Question

PS.74 Bell computer is planning to launch a new high-end server. Nine steps or tasks are required to assemble this computer. Daily demand is expected to be 90 units and there are three 8-hour shifts available each day to meet this production quota.
Task

Req'd Time (in minutes)

Predecessor

A

12

None

B

13

A

C

5

B

D

4

B

E

13

A

F

6

C,D

G

7

F

H

11

E

I

6

G,H

What is the total time, in minutes, to produce one server?

What is the takt time (in minutes) for this production line? (Your answer should be a whole number.)

What is the theoretical minimum number of workstations required for this production line? (Round up your answer to the nearest whole number.)

After assigning task A to workstation 1, which task (or tasks) should you assign to workstation 2? (In the field below, write the number that corresponds to your answer. Do not put a period after the number.)

B

C

D

E

B or E

C and D

Suppose you assign task B to workstation 2, which task (or tasks) should you then attach to workstation 3? (In the field below, write the number that corresponds to your answer. Do not put a period after the number.)

E and H

E

E or C, D, and F

C and D

Assume you assign tasks C, D and F to workstation 3, task E to workstation 4, which task (or tasks) should you assign to workstation 5?

G and H

G and I

H and I

H

What is the cycle time (in minutes) for this production line?

What is the overall efficiency for this production line? (percentage)

Answer 1

So if you do this correctly you will get b