一、某船柴油機之指示熱效率為 45%，測知指示馬力 IHP 為 3600 PS，柴油之熱值為 9600 kcal/kg，求每天之耗油量多少噸？（1 PS=632.5 kcal/h）

(二)英譯中In order to match the power and speed characteristics of marine propellers with those of the propulsive system, there has been a recent tendency to design marine diesel engines to achieve the required power at a relatively low engine speed.