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-rw-r--r--2966/CH3/EX3.1.27/3_1_27.sce8
-rw-r--r--2966/CH3/EX3.1.33/3_1_33.sce10
-rw-r--r--2966/CH3/EX3.1/3_1.sce8
-rw-r--r--2966/CH3/EX3.10.31/3_10_31.sce13
-rw-r--r--2966/CH3/EX3.10.38/3_10_38.sce13
-rw-r--r--2966/CH3/EX3.10/3_10.sce13
-rw-r--r--2966/CH3/EX3.11/3_11.sce10
-rw-r--r--2966/CH3/EX3.12/3_12.sce10
-rw-r--r--2966/CH3/EX3.13/3_13.sce10
-rw-r--r--2966/CH3/EX3.14/3_14.sce12
-rw-r--r--2966/CH3/EX3.15/3_15.sce16
-rw-r--r--2966/CH3/EX3.16/3_16.sce10
-rw-r--r--2966/CH3/EX3.17/3_17.sce10
-rw-r--r--2966/CH3/EX3.18/3_18.sce10
-rw-r--r--2966/CH3/EX3.19/3_19.sce13
-rw-r--r--2966/CH3/EX3.2.28/3_2_28.sce11
-rw-r--r--2966/CH3/EX3.2.33/3_2_33.sce10
-rw-r--r--2966/CH3/EX3.2/3_2.sce11
-rw-r--r--2966/CH3/EX3.20/3_20.sce13
-rw-r--r--2966/CH3/EX3.3.28/3_3_28.sce10
-rw-r--r--2966/CH3/EX3.3.34/3_3_34.sce10
-rw-r--r--2966/CH3/EX3.3/3_3.sce10
-rw-r--r--2966/CH3/EX3.4.29/3_4_29.sce10
-rw-r--r--2966/CH3/EX3.4.35/3_4_35.sce12
-rw-r--r--2966/CH3/EX3.4/3_4.sce10
-rw-r--r--2966/CH3/EX3.5.29/3_5_29.sce10
-rw-r--r--2966/CH3/EX3.5.35/3_5_35.sce16
-rw-r--r--2966/CH3/EX3.5/3_5.sce10
-rw-r--r--2966/CH3/EX3.6.30/3_6_30.sce13
-rw-r--r--2966/CH3/EX3.6.36/3_6_36.sce10
-rw-r--r--2966/CH3/EX3.6/3_6.sce13
-rw-r--r--2966/CH3/EX3.7.30/3_7_30.sce13
-rw-r--r--2966/CH3/EX3.7.37/3_7_37.sce10
-rw-r--r--2966/CH3/EX3.7/3_7.sce13
-rw-r--r--2966/CH3/EX3.8.31/3_8_31.sce13
-rw-r--r--2966/CH3/EX3.8.37/3_8_37.sce10
-rw-r--r--2966/CH3/EX3.8/3_8.sce13
-rw-r--r--2966/CH3/EX3.9.31/3_9_31.sce11
-rw-r--r--2966/CH3/EX3.9.38/3_9_38.sce13
-rw-r--r--2966/CH3/EX3.9/3_9.sce11
40 files changed, 452 insertions, 0 deletions
diff --git a/2966/CH3/EX3.1.27/3_1_27.sce b/2966/CH3/EX3.1.27/3_1_27.sce
new file mode 100644
index 000000000..e1e200f2c
--- /dev/null
+++ b/2966/CH3/EX3.1.27/3_1_27.sce
@@ -0,0 +1,8 @@
+//lubricants//
+//page 3.27 example 1//
+clc
+wt_oil=4.55//weight f oil saponified(gms)//
+volume=2.1//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/gm",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.1.33/3_1_33.sce b/2966/CH3/EX3.1.33/3_1_33.sce
new file mode 100644
index 000000000..30023ae8f
--- /dev/null
+++ b/2966/CH3/EX3.1.33/3_1_33.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.33 example 1//
+clc
+wt_oil=2.5//weight f oil saponified(gms)//
+blank=49.0//volume blank titration reading(ml)//
+back=26.4//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.4//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.3f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.1/3_1.sce b/2966/CH3/EX3.1/3_1.sce
new file mode 100644
index 000000000..e1e200f2c
--- /dev/null
+++ b/2966/CH3/EX3.1/3_1.sce
@@ -0,0 +1,8 @@
+//lubricants//
+//page 3.27 example 1//
+clc
+wt_oil=4.55//weight f oil saponified(gms)//
+volume=2.1//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/gm",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.10.31/3_10_31.sce b/2966/CH3/EX3.10.31/3_10_31.sce
new file mode 100644
index 000000000..040c17d83
--- /dev/null
+++ b/2966/CH3/EX3.10.31/3_10_31.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.31 example 10//
+clc
+vol_oil=10//in ml//
+den_oil=0.91//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=5//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.10.38/3_10_38.sce b/2966/CH3/EX3.10.38/3_10_38.sce
new file mode 100644
index 000000000..6337d592c
--- /dev/null
+++ b/2966/CH3/EX3.10.38/3_10_38.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.38 example 10//
+clc
+S_C=191//Saponification value of castor oil//
+wt_oil=2.5//weight f oil saponified(gms)//
+blank=40//volume blank titration reading(ml)//
