97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<sup id="7uuql"><pre id="7uuql"><div id="7uuql"></div></pre></sup>

<b id="7uuql"><pre id="7uuql"></pre></b>

單項選擇題

Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.

A.overspeed trip
B.audible/visual alarm
C.the ships/boats general alarm
D.reserve oil storage tank

你可能感興趣的試題

單項選擇題

A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the （）.

A.camshaft
B.flywheel
C.crankshaft
D.thrust shaft

單項選擇題

A diesel engine is operating at 1800 RPM and driving a propeller at 600 RPMWhat is the speed reduction ratio?（）

A.030 to 1
B.300 to 1
C.333 to 1
D.330 to 1

<blockquote id="jcu0w"></blockquote>

<ins id="jcu0w"></ins>

<sup id="jcu0w"><pre id="jcu0w"><s id="jcu0w"></s></pre></sup>

<ruby id="jcu0w"><output id="jcu0w"></output></ruby>

<blockquote id="jcu0w"></blockquote>