正确答案: B

obtain complete burning

题目：In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.

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学习资料的答案和解析：

[单选题]高效废气锅炉与现代节能柴油机的匹配不当是废气锅炉烟垢着火呈上升趋势的原因，不属于匹配问题的原因是（）。

柴油机喷油器雾化不良

[单选题]轴系中心线产生同轴度偏差主要是由于（）造成。

艉轴承过度磨损

[单选题]Before "stand-by" is rung on the engine telegraph, it is usual to give the main engine （） ahead and astern.

a brief trial on power

[单选题]Factor influencing the position of the interface between the liquid seal and the oil in a purifier is （）.

None of the above is wrong

[单选题]Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce（）.

carbon accumulation on the nozzles

[单选题]The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as （）.

delivering the same quantity of fuel to each cylinder for each power stroke according to engine load