1. Briefly explain Job shop process and Process layout with examples. (6 marks) 2. What short and long-range forecasts are? Briefly explain how short and long-range forecasts can help to manage the operations of an organization. (2.5 + 4 marks) 3. Preceding activity Activity A Duration (Weeks) 6 B A, C 3 A 5 D 8 E B, D 7 a. Draw an AON diagram based on the activities and their relationships given in the table. (1 Mark) b. Find the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and slack time for each activity of the project. (1 Mark) c. Find out the lengths of critical and other ordinary paths? (1 Mark) d. Which activities are the critical activities and why? (1 Mark) e. What is the length of the project? And how do you determine it? (1 Mark) 4. Period Actual Demand 3period Moving Average (Demand forecast) 70 74 80 Exponential Smoothing technique (Demand forecast) 71 January February March April May 74 79 83 80 85 *** ** *** %% Based on the information given in the above table find out the better forecasting technique between 3 periods Moving Average and Exponential Smoothing (use any value of 0.2 as the value of alpha, smoothing constant) by doing the error calculation with the help of MAD, MSE, MAPE. (2.5 + 5 marks)