A 75 mm diameter orific under a head of 4.88 m discharges 8900 N waterin 32.6 s.The trajectory was determined by measuring x=4.76 m for a drop of 1.22.determine t 
      he head loss per unit weight,the power loss,Cc,Cv,Cd                                                                                                          
 
 Solution:   
 
 Cd=   
 
    0.6437713  
 
 Cv=   
 
    0.9754098  
 
 Cc=   
 
    0.6600008  
 
 Head loss=   
 
    0.2370492  
 
 m.N/N   
 
 Power loss=   
 
    64.715881  
 
 W   
 
    0.9754098