Question: b) The data for Milling Machine Refurbishment Project is shown in the table below. The Activities are not arranged in sequences Activity Required Predecessor Expected

b) The data for Milling Machine Refurbishment

b) The data for Milling Machine Refurbishment Project is shown in the table below. The Activities are not arranged in sequences Activity Required Predecessor Expected Time (days) Trouble Shoot & Diagnose the Machine 2 Dismantle Spindle Trouble Shoot & Diagnose the Machine 8 Disengaged Digital Readout Trouble Shoot & Diagnose the Machine 7 (DRO) Dismantle Motor and Gear Trouble Shoot & Diagnose the Machine System Disengaged Digital Readout (DRO) 9 Repair and Install Spindle Dismantle Spindle 2 Engaged Digital Readout Engaged Digital Readout > Repair and Install Motor and Gear System 4 (DRO) Repair and Install Motor and Dismantle Motor and Gear System Gear System 7/21 Assemble Spindle, Motor & Repair and Install Spindle Gear System Engaged Digital Readout (DRO) Repair and Install Motor and Gear System Trial Run Assemble Spindle, Motor & Gear System 1 i. Construct a PERT Arrow On Node network and find the slack time for all the path ii. Determine the Critical Path iii. Your goal is to lower project completion time. If you can spend RM500 and reduce activity of Engaged Digital Readout (DRO) to Assemble Spindle, Motor & Gear System one day or RM600 and reduced activity Assemble Spindle, Motor & Gear System to two days, which is either should you do? iv. If the project required more than 40 days, a penalty of RM300 per day is assessed on the supplier. If the project finishes less than 40 days a bonus of RM300 per day is given to the supplier. What is the expected payoff to the supplier? CLO3:PLO11:04 15 MARKS b) The data for Milling Machine Refurbishment Project is shown in the table below. The Activities are not arranged in sequences Activity Required Predecessor Expected Time (days) Trouble Shoot & Diagnose the Machine 2 Dismantle Spindle Trouble Shoot & Diagnose the Machine 8 Disengaged Digital Readout Trouble Shoot & Diagnose the Machine 7 (DRO) Dismantle Motor and Gear Trouble Shoot & Diagnose the Machine System Disengaged Digital Readout (DRO) 9 Repair and Install Spindle Dismantle Spindle 2 Engaged Digital Readout Engaged Digital Readout > Repair and Install Motor and Gear System 4 (DRO) Repair and Install Motor and Dismantle Motor and Gear System Gear System 7/21 Assemble Spindle, Motor & Repair and Install Spindle Gear System Engaged Digital Readout (DRO) Repair and Install Motor and Gear System Trial Run Assemble Spindle, Motor & Gear System 1 i. Construct a PERT Arrow On Node network and find the slack time for all the path ii. Determine the Critical Path iii. Your goal is to lower project completion time. If you can spend RM500 and reduce activity of Engaged Digital Readout (DRO) to Assemble Spindle, Motor & Gear System one day or RM600 and reduced activity Assemble Spindle, Motor & Gear System to two days, which is either should you do? iv. If the project required more than 40 days, a penalty of RM300 per day is assessed on the supplier. If the project finishes less than 40 days a bonus of RM300 per day is given to the supplier. What is the expected payoff to the supplier? CLO3:PLO11:04 15 MARKS

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