正确答案: D

the highest point

题目：Air cocks, usually positioned at the （） in a circulating system, is used to get rid of the air in the system.

学习资料的答案和解析：

[单选题]There is （） in any water cooling system for a diesel engine allowing for expansion and water make-up in the system as well as air vent and chemicals addition.

a head tank

[单选题]On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?（）

Engine is hard to start

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烟灰具有粘性，这是烟灰发生沉积的重要因素，关于烟灰粘性的预防
在船上吊缸检查活塞组件时，不必检测（）。
（） are generally formed in the frame of the both in-line a
（）是用来处理船上污油水、油泥、生活污水及各种垃圾的设备。
二冲程直流扫气式柴油机吊缸时不检查（）。
采用压铅法测量主轴承的轴承间隙时，不应（），以免破坏测量工作
舵系中心线与轴系中心线应该（）。
已知6300ZC型船用柴油机气缸套最大内径增量为1.2mm，则最大缸径
A common trouble with the fuel pump plunger or fuel valve sp
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Measure （） by means of lead wire.
Marine four-stroke diesel engines are mainly （）.
Main bearings are required to support the crankshaft at each
Leaky exhaust valve will result in which of the following?（
It is well known that good lubrication will （） the bearing
Keep compartment （） as the gas given off can be dangerous.
It is very necessary that each cylinder （） before the char
Low compression results from （）.
Lubricating oil for an engine is stored at the bottom of the
It is necessary to remove （） from the cooling spaces.

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