12 files changed, 89 insertions, 0 deletions
diff --git a/2021/CH4/EX4.1/EX4_1.sce b/2021/CH4/EX4.1/EX4_1.sce
new file mode 100755
index 000000000..c7cdd5cb8
--- /dev/null
+++ b/2021/CH4/EX4.1/EX4_1.sce
@@ -0,0 +1,17 @@
+//Finding of water displaced and position of centre buoyancy
+//Given
+l=2;
+h=1.5;
+b=4;
+v=l*b*h;
+spgr=0.7;
+rho=700;
+rho1=1000;
+g=9.81;
+w=rho*g*v;
+//To Find 
+wd=w/(rho1*g);
+disp("Water Displaced = "+string(wd)+" m^3");
+h1=wd/(l*b);
+h2=h1/2;
+disp("Positin of Centre Buoyancy = "+string(h2)+" m");
diff --git a/2021/CH4/EX4.1/Ex4_1.pdf b/2021/CH4/EX4.1/Ex4_1.pdf
new file mode 100755
index 000000000..516509cf3
--- /dev/null
+++ b/2021/CH4/EX4.1/Ex4_1.pdf
diff --git a/2021/CH4/EX4.3/EX4_3.sce b/2021/CH4/EX4.3/EX4_3.sce
new file mode 100755
index 000000000..f03eceb1b
--- /dev/null
+++ b/2021/CH4/EX4.3/EX4_3.sce
@@ -0,0 +1,14 @@
+//Finding of volume and specific gravity
+//given
+w=490.5;             //In Air in Newton
+w1=196.2;            //In Water in Newton
+rho=1000;
+g=9.81;
+rho1=5000;
+//To Find 
+wd=w-w1;
+vd=wd/(rho*g);
+rho2=(w/g)/vd;
+spgr=rho1/(rho*3);
+disp("Volume = "+string(rho2)+" Kg/m^3");
+disp("Specific Gravity  is= "+string(spgr)+" No units")
diff --git a/2021/CH4/EX4.3/Ex4_3.pdf b/2021/CH4/EX4.3/Ex4_3.pdf
new file mode 100755
index 000000000..0ea14f9a4
--- /dev/null
+++ b/2021/CH4/EX4.3/Ex4_3.pdf
diff --git a/2021/CH4/EX4.4/EX4_4.sce b/2021/CH4/EX4.4/EX4_4.sce
new file mode 100755
index 000000000..14e9ae145
--- /dev/null
+++ b/2021/CH4/EX4.4/EX4_4.sce
@@ -0,0 +1,14 @@
+//Finding of Mass,Density,Specific Gravity
+//Given
+v=2*1*3;
+w=3924;
+rho=1000;
+g=9.81;
+wd=rho*g*v;
+w1=w+wd;
+m=w1/g;
+rho1=m/v;
+spgr=rho1/rho;
+disp("Mass is = "+string(m)+" Kg");
+disp("Density is = "+string(rho1)+" Kg/m^3");
+disp("Specific Gravity = "+string(spgr)+" No units")
diff --git a/2021/CH4/EX4.4/Ex4_4.pdf b/2021/CH4/EX4.4/Ex4_4.pdf
new file mode 100755
index 000000000..c75e9c06b
--- /dev/null
+++ b/2021/CH4/EX4.4/Ex4_4.pdf
diff --git a/2021/CH4/EX4.5/EX4_5.sce b/2021/CH4/EX4.5/EX4_5.sce
new file mode 100755
index 000000000..5660bbd67
--- /dev/null
+++ b/2021/CH4/EX4.5/EX4_5.sce
@@ -0,0 +1,11 @@
+//Finding of Density
+//Given
+h1=0.4;
+h2=0.6;
+rho=1000;
+rho1=13600;
+g=9.81;
+wd=rho*0.6;
+md=rho1*0.4;
+rho2=wd+md;
+disp("Density is = "+string(rho2)+" Kg/m^3");
diff --git a/2021/CH4/EX4.5/Ex4_5.pdf b/2021/CH4/EX4.5/Ex4_5.pdf
new file mode 100755
index 000000000..4a9c3b4a5
--- /dev/null
+++ b/2021/CH4/EX4.5/Ex4_5.pdf
diff --git a/2021/CH4/EX4.6/EX4_6.pdf b/2021/CH4/EX4.6/EX4_6.pdf
new file mode 100755
index 000000000..aaa1ed49a
--- /dev/null
+++ b/2021/CH4/EX4.6/EX4_6.pdf
diff --git a/2021/CH4/EX4.6/EX4_6.sce b/2021/CH4/EX4.6/EX4_6.sce
new file mode 100755
index 000000000..41d34e557
--- /dev/null
+++ b/2021/CH4/EX4.6/EX4_6.sce
@@ -0,0 +1,18 @@
+//Finding of  Weight and Metacentric height
+//Given
+l=4;
+b=2;
+h=1;
+d=0.6;
+v=l*b*d;
+rho=1000;
+g=9.81;
+//To Find
+wd=rho*g*v;
+disp("Weight of the body ="+string(wd)+" Newtons");
+I=(l*b^3)/12;
+h1=h/2;
+d1=d/2;
+h2=h1-d1;
+mh=(I/v)-h2;
+disp("Metacentric Height ="+string(mh)+" meter");
diff --git a/2021/CH4/EX4.7/EX4_7.pdf b/2021/CH4/EX4.7/EX4_7.pdf
new file mode 100755
index 000000000..6b2f55ebf
--- /dev/null
+++ b/2021/CH4/EX4.7/EX4_7.pdf
diff --git a/2021/CH4/EX4.7/EX4_7.sce b/2021/CH4/EX4.7/EX4_7.sce
new file mode 100755
index 000000000..c8f469ba8
--- /dev/null
+++ b/2021/CH4/EX4.7/EX4_7.sce
@@ -0,0 +1,15 @@
+//Finding pf Metacentric Height
+//Given
+d=3;
+h=2;
+spgr=0.7;
+h1=h*spgr;
+pi=3.14;
+//To Find
+h2=h/2;
+h3=h1/2;
+h4=h2-h3;
+mh=(pi*d^4)/64;
+vwd=(pi*d^2*h1)/4;
+mg=(mh/vwd)-h4;
+disp("Metacentric Height is ="+string(mg)+" meter");