POWER SYSTEMS QUIZ

The shape of the disc of an induction disc relay is

circular.

elliptical.

spiral.

none of these.

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A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation?

400 MW

478 MW

456 MW

386 MW

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Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF?

800 Ω

200 Ω

160 Ω

400 Ω

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The conversion ratio of a breeder reactor is

more than unity.

less than unity.

none of above.

equal to unity.

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Stability of a transmission line can be increased by

series capacitor

shunt reactor

shunt capacitor

both 1 and 2

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The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor

encased by thick concrete wall.

encased thick metal wall.

isolated from outside word with strong magnetic field.

immersed in water pool.

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In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by

Acceleration factor

Blocking factor

Gauss constant

Lagrange multiplier

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YOUR ANSWER : ?

Based on the discharge, Kaplan turbine will discharge

>10000 lpm

1000 lpm

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Which of the following plants has the maximum eapital cost

Steam plants.

Diesel plants.

Hydro-plants.

Nuclear plants.

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A thermal power station needs space

less than that required by the diesel power station of same output.

less than that required by a gas turbine power plant of same output.

less than that required by hydro-power station of same capacity.

less than that required by atomic power station of the same output.

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