• # question_answer A double acting steam engine with a cylinder diameter of 19 cm and a stroke of 30 cm has a cut-off of 0.35. The expansion ratio for this engine is nearly: A) 1.05                             B) 2.85C) 6.65                             D) 10.05

Expansion ratio $=\frac{1}{cut\,\,off}=\frac{1}{0.35}=2.85$