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Standard X
Physics
Calorific Value and Efficiency of a Fuel
Which element...
Question
Which element contained in a fuel contributes to its high calorific value?
A
Carbon
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B
Hydrogen
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C
Oxygen
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D
Nitrogen
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Solution
The correct option is
B
Hydrogen
Solution
Calorific Value is energy obtained by an element on its combustion
Hydrogen has highest calorific value that is
150
K
J
/
g
.
The correct option is B
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Similar questions
Q.
Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.
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.
A good fuel has high calorific values.
Q.
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
Q.
Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.
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