In an experiment 8.5 kg of a fuel A was completely burnt,the heat produced was 440000 kJ.Calculate the calorific value.
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Step-by-step explanation:
The heat produced was measured to be 180,000 kj.
Calculate the calorific value of the fuel.
Answer: Total mass of fuel = 4.5 kj
Total heat produced = 180,000 kj
Heat produced by burning 1 kg of fuel = 180,000 kj/4.5 kg = 40,000 kJ/kg.
Answered by
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Answer:
Perfect questions for guys interested in maths..
2. The value of x + x(xx) when x = 2 is:
(a) 10, (b) 16, (c) 18, (d) 36, (e) 64
Solution:
x + x(xx)
Put the value of x = 2 in the above expression we get,
2 + 2(22)
= 2 + 2(2 × 2)
= 2 + 2(4)
= 2 + 8
= 10
Answer: (a)
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