问题 问答题 简答题

正常运行中一台循环泵跳闸,出口门未关对机组有影响?如何处理?

答案

参考答案:

跳闸泵可能倒转,循环水流量压力下降、机组真空下降,排汽缸温度升高,低压缸轴承振动大。

处理:检查跳闸泵出口关闭,否则手动关闭。

完形填空
完形填空。
     Only Mother's Love is true love. She gives you everything all her life. When you are a baby, mother looks
after you   1  . In your waking hours she always holds you in her arms. When you are ill, she   2   her work
right away to look after you. When you are growing up, she feels   3  . When you are   4   to go to school,
mother still looks after you all the time. On cold winter days, she always tells you   5   more clothes. She
always stands in the wind   6   for you to come back from school. When you leave home   7   school with
little breakfast, she always feels   8   about you at home. She usually knows about your study and spends
much money   9   your school things. When you do  10  in the exam, you will see the happiest smile on
her face. We should remember Mother's Love forever (永远).
( )1. A. careful    
(     )2. A. does      
(     )3. A. sad        
(     )4. A. old enough
(     )5. A. to take off
(     )6. A. wait      
(     )7. A. to        
(     )8. A. angry      
(     )9. A. on        
(     )10. A. good      
B. carefully  
B. goes on    
B. silly      
B. young enough 
B. to put on  
B. waits      
B. for        
B. active      
B. in          
B. well        
C. good      
C. stops    
C. upset    
C. enough old  
C. take off  
C. waiting  
C. at        
C. worried  
C. with      
C. angrily  
D. badly          
D. likes          
D. happy          
D. enough young           
D. put on         
D. waited         
D. in             
D. pleased        
D. for            
D. happily        
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