• 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
Buchholz relay is used for protection of

  bus bar.
  alternator.
  transformer.
  none of these.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel

  7166.67 KCal / Kg.
 7268.45 KCal / Kg.
 7000 KCal / Kg.
 7562 KCal / Kg.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation?

 0.6 lag and 0.6 lead
 0.6 lag and 0.8 lead
 0.8 lag and 0.8 lead
 0.8 lag and 0.6 lead

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is

 55.56 MVAr.
 61.73 MVAr.
  40.5 MVAr.
 45 MVAr.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have?

 Y-Y connection
 Δ-Δ connection
 Δ-Y connection
 Y-Δ connection

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 3
 6
 4
 5

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
↑