• 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
Which material is used in controlling chain reaction in a nuclear reactor

 Thorium.
  Boron.
 Heavy water.
 Beryllium.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Which of the following power plants can generate power at unpredictable or uncontrollable time

 Pulverising unit.
 Cooling tower.
 Wind turbine.
 Condenser.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The characteristic impedance of a transmission on line is

  Independent of its length.
 Directly proportional to square root of its length.
 Inversely proportional to its length.
 Directly proportional to its length.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to

 125 electrical degrees/s²
 12.5 electrical degrees/s²
 225 electrical degrees/s²
 22.5 electrical degrees/s²

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Critical disruptive voltage is a voltage at which

 corona is visible with blue or violet colour
 both 1 and 2
 corona is just initiated
 nether 1 nor 2

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 %

 3 × 106 kWh.
 4.06 × 106 kWh.
 5 × 106 kWh.
  2.044 × 106 kWh.

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
↑