A petrol engine with bore (150 mathrm{~mm}) and stroke (200 mathrm{~mm}) has a clearance volume of 700
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A petrol engine with bore \(150 \mathrm{~mm}\) and stroke \(200 \mathrm{~mm}\) has a clearance volume of 700 litres. If the indicated thermal efficiency is 0.30 , find the relative efficiency. Take \(\gamma=1.4\).
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