Question

explain the process how to solve? ​

Answer 1

Answer:

4.5 kg fuel of P produce 180000 kJ

4.75 kg fuel of Q produce 190000 kJ

So

1 kg fuel of P produce heat = 180000 / 4.5

= 40000 kJ

1 kg fuel of Q produce heat = 190000 / 4.75

= 40000 kJ

Both fuel has Same calorific value

Answer : C

Answer 2

Answer:

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