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Standard X
Physics
Calorific Value and Efficiency of a Fuel
Question 36Al...
Question
Question 36
Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.
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Solution
(i) Wood produces a lot of air pollution.
(ii) Use of wood as fuel encourages cutting of trees leading to deforestation.
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Question 36
Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.
Q.
Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.
Q.
A good fuel has high calorific values.
Q.
(a) The calorific value of hydrogen is
150000
k
J
/
k
g
. What does this mean?
(b) Even though the calorific value of hydrogen is very high, it is not used as a household fuel. Why?
(c) Give a situation in which this fuel is used.
Q.
Why is hydrogen not used as a domestic fuel even though it has the highest calorific value ?
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