• 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
Corona loss is ----------------- on hilly areas than as plain areas.

 less
 more
None of these
 remain same

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with

  5th harmonic current.
 3rd harmonic current.
 2nd harmonic current.
 7th harmonic current.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load?

 1 pu
 1.098 pu
 0.098 pu
 0.98 pu

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Bundled conductors in EHV transmission lines

 increase capacitance
 decrease inducatance
 decrease capacitance
 increase inductance

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A buchholz relay is used for

 nether 1 nor 2
 protection of a transformer against all internal faults
 protection of a transformer against all external faults
 both 1 and 2

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes

 80.25 %.
  74.56 %.
  79.33 %.
 78.96 %.

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
↑