正确答案: A

具有明显的简单性和低投资成本，又完全满足船舶加热所需蒸汽量的要求

题目：MAN-B&W公司推出的标准废气锅炉系统，主要特点是废气锅炉为单压蒸汽系统；产生饱和蒸汽供加热之需；废气锅炉与燃油辅助锅炉之间有循环水泵并共用一个汽鼓，对其评价可选为（）。

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学习资料的答案和解析：

[单选题]要求机座全部底脚螺栓中的（）以上的螺栓采用紧配螺栓，以防机座移位。

B．15%

[单选题]消除增压器振动的方法可采用（）。Ⅰ.换新转子；Ⅱ.换新轴承；Ⅲ.动平衡试验；Ⅳ.静平衡试验；Ⅴ.校中测量。

A．Ⅰ＋Ⅱ＋Ⅲ＋Ⅴ

[单选题]备车的正确理解是（）。Ⅰ.保证船舶开航；Ⅱ.保证船舶机动航行；Ⅲ.保证船舶动力装置及设备处于随时可启动和运行

Ⅰ+Ⅱ+Ⅲ

[单选题]If the engine does start on air, but combustion does not immediately begin, the cause may be （）.

the turning gear still engaged

[单选题]In the （） pressure charging system the pulse of energy that occur as the exhaust is released from the cylinder to improve the output of the turbocharger.

pulse

[单选题]Marine four-stroke diesel engines are mainly （）.

of trunk piston type

[单选题]Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?（）

Excessive feedwater temperature

[单选题]White smoke exhausting from an operating diesel engine may indicate （）.

a cracked liner

[单选题]How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）

Eight