS ) of turbine is given by

 N√( P ) / H2/3.
 none of these.
  N√( P ) / H1.25.
 P√( N ) / H3/2.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is

 50 kA.
  35 kA.
 45 kA.
 55 kA.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have

 unity power factor
 0.707 leading power factor
 0.707 lagging power factor
 zero power factor

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Which of the following is used in thermal plants

 Otto cycle
All of these
 Joule cycle
 Rankine cycle

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be

 400 Ω
 210 Ω
 840 Ω
 420 Ω

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
↑