Problem 6-7 For the set of tasks given below, do the following: Task Task Time(s

Question

Problem 6-7
For the set of tasks given below, do the following:

Task Task Time(seconds) Immediate
Predecessor
A 45 -
B 11 A
C 9 B
D 50 -
E 26 D
F 11 E
G 12 C
H 10 C
I 9 F, G, H
J 10 I


193



b.
Determine the minimum and maximum cycle times in seconds for a desired output of 499 units in a seven-hour day. (Round your answers to 1 decimal place.)


The minimum cycle time seconds
The maximum cycle time seconds

c.
Determine the minimum number of workstations for output of 499 units per day. (Round your answer to the next whole number.)

Minimum number of workstations

d.
Balance the line using the largest positional weight heuristic. Break ties with the most following tasks heuristic. Use a cycle time of 50 seconds.

Work stations Following Tasks
I
II
III
IV
V

e.
Calculate the percentage idle time for the line. (Round your answer to 1 decimal place. Omit the "%" sign in your response.)

Percentage of idle time %

Explanation / Answer

b. min= 50 max = 50.4

c. 4

d.

e. 22.8%

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