initial commit / add all books

4 files changed, 48 insertions, 0 deletions

diff --git a/1427/CH9/EX9.1/9_1.sce b/1427/CH9/EX9.1/9_1.sce
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index 000000000..adcd9f927
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+++ b/1427/CH9/EX9.1/9_1.sce
@@ -0,0 +1,13 @@
+//ex1

+//Calculating mass of eutetic in alloy

+clc

+M=1;//Mass of alloy given (in kg)

+P1=73;//Percentage of tin in alloy

+M=M*1000;//Mass of alloy given (in g)

+w1=(P1/100)*M;//Mass of tin in given alloy (in g)

+w2=M-w1;//Mass of lead in given alloy (in g)

+p1=64;//Percentage of tin in eutectic composition

+p2=100-p1;//Percentage of lead in eutectic composition

+w3=(w2*p1)/p2;//Mass of tin in eutectic corresponding to w2 of lead (in g)

+total=w2+w3;//Total mass of eutectic in alloy (in g)

+printf("Total mass of eutectic in alloy = %d g.",total);

diff --git a/1427/CH9/EX9.2/9_2.sce b/1427/CH9/EX9.2/9_2.sce
new file mode 100644
index 000000000..e7f740a24
--- /dev/null
+++ b/1427/CH9/EX9.2/9_2.sce
@@ -0,0 +1,12 @@
+//ex-2

+//Calculating mass of eutectic

+clc

+M=1;//Mass of alloy given (in kg)

+P1=25;//Percentage of Cd in the alloy

+M=M*1000;//Mass of alloy given (in g)

+m1=(P1/100)*M;//Mass of Cd in alloy (in g)

+p1=40;//Pecentage of Cd in eutectic system

+p2=100-p1;//Pecentage of Bi in eutectic system

+mass=(m1*p2)/p1;//Mass of Bi corresponding to m1 of Cd (in g)

+total_mass=m1+mass;//Total mass of eutectic in the alloy (in g)

+printf("Total mass of eutectic in 1kg of alloy = %d g.",total_mass);

diff --git a/1427/CH9/EX9.3/9_3.sce b/1427/CH9/EX9.3/9_3.sce
new file mode 100644
index 000000000..1e7de24e5
--- /dev/null
+++ b/1427/CH9/EX9.3/9_3.sce
@@ -0,0 +1,13 @@
+//ex3

+//Calculating mass of eutectic formed and lead separated out

+clc

+//Part (i)

+M=1000;//Mass of argentiferrous lead sample given (in kg)

+p1=0.1;//Percentage of silver in lead

+p2=2.6;//Percentage of silver in eutectic

+m1=(p1/100)*M;//Mass of Ag in the lead sample (in kg)

+m2=(m1/p2)*100;//Mass of eutectic (in kg)

+printf("Mass of eutectic = %.2f kg.",m2);

+//Part (ii)

+m3=M-m2;//Mass of Pb separated (in kg)

+printf("\n Mass of Pb separated = %.2f kg.",m3);

diff --git a/1427/CH9/EX9.4/9_4.sce b/1427/CH9/EX9.4/9_4.sce
new file mode 100644
index 000000000..a79e94f1b
--- /dev/null
+++ b/1427/CH9/EX9.4/9_4.sce
@@ -0,0 +1,10 @@
+//ex-4

+//Calculating amount of an element formed from an alloy

+clc

+M=10;//Mass of alloy AB given (in g)

+p=25;//Percentage of A in AB

+w1=(p/100)*M;//Weight of A in AB (in g)

+w2=M-w1;//Weight of B in AB (in g)

+w3=w2/3;//Weight of B separated out on cooling in eutectic (in g)

+ans=w2-w3;//Original amount-Amount in eutectic (in g)

+printf("Amount of B formed = %.1f g.",ans);