• 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
Condition for maximum voltage regulation

 cosφ = X/R
 tanφ = R/X
 tanφ = X/R
 cosφ = R/X

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The flow duration curve at a given head of a hydroelectric plant is used to determine

 diversity factor for the plant.
 total units of energy available.
 load factory at the plant.
  total power available at the site.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF?

 200 Ω
 160 Ω
 800 Ω
 400 Ω

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The per unit impedance Z(pu) is given by

 ZΩ* (MVA)b/(KV)²b
 ZΩ* (MVA)b*100/(KV)²b
 ZΩ* (MVA)b/((KV)²b *100)
 ZΩ* (kVA)b/(KV)²b

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Mho relay is used for protection of

  none of these.
  long lines.
  short lines.
  medium lines.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The skin effect of conductor will increase when

All of these
 diameter decrease
 resistivity decrease
 frequency decrease

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
↑