• 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
 remain same
None of these
 more

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° â„§. The sending end voltage is 400 kV. The receiving end voltage under no load condition is

 350 kV
 400 kV
 500 kV
 600 kV

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

 0.1 mH/Km
 0 mH/Km
 0.05 mH/Km
 0.025 mH/Km

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Maximum power capacity of a transmission line can be increased by

 increasing voltage level
 either 1 or 2
 decreasing reactance value
 nether 1 nor 2

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching

  SF6.
  oil.
  vacuum.
  air blast.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero?

 29.28 kV
 28.28 kV
 30.28 kV
 31.28 kV

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
↑