题目
Oil pressure in the lubrication system is_______ than the static sea water head to ensure that sea water cannot enter the sterntube in the event of seal failure.A. higherB. lowerC. very higherD. very lower
Oil pressure in the lubrication system is_______ than the static sea water head to ensure that sea water cannot enter the sterntube in the event of seal failure.
A. higher
B. lower
C. very higher
D. very lower
题目解答
答案
A. higher
解析
在船舶的润滑系统中,油压需要高于静止海水的水头压力,以确保在密封失效的情况下,海水不会进入尾轴管。因此,油压必须高于静止海水的水头压力,以防止海水进入尾轴管。