diff options
Diffstat (limited to '1427/CH4')
| -rw-r--r-- | 1427/CH4/EX4.1/4_1.sce | 9 | ||||
| -rw-r--r-- | 1427/CH4/EX4.2/4_2.sce | 11 | ||||
| -rw-r--r-- | 1427/CH4/EX4.3/4_3.sce | 10 | ||||
| -rw-r--r-- | 1427/CH4/EX4.4/4_4.sce | 9 | ||||
| -rw-r--r-- | 1427/CH4/EX4.5/4_5.sce | 11 |
5 files changed, 50 insertions, 0 deletions
diff --git a/1427/CH4/EX4.1/4_1.sce b/1427/CH4/EX4.1/4_1.sce new file mode 100644 index 000000000..e36584fcc --- /dev/null +++ b/1427/CH4/EX4.1/4_1.sce @@ -0,0 +1,9 @@ +//ques-4.1
+//Calculating total pollution load of sample air
+clc
+c1=5;//Content of sulphur dioxide (in ppm)
+c2=20;//Content of nitrogen dioxide (in ppm)
+m3=8;//Content of carbon monoxide (in micrograms/m^3)
+c3=(m3/1000)*(22.4/28);//Content of carbon monoxide (in ppm)
+T=c1+c2+c3;//total
+printf("Total pollution load of sample air is %.4f ppm.",T);
diff --git a/1427/CH4/EX4.2/4_2.sce b/1427/CH4/EX4.2/4_2.sce new file mode 100644 index 000000000..55cc2579d --- /dev/null +++ b/1427/CH4/EX4.2/4_2.sce @@ -0,0 +1,11 @@ +//ques-4.2
+//Calculating COD of given sample
+clc
+v1=5.5;//volume of ferrous ammonium sulphate(FAS) required by unreacted dichromate (in mL)
+v2=26;//volume of FAS in sample (in mL)
+n=0.1;//normality of FAS
+V=25;//volume of distilled water (in mL)
+//1000mL of 1N FAS = 8g of oxygen
+O=(8*n*(v2-v1))/1000;//oxygen in 25mL sample (in g)
+O=O*(1000/25);//oxygen in 1L sample (in g)
+printf("COD of the given sample is %d ppm.",O*1000);
diff --git a/1427/CH4/EX4.3/4_3.sce b/1427/CH4/EX4.3/4_3.sce new file mode 100644 index 000000000..bf70424fc --- /dev/null +++ b/1427/CH4/EX4.3/4_3.sce @@ -0,0 +1,10 @@ +//ques-4.3
+//Calculating COD of effluent sample
+clc
+V=25;//volume of effluent (in mL)
+v=8.3;//volume of dichromate (in mL)
+M=0.001;//molarity of dichromate
+//1000mL of 0.001M dichromate = 6x8x0.001g of oxygen
+O=(6*8*M*v)/1000;//oxygen in 25mL sample (in g)
+O=O*(1000/25);//oxygen in 1L sample (in g)
+printf("COD of effluent sample is %.2f ppm.",O*1000);
diff --git a/1427/CH4/EX4.4/4_4.sce b/1427/CH4/EX4.4/4_4.sce new file mode 100644 index 000000000..a11c22f12 --- /dev/null +++ b/1427/CH4/EX4.4/4_4.sce @@ -0,0 +1,9 @@ +//ques-4.4
+//Calculating BOD of sample
+clc
+o1=920;//Initial dissolved oxygen (in ppm)
+o2=260;//Final dissolved oxygen (in ppm)
+v1=100;//Waste water (in mL)
+v2=100;//Distilled water (in mL)
+ans=(o1-o2)*((v1+v2)/v1);//BOD
+printf("BOD of given sample is %d ppm.",ans);
diff --git a/1427/CH4/EX4.5/4_5.sce b/1427/CH4/EX4.5/4_5.sce new file mode 100644 index 000000000..8ef9683e6 --- /dev/null +++ b/1427/CH4/EX4.5/4_5.sce @@ -0,0 +1,11 @@ +//ques-4.5
+//Determining BOD of given sample
+clc
+V=25;//Volume of water sample (in mL)
+v1=30;//volume of ferrous ammonium sulphate(FAS) in blank (in mL)
+v2=18;//volume of FAS in sample (in mL)
+n=0.1;//normality of FAS
+//1000mL of 1N FAS = 8g oxygen
+O=(8*(v1-v2)*n)/1000;//Oxygen in 25mL of water (in g)
+O=O*(1000/25);//Oxygen in 1L of water (in g)
+printf("COD of given sample is %d ppm.",O*1000);
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