GENERATION OF ELECTRICAL ENERGY QUIZ

The output of a solar cell is of the order of

1 W

10 W

20 W

5 W

TRUE ANSWER : ?
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Evaporative type of condenser has

None of these

water in pipes surrounded by steam

steam in pipes surrounded by water

either (A) or (B)

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The overall efficiency of thermal power plant is equal to

Bioler efficiency × turbine efficiency × generator efficiency

Carnot cycle efficiency

Regenerative cycle efficiency

Rankine cycle efficiency

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Francis, Kaplan and propeller turbines fall under the category of

Reaction turbine

Impulse reaction combined

Axial flow

Impulse turbine

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The cheapest plan in operations and Maintenance

Steam power plant

Diesel power plant

Nuclear power plant

Hydroelectric plant

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The voltage of a single solar cell is

1.0 V

2.0 V

0.5 V

0.2 V

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The commonly used material of condenser tubes is

Mild steel

Cast iron

Aluminum

Admiralty brass

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The diesel power station is generally used as

Base load plant

Peak load plant

Both peak & base load plant

None of these

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The value of the reheat factor is of the order of

1.0 to 1.5

Above 1.5

0.8 to 1.0

1.1 to 1.5

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The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation.

pv

pv1i = C

pv1A = C

pv = C

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