• 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
The most commonly used material for insulators of overhead lines is

 mica
 PVC
 glass
 porcelain

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

 10.936 pu
 8.936 pu
 7.936 pu
 9.936 pu

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation?

 0.6 lag and 0.6 lead
 0.8 lag and 0.6 lead
 0.6 lag and 0.8 lead
 0.8 lag and 0.8 lead

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Which of the following power plants can generate power at unpredictable or uncontrollable time

 Cooling tower.
 Condenser.
 Wind turbine.
 Pulverising unit.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Which material is used in controlling chain reaction in a nuclear reactor

 Thorium.
 Heavy water.
  Boron.
 Beryllium.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine.

  ash handling point.
  air preheater.
  superheater.
  economizer.

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
↑