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The working power of a car engine is . The car consumes 8 litres of gasoline per hour. What is the efficiency of the engine? The specific combustion heat of gasoline is and the density of gasoline is .
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. The car consumes 8 litres of gasoline per hour. What is the efficiency of the engine? The specific combustion heat of gasoline is 
and the density of gasoline is 
.
.
