• 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 = X/R
 cosφ = R/X
 tanφ = R/X

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

 250 Ω
 25 Ω
 1000 Ω
 500 Ω

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be

 8.5 MW
 4.5 MW
 6.5 MW
 5.5 MW

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Binary vapor cycle are used for

All of these
  increasing the turbine efficiency.
  improving the plant efficiency.
  improving the condenser performance.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Most commonly used material for insulator is

All of these
 glass
 mica
 porcelain

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The only place where slip ring induction motors used in thermal power plants is

  none of above.
  conveyors.
  lubrication oil pumps.
  coal handling plant.

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
↑