+back=24//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+N=0.5//normality of KOH for equivalence//
+S_blended=volume*N*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of blended oil is %.1f mg/g",S_blended);
+pc_C=(S_blended/S_C)*100
+printf("\npercentage of castor oil in blend is %.2f percent",pc_C); \ No newline at end of file
diff --git a/2966/CH3/EX3.10/3_10.sce b/2966/CH3/EX3.10/3_10.sce
new file mode 100644
index 000000000..040c17d83
--- /dev/null
+++ b/2966/CH3/EX3.10/3_10.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.31 example 10//
+clc
+vol_oil=10//in ml//
+den_oil=0.91//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=5//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.11/3_11.sce b/2966/CH3/EX3.11/3_11.sce
new file mode 100644
index 000000000..30023ae8f
--- /dev/null
+++ b/2966/CH3/EX3.11/3_11.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.33 example 1//
+clc
+wt_oil=2.5//weight f oil saponified(gms)//
+blank=49.0//volume blank titration reading(ml)//
+back=26.4//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.4//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.3f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.12/3_12.sce b/2966/CH3/EX3.12/3_12.sce
new file mode 100644
index 000000000..f2e4deff4
--- /dev/null
+++ b/2966/CH3/EX3.12/3_12.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.33 example 2//
+clc
+wt_oil=5//weight f oil saponified(gms)//
+blank=44//volume blank titration reading(ml)//
+back=17//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.5//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.1f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.13/3_13.sce b/2966/CH3/EX3.13/3_13.sce
new file mode 100644
index 000000000..1a2bce946
--- /dev/null
+++ b/2966/CH3/EX3.13/3_13.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.34 example 3//
+clc
+S=180//Saponification value of oil//
+wt_oil=1//weight f oil saponified(gms)//
+blank=50//volume blank titration reading(ml)//
+normality_KOH=0.4//normality of KOH //
+volume=S*wt_oil/(normality_KOH*56)//formula for saponification value//
+back=blank-volume//volume of alcoholic KOH consumed(ml)//
+printf("\nQuantity of alcoholic KOH required per gram is %.0f ml",back); \ No newline at end of file
diff --git a/2966/CH3/EX3.14/3_14.sce b/2966/CH3/EX3.14/3_14.sce
new file mode 100644
index 000000000..73b03c52a
--- /dev/null
+++ b/2966/CH3/EX3.14/3_14.sce
@@ -0,0 +1,12 @@
+//lubricants//
+//page 3.35 example 4//
+clc
+wt_oil=2.5//weight f oil saponified(gms)//
+blank=40//volume blank titration reading(ml)//
+back=20//volume back titration reading(ml)//
+normality_KOH=0.25//normality of KOH //
+normality_HCl=.5//normality of HCl//
+e=normality_HCl/normality_KOH//for equivalence in titration //
+volume=(blank-back)*e//volume of alcoholic KOH consumed(ml)//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.0f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.15/3_15.sce b/2966/CH3/EX3.15/3_15.sce
new file mode 100644
index 000000000..2213482a8
--- /dev/null
+++ b/2966/CH3/EX3.15/3_15.sce
@@ -0,0 +1,16 @@
+//lubricants//
+//page 3.35 example 5//
+clc
+S_C=192//Saponification value of castor oil//
+wt_oil=16//weight f oil saponified(gms)//
+blank=45//volume blank titration reading(ml)//
+back=31.5//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+N_H=0.5//normality of HCl in titration//
+V_H=blank//volume of HCl in titration(ml)//
+V_K=50//volume of KOH in titration(ml)//
+N_K=N_H*V_H/V_K//normality of KOH for equivalence//
+S_blended=volume*N_K*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of blended oil is %.2f mgs KOH",S_blended);
+pc_C=(S_blended/S_C)*100
