POWER SYSTEMS QUIZ

For accurate load flow calculations on large power systems, the best method is

G-S method

All of these

Decoupled method

N-R method

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In an interconnected power system, the most suitable power plant to meet the peak load condition is

hydro power plant

thermal plant

pumped storage plant

nuclear plant

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The characteristic impedance of a transmission line is

Directly proportional to its length.

Directly proportional to square root of its length.

Independent of its length.

Inversely proportional to square root of its length.

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Efficiency of thermal power plant can be taken as

generator efficiency.

efficiency of thermal cycle.

turbine efficiency.

product of efficiencies of all stages.

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Asynchronous tie line is a

None of these

either 1 or 2

DC transmission line

AC transmission line

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The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers)

N = 3x²+3x+1

N = 3x²-2x+1

N = 3x²-6x+1

N = 3x²-3x+1

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How much KWh energy is produced by fission of 1 gm of uranium U235

24000 kWh.

24 kWh.

2400 kWh.

240 kWh.

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Tarapur nuclear power plant has which type of reactor?

None of these.

Boiling water type.

CANDU type reactors.

Pressurized water reactors.

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The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by

A resistance of j300 ohm.

A resistance of 100 ohm.

A resistance of j100/3 ohm.

A resistance of 100/3 ohm.

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The most commonly used material for insulators of overhead lines is

mica

PVC

glass

porcelain

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