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Power Systems

Power Systems
Skin effect depends on

 relative permeability
 conductivity
All of these
 frequency

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Power Systems
The inductance of single phase two wire line is given by

 4×10-7× ln(r'/d) H/m
 0.4×10-7× ln(d/r') H/m
 0.4×10-7× ln(r'/d) H/m
 4×10-7× ln(d/r') H/m

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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

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

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Power Systems
What is the total installed power capacity (MW) in West Bengal as published by ministry of power in 2011?

 10000.32.
 6114.05.
 15515.22.
 8113.27.

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Power Systems
Area under the daily curve divided by 24 gives

 units generated
 maximum demand
 average load
 maximum load

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Power Systems
Units of incremental cost is

 Rs/MWhr
 RsMW/hr
 MWhr/Rs
 Rs/hr

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