【名词&注释】
压缩空气(compressed air)、液压油(hydraulic oil)、第二阶段(the second stage)、警告牌(warning board)
[单选题]() allows for expansion and water make up in the water cooling system.
A. A top tank
B. A head tank
C. A head valve
D. A drain tank
查看答案&解析
查看所有试题
学习资料:
[单选题]吊缸时,第二阶段的工作是()。
A. 拆前检测
B. 拆卸与清洗
C. 检测与修理
D. 安装与调试
[单选题]吊缸主机检修时,应当(),以防止伤人和损坏机件。
A. 合上盘车机
B. 脱开盘车机
C. 在主机操纵部位悬挂警告牌(warning board)
D. 合上盘车机并在主机操纵部位悬挂警告牌(warning board)
[单选题]在更换液压拉伸器的密封环时,应尽量使用()将活塞和油缸分离。
A. 压缩空气通过泄放旋塞孔
B. 油泵泵入液压油
C. 橇棒
D. 木捶敲击
[单选题]操舵轻松,航向失控可能是()。
A. 舵杆变形
B. 舵承间隙大
C. 舵叶进水
D. 舵杆折断
[单选题]舵杆工作表面过度磨损可以采用()修复。
A. 光车
B. 堆焊后光车
C. 喷涂后光车
D. 镀铬
[单选题]The cooling water jacket is common to all the cylinders but there are often () to ensure that each cylinder receives the right amount and flow of water.
A. dividing walls
B. divided walls
C. dividing liners
D. divided jacket
[单选题]The development of oils () the increasing demands made by the steady rise in powers produced by modem diesels.
A. has kept pace with
B. has kept pace to
C. has made pace with
D. has made pace to
本文链接:https://www.51bdks.net/show/7gyerr.html