What is the assembly-line efficiency? Round your answer to one decimal place. %
What is the assembly-line efficiency? Round your answer to one decimal place. %
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question
A small assembly line for the assembly of power steering pumps needs to be balanced. Precedence diagram is shown below.
The cycle time is determined to be 1.7 minutes. How would the line be balanced by choosing the assignable task having the longest task time first? Fill in the table below. If your answer is zero, enter "0". Round your answers to one decimal place.
| Station | Tasks | Total Time | Idle Time |
| 1 | B,A,C,D | ||
| 2 | E,F | ||
| 3 | G,H,I | ||
| Total |
What is the assembly-line efficiency? Round your answer to one decimal place.
%
Transcribed Image Text:### Assembly Line Balancing for Power Steering Pumps
#### Task Precedence Diagram:
The diagram consists of nodes and directed arrows indicating task order and dependencies.
- **Nodes**: Each node represents a task with a designated letter and time in minutes.
- A (0.4)
- B (0.7)
- C (0.4)
- D (0.1)
- E (0.8)
- F (0.7)
- G (0.6)
- H (0.1)
- I (0.5)
- **Arrows**: These indicate the sequence in which tasks should be performed:
- A and B lead to C.
- C leads to D and E.
- D leads to F.
- E leads to G and H.
- F and G lead to I.
- H leads to I.
#### Line Balancing Instructions:
The cycle time is set to 1.7 minutes. Your task is to balance the line by arranging tasks from longest to shortest time per station. Record your findings in the table below. Round your answers to one decimal place and use "0" if there's no idle time.
| Station | Tasks | Total Time | Idle Time |
|---------|----------|------------|-----------|
| 1 | B, A, C, D | | |
| 2 | E, F | | |
| 3 | G, H, I | | |
| Total | | | |
#### Assembly-Line Efficiency:
Calculate the efficiency of the assembly line and round your answer to one decimal place.
| | Efficiency (%) |
|-|----------------|
| | |
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