A diesel engine should not be operated at low loads for long periods of time because（）<br>A:heavy carbon deposits will buildup on the valves and in the exhaust<br>B:fuel dilution is increased at low load<br>C:exhaust valves may be damaged<br>D:all of the above

A diesel engine should not be operated at low loads for long periods of time because（）
A:heavy carbon deposits will buildup on the valves and in the exhaust
B:fuel dilution is increased at low load
C:exhaust valves may be damaged
D:all of the above

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)