99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

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

<ruby id="mnvaw"><xmp id="mnvaw"></xmp></ruby>

單項選擇題

What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）

A.White
B.Black
C.Blue
D.Clear

你可能感興趣的試題

單項選擇題

Combustion knock will most likely occur as a result of using a fuel with（）

A.low ignition quality
B.a high volatility
C.low ignition delay
D.a high cetane number

單項選擇題

High exhaust temperatures from all of cylinder of a turbocharged, four-stroke/cycle diesel engine can be caused by an（）

A.inoperative turbocharger
B.inadequate fuel supply
C.overload on one cylinder
D.unequal load distribution

<pre id="2jjrd"><strong id="2jjrd"></strong></pre>

<ins id="2jjrd"></ins>

<dl id="2jjrd"><strong id="2jjrd"></strong></dl>