
【名词&注释】
压缩空气(compressed air)、压力容器(pressure vessel)、防污染设备
                            
                                                                                         
                                                                    
                                                                     [单选题]储存予压力容器内的压缩空气、氯气和乙炔加压溶解的气体分别属于《国际危规》中的( )。
                                                                                                
                                  A. 2.1类,2.2类和2.3类 
  B. 非危险货物,2.2类和2.3类 
  C. 2.2类,2.1类和2.3类 
  D. 2.2类,2.3类和2.1类 
 
                                    
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                                                                    举一反三:
                                                                    
                                                                         
                                    
                                     [单选题]For the Wartsila 50DF, the complete combustion compared with the lean-combustion can decrease the following results ____ .①Exhaust temperatures ②NOx emissions ③Propeller efficiency ④Output ⑤Cylinder knocking ⑥Fuel supply
                                                                                                            
                                            A. ①② 
  B. ③⑥ 
  C. ④ 
  D. ④⑤ 
 
                                                                    
                                    
                                     [单选题]交叉相遇局面条款要求让路船如环境许可应避免横越他船前方,这意味着:I、让路船应避免向左转向;II、要求直航船增速以便增大两船的DCPA;III、让路船如保持原航向,则不应采取加速措施
                                                                                                            
                                            A. I、II、III 
  B. I、III 
  C. II、III 
  D. III 
 
                                                                    
                                    
                                     [单选题]下列不是400总吨以上非油轮必须配备防污染设备是_______。
                                                                                                            
                                            A. 装设标准排放接头 
  B. 装设过滤系统或油水分离设备 
  C. 装设排油监控装置 
  D. 以上都对 
 
                                                                    
                                    
                                     [单选题]Each cylinder liner on the marine medium speed engines _____.
                                                                                                            
                                            A. is usually cooled by sea water 
  B. can be replaced when worn out 
  C. is in direct contact with the water in the bore of the cylinder 
  D. can t expand when heated 
 
                                                            
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