• 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
For large plants of capacity for more than 15 MW, what type of cooling is used

  Liquid.
  Hydrogen.
  Air.
  Water.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

 1000 Ω
 250 Ω
 25 Ω
 500 Ω

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence,

 this may either be a medium line or short line
 this must be a short line
 this expression is true for any line
None of these

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect?

 1500 Ω
 750 Ω
 3000 Ω
 2000 Ω

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Most commonly used material for insulator is

 porcelain
 mica
 glass
All of these

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Which of following materials can be used as coolant

 CO2.
 Helium.
 Heavy water.
  Any of above.

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
↑