# OldTest1_answers-Fall08 - Answers to Old Tests for Part I...

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1 Answers to Old Tests for Part I Spring 2008 Question 2 Part (A): i. Capacity of the Stage 1 = 25 units / hr ii. Process productivity = 5 units per worker per hour. iii. Add M5 at stage 2 with CT = 60/5 = 12 min / unit. Part (B): i. Each job stays in the system for 18 minutes. So, average TPT is 18 minutes. ii. WIP contributions see table iii. Actual cycle time= 18 / 2.25 = 8 min / unit Question 3 Part (A): . Task 1 2 3 4 5 6 7 8 9 10 Weight 64 107 47 64 33 57 18 29 6 14 Part (B): Do line balancing in the table below. Use the priority order given below Part (C): Another layout for the above problem is shown here. Calculate effective cycle time and the line efficiency. Effective CT = 32 sec/unit Line efficiency = 96.9% Question 4 Part (A): 1. Obtain a production plan with “Chase Strategy”. . 2. Explain adjustments here . Adj. 1: Capacity exceeded in Q3, Q4. Move 400 units from Q3 to Q2. Adj. 2: Capacity exceeded in Q4. Move 400 units from Q4 to Q2 and 100 units from Q4 to Q1. WIP M1 0.75 M2 0.75 R1 0.75 Total 2.25 units RPW order 241635871 09 Priority order 9467231 0581 Station Selected Cum. Time Eligible I 2, 4, 6 14, 21, 31 2,1 Æ 4,1 Æ 6,1 Æ 8,1 II 8, 10 15, 29 8,1 Æ 10,1 Æ 1 III 1, 3 17, 31 1 Æ 3 Æ

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## This note was uploaded on 01/21/2011 for the course MGMT 460 taught by Professor Staff during the Fall '08 term at Purdue University-West Lafayette.

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OldTest1_answers-Fall08 - Answers to Old Tests for Part I...

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