The energy that a fuel can produce is determined by its calorific value. Identify the correct option that is the physical unit of calorific value of fuels.

Kilojoule

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Milligram

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Kilogram

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Moles

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Solution

The correct option is A Kilojoule
The energy contained in a fuel or food is determined by measuring the heat produced by the complete combustion of a specified quantity of it. This is now usually expressed in joules per kilogram.

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Similar questions

Q. The energy that a fuel can produce is determined by its calorific value. Identify the correct option that is the physical unit of calorific value of fuels.

Q. Kavita wrote two sentences about calorific value of fuels.
(i)

The amount of heat energy required by

1 k g

of a fuel to reach its ignition temperature for the complete combustion is called its calorific value.
(ii)

It is expressed in a unit called kilojoule per kg

(k J / k g)

.
Choose the correct sentence(s).

Q. What is calorific value of a fuel? Why is hydrogen not used as a fuel though it has the highest calorific value?

Calorific value is the energy contained in a fuel, determined by measuring the heat produced by the complete combustion of a quantity. Which among the following do you think will have the highest calorific value?

Q. Which of the following will produce more heat?
1.

3 k g

of fuel X (Calorific value

= 12000 J / k g

)
2.

4 k g

of fuel Y (Calorific value

= 10000 J / k g

)

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The energy that a fuel can produce is determined by its calorific value. Identify the correct option that is the physical unit of calorific value of fuels.

The correct option is A KilojouleThe energy contained in a fuel or food is determined by measuring the heat produced by the complete combustion of a specified quantity of it. This is now usually expressed in joules per kilogram.

The correct option is A Kilojoule
The energy contained in a fuel or food is determined by measuring the heat produced by the complete combustion of a specified quantity of it. This is now usually expressed in joules per kilogram.