Teaching Notes



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Solutions (continued)





b. 1.

Total time = 4.6 min., CT =

Total time

=

4.6

= 2.3 minutes.







N

2










Assign a, b, c, d, and e to station 1: 2.3 minutes










Assign f, g, and h to station 2: 2.3 minutes







2.

No idle time.







3.

Output =

OT

=

420

= 182.6 units per day.







CT

2.3




5.

a.








[4]

[3]

[2]

[1]

[0]

[1]

[2]









b. CT =

OT

=

480 min/day

= 2 minutes




output

240 units/day







c. N =

t

=

4.6

= 2.3 (round to 3) stations




CT

2.0










d.

Station

Time Left

Eligible

Will Fit

Assign (time)

Idle time







1

2

A, d

A, d

A (.2)













1.8

D, b

D, b

B (.4)













1.4

D, c

D, c

D (.4)













1.0

C, e

C

C (.2)













.8

E, f

--




.8







2

2

E, f

E, f

E (1.2)













.8

F







.8







3

2

F

F

F (1.2)













.8

G







.8







4

2

g

g

G (1)













1










1.0






















3.4










e.
























6.

a.









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