正确答案: D
the ignition of unburned fuel and air in the crankcase
题目:Crankcase explosions in propulsion diesel engines result from ____.
解析:D
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举一反三的答案和解析:
[单选题]装配
rig
[单选题]When received the order "Finished With Engine", which of the following operations is wrong?
stop the L.O pump, S.W pump, jacket water cooling pump immediately
[单选题]实验表明,当燃烧区域中含氧量低于______时,绝大多数燃烧自行熄灭。
11%
[单选题]在液体动压润滑中影响形成油楔及其动压力的因素有( )Ⅰ.轴承负荷;Ⅱ.滑油黏度;Ⅲ,摩擦表面的运动速度;Ⅳ.轴承间隙;Ⅴ.总碱值;Ⅵ.摩擦表面粗糙度。
Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅵ
[单选题]在火场进行防护时,应做到以下几点:
以上都是
[单选题]当弃船命令或信号发出后,全体船员和旅客都应:
严守纪律
[单选题]按航向操舵,操舵水手接到驾驶员变换航向口令时,当航向变动的幅度(),航速,可操大舵角。
大,慢