+printf("\npercentage of castor oil in blend is %.3f percent",pc_C); \ No newline at end of file
diff --git a/2966/CH3/EX3.16/3_16.sce b/2966/CH3/EX3.16/3_16.sce
new file mode 100644
index 000000000..36a80b9f2
--- /dev/null
+++ b/2966/CH3/EX3.16/3_16.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.36 example 6//
+clc
+wt_oil=3//weight f oil saponified(gms)//
+blank=36//volume blank titration reading(ml)//
+back=12//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.5//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.17/3_17.sce b/2966/CH3/EX3.17/3_17.sce
new file mode 100644
index 000000000..a5b3126a9
--- /dev/null
+++ b/2966/CH3/EX3.17/3_17.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.37 example 7//
+clc
+wt_oil=1.55//weight f oil saponified(gms)//
+blank=20//volume blank titration reading(ml)//
+back=15//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=1/2//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.2f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.18/3_18.sce b/2966/CH3/EX3.18/3_18.sce
new file mode 100644
index 000000000..cb2ae9b3e
--- /dev/null
+++ b/2966/CH3/EX3.18/3_18.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.37 example 8//
+clc
+wt_oil=1.25//weight f oil saponified(gms)//
+blank=50//volume blank titration reading(ml)//
+back=7.5//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.1//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.1f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.19/3_19.sce b/2966/CH3/EX3.19/3_19.sce
new file mode 100644
index 000000000..71f96902d
--- /dev/null
+++ b/2966/CH3/EX3.19/3_19.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.38 example 9//
+clc
+S_C=188//Saponification value of castor oil//
+wt_oil=12.3//weight f oil saponified(gms)//
+blank=45//volume blank titration reading(ml)//
+back=30.2//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+N=0.5//normality of KOH for equivalence//
+S_blended=volume*N*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of blended oil is %.2f mg/g",S_blended);
+pc_C=(S_blended/S_C)*100
+printf("\npercentage of castor oil in blend is %.2f percent",pc_C); \ No newline at end of file
diff --git a/2966/CH3/EX3.2.28/3_2_28.sce b/2966/CH3/EX3.2.28/3_2_28.sce
new file mode 100644
index 000000000..c9818cd95
--- /dev/null
+++ b/2966/CH3/EX3.2.28/3_2_28.sce
@@ -0,0 +1,11 @@
+//lubricants//
+//page 3.28 example 2//
+clc
+wt_oil=10//weight f oil saponified(gms)//
+volume=2.4//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.2.33/3_2_33.sce b/2966/CH3/EX3.2.33/3_2_33.sce
new file mode 100644
index 000000000..f2e4deff4
--- /dev/null
+++ b/2966/CH3/EX3.2.33/3_2_33.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.33 example 2//
+clc
+wt_oil=5//weight f oil saponified(gms)//
+blank=44//volume blank titration reading(ml)//
+back=17//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.5//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.1f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.2/3_2.sce b/2966/CH3/EX3.2/3_2.sce
new file mode 100644
index 000000000..c9818cd95
--- /dev/null
+++ b/2966/CH3/EX3.2/3_2.sce
@@ -0,0 +1,11 @@
+//lubricants//
+//page 3.28 example 2//
+clc
+wt_oil=10//weight f oil saponified(gms)//
+volume=2.4//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.20/3_20.sce b/2966/CH3/EX3.20/3_20.sce
new file mode 100644
index 000000000..6337d592c
--- /dev/null
+++ b/2966/CH3/EX3.20/3_20.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.38 example 10//
+clc
+S_C=191//Saponification value of castor oil//
+wt_oil=2.5//weight f oil saponified(gms)//
+blank=40//volume blank titration reading(ml)//
