A .115kN
B .117kN
C .115MPa
D .117MPa
[单选题]新焊装的上、下拉杆头须进行()的拉力试验,保压1min,不得裂纹。A .115KNB .117KNC .115MpaD .117Mpa
[单选题]新焊装下拉杆头的搭接量不得小于()。A .50mmB .65mmC .80mmD .85mm
[单选题]人力制动机制动拉杆链的链环裂纹时须焊修,焊修后须进行()的拉力试验。A .14.70kNB .24.70kNC .26.47KND .36.47Kn
[单选题]各风缸、降压气室裂纹时焊修,焊修后,须进行()的水压试验,保压试验不得漏泄。A .300kPaB .500kPaC .750kPaD .900kPa
[单选题]各风缸、降压气室裂纹时焊修,焊修后,须进行水压试验,并保压()不得A .1minB .2rnnC .3minD .4min
[单选题]各风缸、降压气室裂纹时焊修,焊修后,须进行水压试验,并保压()不得漏泄。A .1minB .2minC .3minD .4min
[单选题]制动拉杆链须进行拉力试验,拉杆链拉力为(),不得裂损或产生永久变形。A . 12.70kNB . 14.70kNC . 14.47kND . 26.47kN
[单选题]新焊装下拉杆头的搭接量不小于()。A . 50mmB . 65mmC . 80mmD . 85mm
[单选题]人力制动机制动轴链链环裂纹时须焊修,焊修后须进行()的拉力试验。A .14.70kNB .24.70kNC .26.47KND .36.47Kn
[单选题]槽钢制动梁调修后须进行拉力试验,保压(),有裂纹或永久变形时报废。A . 1minB . 2minC . 3minD . 4mi