• 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
In which of the following given faults, all the sequence currents are equal?

 LG
 LL
 LLL
 LLG

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Peterson coil is used in case of transmission line for

 increase the voltage level
 reduce ferranti effect
 compensation of arcing grounds
 improve power factor

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Specified quantities of slack bus are

 V and δ
 P and V
 P and δ
 P and Q

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be

 0.15 pu
 0.05 pu
 0.45 pu
 0.25 pu

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Water hamming process in pen-stocks results in

  noise increases, pressure increases, velocity decreases.
  pressure increases.
None of these
  noise increases.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The inductance of single phase two wire line is given by

 4×10-7× ln(r'/d) H/m
 4×10-7× ln(d/r') H/m
 0.4×10-7× ln(d/r') H/m
 0.4×10-7× ln(r'/d) H/m

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
↑