2 files changed, 20 insertions, 0 deletions
diff --git a/2873/CH1/EX1.11/Ex1_11.jpg b/2873/CH1/EX1.11/Ex1_11.jpg
new file mode 100755
index 000000000..b5cf33938
--- /dev/null
+++ b/2873/CH1/EX1.11/Ex1_11.jpg
diff --git a/2873/CH1/EX1.11/Ex1_11.sce b/2873/CH1/EX1.11/Ex1_11.sce
new file mode 100755
index 000000000..11d366356
--- /dev/null
+++ b/2873/CH1/EX1.11/Ex1_11.sce
@@ -0,0 +1,20 @@
+// Display mode
+mode(0);
+// Display warning for floating point exception
+ieee(1);
+clear;
+clc;
+disp("Engineering Thermodynamics by Onkar Singh,Chapter 1,Example 11")
+Patm=90*10^3;//atmospheric pressure in pa
+RHOw=1000;//density of water in kg/m^3
+RHOm=13600;//density of mercury in kg/m^3
+RHOo=850;//density of oil in kg/m^3
+g=9.81;//acceleration due to ggravity in m/s^2
+h1=.15;//height difference between water column in m
+h2=.25;//height difference between oil column in m
+h3=.4;//height difference between mercury column in m
+disp("the pressure of air in air tank can be obtained by equalising pressures at some reference line")
+disp("P1+RHOw*g*h1+RHOo*g*h2 = Patm+RHOm*g*h3")
+disp("so P1 = Patm+RHOm*g*h3-RHOw*g*h1-RHOo*g*h2")
+disp("air pressure(P1)in kpa")
+P1=(Patm+RHOm*g*h3-RHOw*g*h1-RHOo*g*h2)/1000