Hemo-tech, Inc., a biomedical technology and research laboratory, produces a standard blood filtering device on an assembly-line basis. Six basic tasks are performed along the assembly line. The time to perform each task and the tasks that must immediately precede each task are in the table below. Twenty pumps per 450-minute day must be produced by the assembly line.
(a) Draw the network diagram of the precedence relationships.
(b) Identify the absolute minimum and maximum cycle times.
(c) What is the cycle time required to meet demand?
(d) What is the minimum number of workstations required to meet the schedule?
(e) Balance this line using the most following tasks heuristic.
(f) What is the efficiency of the line obtained in part (e)?
(g) Can the efficiency of this solution be improved? Explain.

Question

Hemo-tech, Inc., a biomedical technology and research laboratory, produces a standard blood filtering device on an assembly-line basis. Six basic tasks are performed along the assembly line. The time to perform each task and the tasks that must immediately precede each task are in the table below. Twenty pumps per 450-minute day must be produced by the assembly line.
  (a) Draw the network diagram of the precedence relationships.
(b) Identify the absolute minimum and maximum cycle times.
(c) What is the cycle time required to meet demand?
(d) What is the minimum number of workstations required to meet the schedule?
(e) Balance this line using the most following tasks heuristic.
(f) What is the efficiency of the line obtained in part (e)?
(g) Can the efficiency of this solution be improved? Explain.

Quizplus · Accepted Answer

The Answer of Hemo-tech, Inc., a biomedical technology and research laboratory, produces a standard blood filtering device on an assembly-line basis. Six basic tasks are performed along the assembly line. The time to perform each task and the tasks that must immediately precede each task are in the table below. Twenty pumps per 450-minute day must be produced by the assembly line.
  (a) Draw the network diagram of the precedence relationships.
(b) Identify the absolute minimum and maximum cycle times.
(c) What is the cycle time required to meet demand?
(d) What is the minimum number of workstations required to meet the schedule?
(e) Balance this line using the most following tasks heuristic.
(f) What is the efficiency of the line obtained in part (e)?
(g) Can the efficiency of this solution be improved? Explain.

Hemo-Tech, Inc