+back=24//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+N=0.5//normality of KOH for equivalence//
+S_blended=volume*N*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of blended oil is %.1f mg/g",S_blended);
+pc_C=(S_blended/S_C)*100
+printf("\npercentage of castor oil in blend is %.2f percent",pc_C); \ No newline at end of file
diff --git a/2966/CH3/EX3.3.28/3_3_28.sce b/2966/CH3/EX3.3.28/3_3_28.sce
new file mode 100644
index 000000000..fcf204b43
--- /dev/null
+++ b/2966/CH3/EX3.3.28/3_3_28.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.28 example 3//
+clc
+vol_oil=20//in ml//
+den_oil=0.86//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=2.5//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.1//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.3.34/3_3_34.sce b/2966/CH3/EX3.3.34/3_3_34.sce
new file mode 100644
index 000000000..1a2bce946
--- /dev/null
+++ b/2966/CH3/EX3.3.34/3_3_34.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.34 example 3//
+clc
+S=180//Saponification value of oil//
+wt_oil=1//weight f oil saponified(gms)//
+blank=50//volume blank titration reading(ml)//
+normality_KOH=0.4//normality of KOH //
+volume=S*wt_oil/(normality_KOH*56)//formula for saponification value//
+back=blank-volume//volume of alcoholic KOH consumed(ml)//
+printf("\nQuantity of alcoholic KOH required per gram is %.0f ml",back); \ No newline at end of file
diff --git a/2966/CH3/EX3.3/3_3.sce b/2966/CH3/EX3.3/3_3.sce
new file mode 100644
index 000000000..fcf204b43
--- /dev/null
+++ b/2966/CH3/EX3.3/3_3.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.28 example 3//
+clc
+vol_oil=20//in ml//
+den_oil=0.86//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=2.5//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.1//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.4.29/3_4_29.sce b/2966/CH3/EX3.4.29/3_4_29.sce
new file mode 100644
index 000000000..10b485215
--- /dev/null
+++ b/2966/CH3/EX3.4.29/3_4_29.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.29 example 4//
+clc
+vol_oil=10//in ml//
+den_oil=0.92//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=4//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.01//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.4.35/3_4_35.sce b/2966/CH3/EX3.4.35/3_4_35.sce
new file mode 100644
index 000000000..73b03c52a
--- /dev/null
+++ b/2966/CH3/EX3.4.35/3_4_35.sce
@@ -0,0 +1,12 @@
+//lubricants//
+//page 3.35 example 4//
+clc
+wt_oil=2.5//weight f oil saponified(gms)//
+blank=40//volume blank titration reading(ml)//
+back=20//volume back titration reading(ml)//
+normality_KOH=0.25//normality of KOH //
+normality_HCl=.5//normality of HCl//
+e=normality_HCl/normality_KOH//for equivalence in titration //
+volume=(blank-back)*e//volume of alcoholic KOH consumed(ml)//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.0f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.4/3_4.sce b/2966/CH3/EX3.4/3_4.sce
new file mode 100644
index 000000000..10b485215
--- /dev/null
+++ b/2966/CH3/EX3.4/3_4.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.29 example 4//
+clc
+vol_oil=10//in ml//
+den_oil=0.92//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=4//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.01//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.5.29/3_5_29.sce b/2966/CH3/EX3.5.29/3_5_29.sce
new file mode 100644
index 000000000..fd197a650
--- /dev/null
+++ b/2966/CH3/EX3.5.29/3_5_29.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.29 example 5//
+clc
+vol_oil=9//in ml//
