A fuel produces 9000 ks of heat when burnt. If thecalorific value of the fuel is 2000 kJ/kg, find theamount of fuel burnt..
Question
A fuel produces 9000 ks of heat when burnt. If the calorific value of the fuel is 2000 kJ/kg, find the amount of fuel burnt.
Solution
Step 1: Understand the given values. The calorific value of the fuel is 2000 kJ/kg, which means that 1 kg of fuel produces 2000 kJ of heat. The total heat produced is 9000 kJ.
Step 2: To find the amount of fuel burnt, we need to divide the total heat produced by the calorific value of the fuel.
So, the amount of fuel burnt = Total heat produced / Calorific value of the fuel
Step 3: Substitute the given values into the formula:
Amount of fuel burnt = 9000 kJ / 2000 kJ/kg = 4.5 kg
So, 4.5 kg of fuel was burnt.
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