1.The following task must be performed on an assembly in the sequence and times specified;

Task

Task time (in second)

Task that precedes

A

50

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B

40

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C

20

A

D

45

C

E

20

C

F

25

D

G

10

E

H

35

B, F, G

Required;

a.Draw the schematic diagram

b.What is the theoretical minimum number of stations required to meet a forecast demand of 400 units per eight hour day?

c.Use the longest task time and balance the line in the minimum number of stations to produce 400 units per day.

d.Calculate efficiency of the line.