diff options
Diffstat (limited to '3825/CH1')
| -rw-r--r-- | 3825/CH1/EX1.1/Ex1_1.sce | 15 | ||||
| -rw-r--r-- | 3825/CH1/EX1.2/Ex1_2.sce | 9 | ||||
| -rw-r--r-- | 3825/CH1/EX1.3/Ex1_3.sce | 11 | ||||
| -rw-r--r-- | 3825/CH1/EX1.5/Ex1_5.sce | 14 |
4 files changed, 49 insertions, 0 deletions
diff --git a/3825/CH1/EX1.1/Ex1_1.sce b/3825/CH1/EX1.1/Ex1_1.sce new file mode 100644 index 000000000..b5eed1925 --- /dev/null +++ b/3825/CH1/EX1.1/Ex1_1.sce @@ -0,0 +1,15 @@ +clc
+D=50 //diameter of bell jar in cms
+Pin=25 //pressure inside bell jar after evacuation with vaccum pump in pascals
+Pat=101325 //atmospheric pressure in Pascals
+P=Pat-Pin //net pressure acting on bell jar in Pascals
+mprintf('Net pressure acting is%iPa\n',P)
+A=%pi*(D/100)*(D/100)/4 //area of flat plate on which bell jar is resting in metre square with D converted to metres
+F=P*A//net force acting on flat plate in Newton
+mprintf('Minimum force required to lift the bell jar off the plate is%fkN',F/1000)//ans may vary due to roundoff error with F converted into kilo newtons
+
+
+
+
+
+
diff --git a/3825/CH1/EX1.2/Ex1_2.sce b/3825/CH1/EX1.2/Ex1_2.sce new file mode 100644 index 000000000..e78aff5d0 --- /dev/null +++ b/3825/CH1/EX1.2/Ex1_2.sce @@ -0,0 +1,9 @@ +clc
+Rhow=1000 //density of water in ρ(kg/metre cube)
+RhoHg=13.6*(10^3) //density of mercury in ρ(kg/metre cube)
+g=9.81 //gravitational constant in metre/second square
+h=0.2 //in metres
+Pdrop=(RhoHg-Rhow)*g*h
+mprintf('The pressure drop with water in manometer is%fkPa',Pdrop/1000)//ans may vary due to roundoff error with Pdrop converted in kilo pascals
+
+
diff --git a/3825/CH1/EX1.3/Ex1_3.sce b/3825/CH1/EX1.3/Ex1_3.sce new file mode 100644 index 000000000..bd07bb2da --- /dev/null +++ b/3825/CH1/EX1.3/Ex1_3.sce @@ -0,0 +1,11 @@ +clc
+Pa=101.325 //atmospheric pressure in kPa
+A=0.05 //cross sectional area of piston in metre square
+k=50 //spring constant in kN/m
+V0=0.1 //initial volume of gas in metre cube
+V=0.2 //volume of gas at any instant during expansion in metre cube
+P=Pa+((k*(V-V0))/(A*A)); //force balance equation
+mprintf("P=%fkPa",P)//final pressure on gas cylinder
+
+
+
diff --git a/3825/CH1/EX1.5/Ex1_5.sce b/3825/CH1/EX1.5/Ex1_5.sce new file mode 100644 index 000000000..6a2553107 --- /dev/null +++ b/3825/CH1/EX1.5/Ex1_5.sce @@ -0,0 +1,14 @@ +clc
+mol1=0.25 //moles of nitrogen present in mixture
+mol2=0.75 //moles of hydrogen present in mixture
+molmass1=28*(10^(-3))//molar mass of nitrogen in kg
+molmass2=2*(10^(-3)) //molar mass of hydrogen in kg
+mixturemass=(mol1*molmass1)+(mol2*molmass2)//mass of mixture of nitrogen and hydrogen
+mprintf("One mole mixture=%fkg\n",mixturemass)
+Frate1=100 //flow rate of mixture in kg/min
+Frate2=Frate1/mixturemass //flow rate in kmol/min
+mprintf("100kg mixure/min=%fkmol/min",Frate2/1000)//ans varies due to roundoff error
+
+
+
+
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