
【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 
 
                                    
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                                                                    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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