正确答案: A

diameters of journals

题目：Bridge gauge can be used to measure （） of a diesel engine.

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]废气锅炉烟道温度在1000℃以上时可能发生（）。

氢着火

[单选题]废气锅炉受热面废气温度不能太低，否则凝结的硫酸可使烟灰有粘性，会增加烟垢形成的趋势，因此锅炉废气出口温度应不低于（）℃，锅炉进口给水循环温度应高于（）℃（对有预热器的）。

155/120—130

[单选题]船用增压器多采用（）轴承，因其具有（）、产生热量少和滑油耗量少等优点。

B．滑动/抗咬合性好

[单选题]按直线校中原理校中轴系时，下述正确的是（）。

δ＝0.05～0.10mm/m，φ＝0.10～0.15mm/m

[单选题]A SECONDARY function of a waste heat boiler is to （）.

reduce engine exhaust noise

[单选题]The rate of heat transfer in a water-tube auxiliary boiler can be increased by （）.

installing fins on the firesides of water-tubes

[单选题]Auxiliary boilers are divided into several classifications, one of which is （）.

water-tube forced circulation

[单选题]A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.

reduce the engine load

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

Eight