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clc
clear
printf("example 4.23 page number 167\n\n")
//to find the power requirements
P=9807 //in Pa
density=1000 //in kg/m3
Q=250/(60*density)
head=25 //in m
w= head*Q*P; //in kW
power_delivered=w/0.65;
power_taken=power_delivered/0.9;
printf("power_delivered = %f kW",power_delivered/1000)
printf("\n\npower taken by motor = %f kW",power_taken/1000)
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