正确答案: D

0.7MPa

题目：柴油机部件(缸套、缸盖、活塞顶)作水压试验时，其试验压力一般取______。

解析：D

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举一反三的答案和解析：

[单选题]互见中，机动船在航时避让从事捕鱼的船舶，下列说法正确的是________。

以上均正确

[单选题]某曲柄的两主轴承在水平平面内位置偏左,曲轴轴线呈左拱形,则其_( )。

[单选题]落水者在水温为2~4℃时可生存的时间是_____。

1.5小时

[单选题]满载水线以上水密空间所具有的浮力称为( )。

储备浮力

[单选题]When a ship were found its equipment does not correspond substantially with the particulars of the Certificate by a nominated surveyor and corrective actions unable to be taken, then

the Certificate would be withdrawn

[单选题]A crack in a cylinder liner can be caused by

restricted cooling water passages

[单选题]从扫气口可以观察到下列零部件的工作状态______。Ⅰ.活塞环；Ⅱ.活塞顶；Ⅲ.活塞裙；Ⅳ.活塞杆；Ⅴ.缸套内表面。

Ⅰ＋Ⅱ＋Ⅲ＋Ⅳ＋Ⅴ