Use Johnson's Rule to Determine the Optimal Sequencing for the Five

question 82

Essay

Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2). The processing times in hours are given in the table below.
a. What is the optimal sequence?
b. What is the total flow time for this sequence?
c. Which job is the first to be scheduled? Is it scheduled to be the first job or the last? Explain.

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Definitions:

Nitrogen Fixation

The chemical process by which atmospheric nitrogen is assimilated into organic compounds, especially by certain microorganisms as part of the nitrogen cycle.

Self-Designation

The process by which individuals label or identify themselves with specific traits, roles, or identities.

Self-Concepts

Refers to an individual's perception and evaluation of themselves, encompassing beliefs, feelings, and attitudes about one's own identity.

Operationalizing

Operationalizing is the process of defining variables in practical terms, making theoretical concepts measurable and testable in research.