Question

2. In an experiment, I kg of fuel was completely burnt The best produce
be 9000 kilojoule.
a) What will be the heat produced for 7 kg of fuel?
b) Calculate the calorific value of the fuel​

Answer 1

In 1kg heat produced is 9000kJ

so in 7kg it will be 7*9000=63000k

Now,

calorific value=kilo joules/mass in kg

=9000/1

=9000

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