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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#                         Chapter 3 :  Work and Heat"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Example 3.1,Page No. 36"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Work done is 274.200000 kJ\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Given values\n",
+    "m=1; # mass of steam in kg\n",
+    "P=200; # Pressure at which process takes place in kPa\n",
+    "Tf=400; #Temperature of final state in C (Celcius)\n",
+    "x=0.2; #Quality factor \n",
+    "\n",
+    "#State 1\n",
+    "#Values from Table C-2\n",
+    "vf=0.001061; #specific volume of saturated liquid in m^3/kg\n",
+    "vg=0.8857;   #specific volume of saturated vapor in m^3/kg\n",
+    "\n",
+    "#State 2\n",
+    "#Values from superheat Table at 400C and 0.2 MPa\n",
+    "v2=1.549; #specific volume of steam in m^3/kg\n",
+    "\n",
+    "#Calculation\n",
+    "v1=vf+x*(vg-vf); # specific volume of state 1 in m^3/kg\n",
+    "W=m*P*(v2-v1) #Work done by steam at constant pressure(kPa) in kJ\n",
+    "print'Work done is %f kJ'%round(W,1)\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.10"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}