正确答案: C

Ⅰ＋Ⅱ＋Ⅲ＋Ⅳ＋Ⅴ

题目：单轴系的特点是（）。Ⅰ.直接传动；Ⅱ.结构简单可靠；Ⅲ.便于操纵；Ⅳ.便于维护管理；Ⅴ.建造费用低。

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学习资料的答案和解析：

[单选题]水润滑艉轴承填料函中的填料为（）。

浸油脂棉、麻绳或尼龙绳

[单选题]（） is the removal of exhaust gases by blowing in fresh air.

Scavenging

[单选题]In each cylinder cover there are two or three holes for （）

the fuel valves

[单选题]Valve gear knocks are more easily located while the engine （）.

is running

[单选题]Vee-type engines have the connecting rods from two cylinders connected to each （） of the crankshaft.

throw

[单选题]When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will （）.

pick up more of any increase in load

[单选题]High firing pressures and a low exhaust temperature in a diesel engine may result from （）.

early fuel injection timing