• 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
What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV?

 0.90.
  0.75.
 1.05.
 1.20.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
If we increase the length of the transmission line, the charging current

 increases
None of these
 remains unaffected
 decreases

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The main objectives of electrical power transmission is/are

 both 1 and 2
 nether 1 nor 2
 Voltage regulation of the transmission line must be zero or minimum
 Transmission system must be more efficient with minimum line losses

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV?

 8 MJ/MVA
 6 MJ/MVA
 2 MJ/MVA
 4 MJ/MVA

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by

 Zs = 0.5 pu, Zm =0.6 pu
 Zs = 0.7 pu, Zm =0.2 pu
 Zs = 0.6 pu, Zm =0.5 pu
 Zs = 0.2 pu, Zm =0.7 pu

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The method of neutral grounding affects the

All of these
 positive sequence network
 zero sequence network
 negative sequence network

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
↑