A production schedule requires six work stations. However, there are nine work tasks to be performed to produce a unit of output. The warchouse is operated for seven days a week and three 8-hour shifts per day. The desired output per week is 1,728 units. The tasks, precedence relationships and the approximate amount of time required to carry out each task is presented below. Use this information to answer questions 62-69 Duration (min) 5.0 Task Immediate Preceding Task 1 2 3 4 4.5 1 2.0 3.0 2,3

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter4: Linear Programming Models
Section: Chapter Questions
Problem 111P
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A production schedule requires six work stations. However, there are nine work tasks to be
performed to produce a unit of output. The warchouse is operated for seven days a week and three
8-hour shifts per day. The desired output per week is 1.728 units. The tasks, precedence
relationships and the approximate amount of time required to carry out cach task is presented
below. Use this information to answer questions 62 - 69
Task
1.
Duration (min)
5.0
Immediate Preceding Task
3
4
4.5
2.0
3.0
3.5
2,3
4,5
1.5
2.5
7.
4.8
2.5
62. What is the available time for production in minutes?
(a) 1260
(b) 1440
(c) 3,360
(d) 10080
63. The required cycle time for this operation is:
(а) 2.58
(b) 5.83
(c) 7.25
(d) 9.42
64. Which activity or set of activities should be assigned to station 2?
(a) 2 only
(b) I and 2
(c) 3 only
(d) 3 and 4
65. Which activity or set of activities should be assigned to station 4?
(a) 3 only
(b) 3 and 4
(c) 5 and 6
(d) 7 only
66. Which activity or set of activities should be assigned to station 6?
(a) 4 only
(b) 3 and 4
(c) 5 and 6
(d) 7 and 9
Transcribed Image Text:A production schedule requires six work stations. However, there are nine work tasks to be performed to produce a unit of output. The warchouse is operated for seven days a week and three 8-hour shifts per day. The desired output per week is 1.728 units. The tasks, precedence relationships and the approximate amount of time required to carry out cach task is presented below. Use this information to answer questions 62 - 69 Task 1. Duration (min) 5.0 Immediate Preceding Task 3 4 4.5 2.0 3.0 3.5 2,3 4,5 1.5 2.5 7. 4.8 2.5 62. What is the available time for production in minutes? (a) 1260 (b) 1440 (c) 3,360 (d) 10080 63. The required cycle time for this operation is: (а) 2.58 (b) 5.83 (c) 7.25 (d) 9.42 64. Which activity or set of activities should be assigned to station 2? (a) 2 only (b) I and 2 (c) 3 only (d) 3 and 4 65. Which activity or set of activities should be assigned to station 4? (a) 3 only (b) 3 and 4 (c) 5 and 6 (d) 7 only 66. Which activity or set of activities should be assigned to station 6? (a) 4 only (b) 3 and 4 (c) 5 and 6 (d) 7 and 9
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ISBN:
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Cengage,