There are 22 machines and R repairmen in a workshop. The frequency of deterioration is determined by A and the frequency of repair by µ. The disturbances and services are Poisson distribution. Suppose n machines are out of order at a time. Every two hours the machine breaks down and repairs take 12 minutes. How many mechanics (R) should be employed and what is the machine efficiency?
There are 22 machines and R repairmen in a workshop. The frequency of deterioration is determined by A and the frequency of repair by µ. The disturbances and services are Poisson distribution. Suppose n machines are out of order at a time. Every two hours the machine breaks down and repairs take 12 minutes. How many mechanics (R) should be employed and what is the machine efficiency?
Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter2: Measurement, Materials, And Safety
Section2.5: Quality Assurance, Process Planning, And Quality Control
Problem 2RQ: Briefly define quality control and explain its purpose.
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