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+//Chapter 4: Selection of Motor Power Rating
+//Example 4
+clc;
+
+//Variable Initialization
+Cr=60      //Heating time constant in minutes
+Cs=90      //Cooling time constant in minutes
+P=20       //Full load in kW
+
+//Solution
+
+//Part-i
+a=0  
+tr=10    //Time  to deliver in minutes
+x=exp(-tr/Cr)
+K=sqrt(1/(1-x))
+P1=K*P  //Permitted load
+
+//Part-ii
+a=0 
+tr=10   //Intermittent load period allowed in minutes
+ts=10   //Shutdown time period in minutes
+x=exp(-(tr/Cr+ts/Cs))
+y=exp(-tr/Cr)
+K=sqrt((1-x)/(1-y))
+P2=K*P  //Permitted load
+
+
+mprintf("\ni)Required permitted load:%d kW",P1)
+mprintf("\nii)Required permitted load:%.2f kW",P2)