正确答案: B

焊补

题目：螺旋桨C区内的缺陷采用（）工艺进行修理。

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学习资料的答案和解析：

[单选题]与废气锅炉蒸发量D有正确关系的是（）。

废气锅炉废气进口温度t1越高，蒸发量越大

[单选题]在检查和调整主机回油阀调节式喷油泵的供油量均匀性时，对始终点调节式喷油泵，可通过转动进回油阀阀杆下的调节螺钉改变顶杆长度，从而调节柱塞的有效行程。当进油阀的顶杆伸长时，柱塞的有效行程（），回油阀的顶杆伸长时，柱塞的有效行程（）。

变大/变小

[单选题]连杆螺栓如发现少量螺纹损坏则应该（）。

换新

[单选题]A cast steel strong back is fitted in way of the combustion space to help absorb （）.

gas force

[单选题]Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.

density

[单选题]Smaller engines can be made more rigid than large ones and may not have （）.

through bolts

[单选题]The piston ring grooves for a standard engine are （）

flame hardened against wear

[单选题]The power output of a turbocharged diesel engine will drop if the cooling water flow through the after-cooler is interrupted because the （）.

air charge density decreases