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Question
Define fuel efficiency. [3 MARKS]
Define fuel efficiency. [3 MARKS]
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Solution
Definition : 3 Marks
Different types of fuels generate different amounts of heat. The heat produced by fuels is measured and expressed through its calorific value. For a fuel to be categorized as a good fuel, it should have a high calorific value, in other words greater is the calorific value larger is the amount of heat produced on burning that fuel and vice versa. So fuel efficiency may be defined as the amount of energy released per unit mass of the fuel.
Definition : 3 Marks
Different types of fuels generate different amounts of heat. The heat produced by fuels is measured and expressed through its calorific value. For a fuel to be categorized as a good fuel, it should have a high calorific value, in other words greater is the calorific value larger is the amount of heat produced on burning that fuel and vice versa. So fuel efficiency may be defined as the amount of energy released per unit mass of the fuel.
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