正确答案: D
            各轴承的轴承间隙 
            题目:增压器转子校中时不需检测()。
           
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            学习资料的答案和解析:
                                                    
                                 
                
                 [单选题]增压器发生故障后采用拆除转子的措施,不仅防止事故扩大,更重要的是保护了转子,但缺点是()。
                                                
                  
                                                                                                                                                                 工作量大 
                                                                                        
                
                
                            
                
                 [单选题]桨叶上同一半径截面上的()螺距的算术平均值称为该截面的截面螺距。
                                                
                  
                                                                                                                     局部 
                                                                                                                                    
                
                
                            
                
                 [单选题]Each cylinder liner on the marine medium speed engines ().
                                                
                  
                                                                                                                     can be replaced when worn out 
                                                                                                                                    
                
                
                            
                
                 [单选题]If the engine () for a long period, there will be a danger of frost.
                                                
                  
                                                                                                                     has to stand inoperative 
                                                                                                                                    
                
                
                            
                
                 [单选题]In an ordinary four-stroke engine the exhaust valves open ()
                                                
                  
                                                                                                                                                                                                             before BDC 
                                            
                
                
                            
                
                 [单选题]If the temperature drops low enough, oil will not flow, () just tell us the temperature.
                                                
                  
                                                                                                                                                                 Pour point 
                                                                                        
                
                
                            
                
                 [单选题]An increased pressure differential between the inlet and outlet of a strainer usually indicates the strainer is ()
                                                
                  
                                                                                                                     fouled