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In an experiment, 50 kg of fuel was burned entirely. The heat produced measured to be 150,000 kJ. The calorific value of the fuel is x x 1000 kJ/kg. Then x is _________.

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answer is B.

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Detailed Solution

Value of x is 3.

Amount of fuel burnt = 50 kg
Amount of heat produced = 1,50,000 kJ
Calorific value of the fuel = Heat produced / Amount of fuel
= 1,50,000/50

= 3,000 kJ/kg

= 3 X 1000 kJ/kg

The value of x is 3.

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