题目内容
(请给出正确答案)
[单选题]
在安装过盈量较大的轴承时,宜用()
A.热装
B.锤击
C.冷装
答案
查看答案
A.热装
B.锤击
C.冷装
第2题
A.120.037-120.059,0.04-0.09
B.120.020-120.059,0.04-0.09
C.120.037-120.059,0.01-0.04
D.120.020-120.059,0.01-0.04
第3题
A.清管及试压长度以35km为宜
B.清管球过盈量应为管内径的5%~8%
C.清管时压力一般在0.1~0.5MPa
D.清管器清扫污物时速度应控制在4~5km/h