
【名词&注释】
隔离法(isolation method)、不明显(not obvious)、空压机气阀
[单选题]During the watch keeping at sea, the engineer in charge should notify______in the event of any serious occurrence or a situation where he is unsure of the action to take
A. the master
B. the chief engineer
C. the bridge
D. the company superintendent
查看答案&解析
举一反三:
[单选题]Which radio equipment is not necessary for the ships sailing in the sea area A2?
A. MF DSC
B. VHF radio telephone
C. VHF DSC
D. VHF EPIRB
[单选题]维持艇首顶风顶浪减少上浪,防止艇、筏倾覆应施放()
A. 绳索
B. 镇浪油
C. 海锚
[单选题]空压机气阀组装好后用煤油试漏,( )。
A. 滴油不应超过10滴/分
B. 滴油不应超过20滴/分
C. 滴油不应超过30滴/分
D. 不应滴油
[单选题]精密偶件端面的机械密封不良的主要原因是( )。
A. 磨损
B. 腐蚀
C. 变形
D. 腐蚀或变形
[单选题]筒状活塞冷却侧的裂纹常发生在
A. 截面变化处
B. 活塞销座
C. 有缺陷处
D. 内孔壁面
[单选题]关节脱位处()
A. 触之饱满
B. 触之空虚
C. 改变不明显
[单选题]CO2的灭火原理主要是______。
A. 化学中断法
B. 窒息作用
C. 隔离法
D. 冷却法
[单选题]If scavenge box should be hot, _______would occur.
A. seized piston
B. defective atomizer
C. scavenge fire
D. too much L.O
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