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Power Systems

Power Systems
Galvanised steel is generally used as

All of these
 structural components.
 earth wire.
 stray wire.

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Power Systems
Highest pressure generating pump inside the thermal plant is

 boiler feed pump
 low pressure heater
 high pressure heater
All of these

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Power Systems
A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively?

 30° and 45°
 26° and 30°
 45° and 26°
 30° and 26°

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Power Systems
Find the value of a729, where "a" is the operator

 1
 0
 α
 α²

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Power Systems
Normally Z bus matrix is a

 unit matrix
 sparse matrix
 null matrix
 full matrix

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Power Systems
Surge impedance loading can be increased by

 increasing of capacitance value
 increasing of voltage level
 increasing of inductance value
 both 1 and 2

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