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A private car maintenance centre operates a two-step process for car maintenance. Tomorrow's work will consist of inspecting seven cars as shown below. Time (hours) Order Step 1 Step 2 А 1.20 1.40 B 0.90 1.30 2.00 0.80 D 1.70 1.50 E 1.60 1.80 F 2.20 1.75 G 1.30 1.40 a. Determine a job sequence that will minimize the time required to completion. b. Describe the advantage of forward and backward scheduling, and its impact to productivity.

A private car maintenance centre operates a two-step process for car maintenance. Tomorrow's work will consist of inspecting seven cars as shown below. Time (hours) Order Step 1 Step 2 А 1.20 1.40 B 0.90 1.30 2.00 0.80 D 1.70 1.50 E 1.60 1.80 F 2.20 1.75 G 1.30 1.40 a. Determine a job sequence that will minimize the time required to completion. b. Describe the advantage of forward and backward scheduling, and its impact to productivity.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section: Chapter Questions
Problem 59P
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A private car maintenance centre operates a two-step process for car maintenance. Tomorrow's work will consist of inspecting seven cars as shown below. Time (hours) Order Step 1 Step 2 A 1.20 1.40 В 0.90 1.30 C 2.00 0.80 D 1.70 1.50 E 1.60 1.80 F 2.20 1.75 1.30 1.40 a. Determine a job sequence that will minimize the time required to completion. b. Describe the advantage of forward and backward scheduling, and its impact to productivity.
Transcribed Image Text:A private car maintenance centre operates a two-step process for car maintenance. Tomorrow's work will consist of inspecting seven cars as shown below. Time (hours) Order Step 1 Step 2 A 1.20 1.40 В 0.90 1.30 C 2.00 0.80 D 1.70 1.50 E 1.60 1.80 F 2.20 1.75 1.30 1.40 a. Determine a job sequence that will minimize the time required to completion. b. Describe the advantage of forward and backward scheduling, and its impact to productivity.
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