题目
[单选] In a bypass type lubrication system for a diesel engine， the dirty oil line to the centrifuge should be taken from the （）。A. lube oil pump suction lineB. lube oil pump discharge lineC. bottom of the lube oil sumpD. outlet from the lube oil header
[单选] In a bypass type lubrication system for a diesel engine， the dirty oil line to the centrifuge should be taken from the （）。
A. lube oil pump suction line
B. lube oil pump discharge line
C. bottom of the lube oil sump
D. outlet from the lube oil header
题目解答
答案
C. bottom of the lube oil sump
解析
在柴油发动机的旁路润滑系统中，脏油线应从润滑油箱底部引出，以确保油中的杂质和污染物能够被有效分离和处理。润滑油箱底部是油中杂质和污染物最集中的地方，因此从这里取油进行净化是最有效的。