"The following tasks are to be performed on an assembly line:
TASK/SECONDS/TASKS THAT MUST PRECEDE
A/20/-
B/7/A
C/20/B
D/22/B
E/15/C
F/10/D
G/16/E,F
H/8/G
The workday is seven hours long. Demand for completed product is 750 per day.
a. Find the cycle time.
b. What is the theoretical number of workstations?
c. Draw the precedence diagram.
d. Balance the line using the longest-operating-time rule.
e. What is the ef?ciency of the line balanced as in d ?
f. Suppose that demand rose from 750 to 800 units per day. What would you do? Show any amounts or calculations.
g. Suppose that demand rose from 750 to 1,000 units per day. What would you do? Show any amounts or calculations