The efficiency of Engine is 40%.
Given data:
The amount of heat absorbed by gasoline engine is, Q = 2500 J.
The mechanical work performed by Engine is, W = 1000 J.
The tendency to do work is often rated and measured using the concept of efficiency of Engine. It is expressed as the ratio of work obtained and amount of heat supply. So, the expression for the efficiency of Engine is given as,
[tex]\eta = \dfrac{W}{Q}[/tex]
Solving as,
[tex]\eta = \dfrac{1000}{2500}\\\\\eta =0.4\\\\\eta = 0.4 \times 100\\\\\eta =40 \%[/tex]
Thus, we can conclude that the efficiency of Engine is 40%.
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