Engine operating conditions may be indicated by the color of the exhaust smoke.Black smoke could indicate（）<br>A:an insufficient speed droop setting<br>B:an overloaded engine<br>C:clogged drain holes in the oil control rings<br>D:complete combustion

Engine operating conditions may be indicated by the color of the exhaust smoke.Black smoke could indicate（）
A:an insufficient speed droop setting
B:an overloaded engine
C:clogged drain holes in the oil control rings
D:complete combustion

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)