问题详情

"Scavenging" on a diesel engine means ().


A、injecting fuel oil into a cylinder

B、removing exhaust gases from the cylinder

C、forcing air into the cylinders under pressure after the exhaust valve has dosed

D、a combination of all the above

时间:2022-01-03 23:06 关键词: 船舶动力装置 海船船员考试

答案解析

B