//finding mass and energy
//Example 15.5(pg 395)
clc
clear
P=25//Output of diesel engine in kW
s=12500//calorific value of fuel oil in k-cal/kgm
e=0.35//overall efficiency of diesel set
P1=P/e//input energy required in 1 hour in kWh
P2=P1*860//input energy in kcal
m=P2/s//mass of oil needed per hr in kgm
w=1000//weight of 1 ton of oil in kgm
Eg=(P*w)/m//Energy generated by 1ton of oil in kWh
printf('(i)Mass of oil required per hr is %3.3f kgm \n',m)
printf('(ii)Eletrical energy generated per ton of fuel is %4.1f Kwh',Eg)