• 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
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

 25.
 50.
 15.
 10.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
For n bus power system size of Y bus matrix is

 n×n
 (n-1)×(n-2)
 (n-1)×(n-1)
 (n-2)×(n-2)

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs

 shunt reactor at receiving end
 shunt capacitor at receiving end
 shunt resistance at receiving end
All of these

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 %

 3 × 106 kWh.
  2.044 × 106 kWh.
 4.06 × 106 kWh.
 5 × 106 kWh.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV?

 8 MJ/MVA
 4 MJ/MVA
 2 MJ/MVA
 6 MJ/MVA

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
String efficiency depends upon

  all of these.
 voltage rating of whole string.
 voltage rating of one SCR.
 no. of SCR in the string.

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
↑