From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1478/CH2/EX2.18.40/2_18_40.sce | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100755 1478/CH2/EX2.18.40/2_18_40.sce

(limited to '1478/CH2/EX2.18.40')

diff --git a/1478/CH2/EX2.18.40/2_18_40.sce b/1478/CH2/EX2.18.40/2_18_40.sce
new file mode 100755
index 000000000..e94a241da
--- /dev/null
+++ b/1478/CH2/EX2.18.40/2_18_40.sce
@@ -0,0 +1,26 @@
+//water and its treatment//
+//example 2.18.40//
+clc    
+Purity_Lime=.74
+Purity_soda=.90
+W1=73;//amount of Mg(HCO3)2 in ppm//
+W2=120;//amount of MgSO4 in ppm//
+W3=22.2;//amount of CaCl2 in ppm//
+W4=164;//amount of Ca(NO3)3 in ppm//
+W5=15;//amount of SiO2 in ppm//
+M1=100/146;//multiplication factor of Mg(HCO3)2//
+M2=100/120;//multiplication factor of MgSO4//
+M3=100/111;//multiplication factor of CaCl2//
+M4=100/164//multiplication factor of Ca(NO3)2//
+P1=W1*M1;//in terms of CaCO3//L
+P2=W2*M2;//in terms of CaCO3//L+S 
+P3=W3*M3;//in terms of CaCO3//S
+P4=W4*M4;//in terms of CaCO3//S
+printf ("We do not take SiO2 since it does not react with lime/soda");
+V=5000;//volume of water in litres//
+L=0.74*(P1*2+P2)*V/Purity_Lime;//lime required in mg//
+L=L/10^6;
+printf("\nLime required is %.0fkg",L);
+S=1.06*(P2+P3+P4)*V/Purity_soda;//soda required in mg//
+S=S/10^6;
+printf("\nSoda required is %.1fkg",S)
\ No newline at end of file
-- 
cgit