+den_oil=0.81//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=1.5//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.04//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.5.35/3_5_35.sce b/2966/CH3/EX3.5.35/3_5_35.sce
new file mode 100644
index 000000000..2213482a8
--- /dev/null
+++ b/2966/CH3/EX3.5.35/3_5_35.sce
@@ -0,0 +1,16 @@
+//lubricants//
+//page 3.35 example 5//
+clc
+S_C=192//Saponification value of castor oil//
+wt_oil=16//weight f oil saponified(gms)//
+blank=45//volume blank titration reading(ml)//
+back=31.5//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+N_H=0.5//normality of HCl in titration//
+V_H=blank//volume of HCl in titration(ml)//
+V_K=50//volume of KOH in titration(ml)//
+N_K=N_H*V_H/V_K//normality of KOH for equivalence//
+S_blended=volume*N_K*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of blended oil is %.2f mgs KOH",S_blended);
+pc_C=(S_blended/S_C)*100
+printf("\npercentage of castor oil in blend is %.3f percent",pc_C); \ No newline at end of file
diff --git a/2966/CH3/EX3.5/3_5.sce b/2966/CH3/EX3.5/3_5.sce
new file mode 100644
index 000000000..fd197a650
--- /dev/null
+++ b/2966/CH3/EX3.5/3_5.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.29 example 5//
+clc
+vol_oil=9//in ml//
+den_oil=0.81//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=1.5//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.04//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A); \ No newline at end of file
diff --git a/2966/CH3/EX3.6.30/3_6_30.sce b/2966/CH3/EX3.6.30/3_6_30.sce
new file mode 100644
index 000000000..4e6898cdc
--- /dev/null
+++ b/2966/CH3/EX3.6.30/3_6_30.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.30 example 6//
+clc
+vol_oil=20//in ml//
+den_oil=0.86//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=2.8//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=1/10//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.6.36/3_6_36.sce b/2966/CH3/EX3.6.36/3_6_36.sce
new file mode 100644
index 000000000..36a80b9f2
--- /dev/null
+++ b/2966/CH3/EX3.6.36/3_6_36.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.36 example 6//
+clc
+wt_oil=3//weight f oil saponified(gms)//
+blank=36//volume blank titration reading(ml)//
+back=12//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.5//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.6/3_6.sce b/2966/CH3/EX3.6/3_6.sce
new file mode 100644
index 000000000..4e6898cdc
--- /dev/null
+++ b/2966/CH3/EX3.6/3_6.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.30 example 6//
+clc
+vol_oil=20//in ml//
+den_oil=0.86//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=2.8//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=1/10//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.7.30/3_7_30.sce b/2966/CH3/EX3.7.30/3_7_30.sce
new file mode 100644
index 000000000..3257740af
--- /dev/null
+++ b/2966/CH3/EX3.7.30/3_7_30.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.30 example 7//
+clc
+vol_oil=7//in ml//
+den_oil=0.88//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=3.8//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.2f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.7.37/3_7_37.sce b/2966/CH3/EX3.7.37/3_7_37.sce
new file mode 100644
index 000000000..a5b3126a9
--- /dev/null
+++ b/2966/CH3/EX3.7.37/3_7_37.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.37 example 7//
+clc
+wt_oil=1.55//weight f oil saponified(gms)//
+blank=20//volume blank titration reading(ml)//
+back=15//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=1/2//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.2f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.7/3_7.sce b/2966/CH3/EX3.7/3_7.sce
new file mode 100644
index 000000000..3257740af
--- /dev/null
