Using the inforrmation contained in the table shown, do each of the following: 1. Draw a precedence diagram. 2. Given: Cycle time: 10 seconds 3. Determine the minimum number of workstations required

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section: Chapter Questions
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Problem 1:
Using the information contained in the table shown, do each of the following:
1. Draw a precedence diagram.
2. Given: Cycle time: 10 seconds
3. Determine the minimum number of workstations required
4. Assign tasks to workstations using this rule: Assign tasks according to longest processing
time first.
Task
Task time (seconds)
Immediate
Predecessor
7
a,b
f.
c.d.e
5. Compute the efficiency of the line and idle. (use 4 decimal places)
152 0
Transcribed Image Text:Problem 1: Using the information contained in the table shown, do each of the following: 1. Draw a precedence diagram. 2. Given: Cycle time: 10 seconds 3. Determine the minimum number of workstations required 4. Assign tasks to workstations using this rule: Assign tasks according to longest processing time first. Task Task time (seconds) Immediate Predecessor 7 a,b f. c.d.e 5. Compute the efficiency of the line and idle. (use 4 decimal places) 152 0
a
d.
a.b
f
c.d.e
5. Compute the efficiency of the line and idle. (use 4 decimal places)
Problem 2:
1. Suppose that for the same data from example 1 a production rate of 2250 units in 7.5 hours
Is required.
2. Determine the minimum number of workstations required
3. Assign tasks to workstations using this rule: Assign tasks according to longest processing
time first.
4. Compute the efficiency of the line and idle. (use 4 decimal places)
Problem 3:
Using the information contained in the table shown, do each of the following:
1.
S272 8
Transcribed Image Text:a d. a.b f c.d.e 5. Compute the efficiency of the line and idle. (use 4 decimal places) Problem 2: 1. Suppose that for the same data from example 1 a production rate of 2250 units in 7.5 hours Is required. 2. Determine the minimum number of workstations required 3. Assign tasks to workstations using this rule: Assign tasks according to longest processing time first. 4. Compute the efficiency of the line and idle. (use 4 decimal places) Problem 3: Using the information contained in the table shown, do each of the following: 1. S272 8
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