•4) N = 



NREDG + NYP 



(SS - F) 

 55 

 1 - NSI 



1 - e 



1 



1 - NSI 



20 



20 



1 - NSI 



NSUB 



NREDG = 3.3 + 0.45 e 



Pb 



- 1 



. 1 



NSI = 0.53 + 0.07 e 



CI. 8 - Pb) 



0.9 



.35 



10 



NYP = 0.5 + 0.05 e 



(Pb - 0.9) 



0.9 



0.7 



0.55 e 



(Pb - 0.9) . 

 0.785 



.4 



NSUB =0.1 



(1.8 - Pb) 

 0.9 



- 1 



.35 



10, 



32. 5 



.38 



10 



(5) I = 0.01 



NOTE: < OM < 15% 

 0.9 < Pb < 1. 

 < F < 55°6 



19 