+++ b/2966/CH3/EX3.7/3_7.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.30 example 7//
+clc
+vol_oil=7//in ml//
+den_oil=0.88//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=3.8//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.2f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.8.31/3_8_31.sce b/2966/CH3/EX3.8.31/3_8_31.sce
new file mode 100644
index 000000000..8c6b4feb8
--- /dev/null
+++ b/2966/CH3/EX3.8.31/3_8_31.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.31 example 8//
+clc
+vol_oil=6//in ml//
+den_oil=0.91//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=2.6//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.8.37/3_8_37.sce b/2966/CH3/EX3.8.37/3_8_37.sce
new file mode 100644
index 000000000..cb2ae9b3e
--- /dev/null
+++ b/2966/CH3/EX3.8.37/3_8_37.sce
@@ -0,0 +1,10 @@
+//lubricants//
+//page 3.37 example 8//
+clc
+wt_oil=1.25//weight f oil saponified(gms)//
+blank=50//volume blank titration reading(ml)//
+back=7.5//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+normality_KOH=0.1//normality of KOH//
+S=volume*normality_KOH*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of oil is %.1f mg/g",S); \ No newline at end of file
diff --git a/2966/CH3/EX3.8/3_8.sce b/2966/CH3/EX3.8/3_8.sce
new file mode 100644
index 000000000..8c6b4feb8
--- /dev/null
+++ b/2966/CH3/EX3.8/3_8.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.31 example 8//
+clc
+vol_oil=6//in ml//
+den_oil=0.91//density of oil in g/ml//
+wt_oil=vol_oil*den_oil//weight f oil saponified(gms)//
+volume=2.6//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.02//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.3f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.9.31/3_9_31.sce b/2966/CH3/EX3.9.31/3_9_31.sce
new file mode 100644
index 000000000..6d461ac8e
--- /dev/null
+++ b/2966/CH3/EX3.9.31/3_9_31.sce
@@ -0,0 +1,11 @@
+//lubricants//
+//page 3.31 example 9//
+clc
+wt_oil=1.3//weight f oil saponified(gms)//
+volume=0.8//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.001//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.5f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file
diff --git a/2966/CH3/EX3.9.38/3_9_38.sce b/2966/CH3/EX3.9.38/3_9_38.sce
new file mode 100644
index 000000000..71f96902d
--- /dev/null
+++ b/2966/CH3/EX3.9.38/3_9_38.sce
@@ -0,0 +1,13 @@
+//lubricants//
+//page 3.38 example 9//
+clc
+S_C=188//Saponification value of castor oil//
+wt_oil=12.3//weight f oil saponified(gms)//
+blank=45//volume blank titration reading(ml)//
+back=30.2//volume back titration reading(ml)//
+volume=blank-back//volume of alcoholic KOH consumed(ml)//
+N=0.5//normality of KOH for equivalence//
+S_blended=volume*N*56/wt_oil//formula for saponification value//
+printf("\nSaponification value of blended oil is %.2f mg/g",S_blended);
+pc_C=(S_blended/S_C)*100
+printf("\npercentage of castor oil in blend is %.2f percent",pc_C); \ No newline at end of file
diff --git a/2966/CH3/EX3.9/3_9.sce b/2966/CH3/EX3.9/3_9.sce
new file mode 100644
index 000000000..6d461ac8e
--- /dev/null
+++ b/2966/CH3/EX3.9/3_9.sce
@@ -0,0 +1,11 @@
+//lubricants//
+//page 3.31 example 9//
+clc
+wt_oil=1.3//weight f oil saponified(gms)//
+volume=0.8//volume of alcoholic KOH consumed to neutralize fatty acids(ml)//
+normality_KOH=0.001//normality of KOH //
+A=volume*normality_KOH*56/wt_oil//formula for acid value//
+printf("\nAcid value of oil is %.5f mg/g",A);
+if A<=0.1 then printf("\nAs the acid value is less than 0.1, oil can be used for lubrication");
+else printf("\nAs the acid value is more than 0.1, oil cannot be used for lubrication");
+ end \ No newline at end of file