• 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 load is short circuited, then reflection coefficient of voltage is

 -1
 0
 -2
 1

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is

 4.65 Ω / phase.
 6.06 Ω / phase.
 2.26 Ω / phase.
  8.06 Ω / phase.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is

 0.707 leading
 unity
 0.5
 0 leading

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Surge impedance loading of a transmission line can be increased by

 addition of lumped capacitance in series
 increasing its voltage level
 addition of lumped inductance in parallel
 both 1 and 3

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
When a pumped storage power plant is operated in conjunction with a steam power plant

All of these
 load factor of the steam plant is increased
 chances of the tripping of the system decrease
 the operating cost of the steam plant become optimum

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Offset mho relay is used for the protection of equipment when

 failure of prime mover of the generator
 either 1 or 2
 loss of excitation of the generator
None of these

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
↑