The purpose of treating the cooling water of the d
The purpose of treating the cooling water of the diesel engine is to______. I、 resist the scale formation in the cooling chamber II、lubricate the engine part II III、increase thermal capacity IV、 resist corrosion
A.I + II
B.II + III
C.III + IV
D.I + IV
请帮忙给出正确答案和分析，谢谢！
参考解答
493***780
2024-06-15 03:55:24
正确答案：D
相似问题
The desirable properties of a marine fuel oil shou
The desirable properties of a marine fuel oil should include A high flash point and high viscosityB low flash point and hig
修理过度磨损的钢质活塞环槽可采用_______方法使之恢复原始尺寸A.光车B.喷焊C.光车＋镀铬D.
修理过度磨损的钢质活塞环槽可采用_______方法使之恢复原始尺寸A 光车B 喷焊C 光车＋镀铬D 镀铁请帮忙给出正确答案和分析，谢谢！
Among the basic categories of equipment which of
Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?A hy
What should be prepared before disassembly of cyli
What should be prepared before disassembly of cylinder for main engine or auxiliary engine?请帮忙给出正确答案和分析，谢谢！
判断活塞外圆表面的磨损程度是用______与说明书或标准进行比较而定。Ⅰ.圆度误差；Ⅱ.椭圆度；Ⅲ.
判断活塞外圆表面的磨损程度是用______与说明书或标准进行比较而定。Ⅰ 圆度误差；Ⅱ 椭圆度；Ⅲ 尺寸；Ⅳ 圆柱度误差；Ⅴ 位置度。A Ⅰ＋Ⅱ＋ⅣB Ⅰ＋Ⅳ
