Use Johnson's rule to determine the optimal sequencing for the seven 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?
Definitions:
Demercuration
A chemical process that involves the removal of mercury from an organic compound.
Alkene
Hydrocarbons with at least a single carbon-carbon double bond, unsaturated in nature, adhering to the formula CnH2n.
(R)-2-Ethoxybutane
A specific enantiomer of 2-ethoxybutane, which is an organic compound used in some chemical syntheses, defined by its specific three-dimensional arrangement.
Sodium Butoxide
An organic compound used as a strong base in various chemical syntheses, derived from butanol.
Q10: Plans for new product development generally fall
Q11: For the disaster risk decision tree model,
Q29: A firm uses graphical techniques in its
Q33: The items listed below are stored in
Q34: Describe how to incorporate fixed costs into
Q43: The Queen City Nursery manufactures bags of
Q72: What are decision tables?
Q85: Which one of the following statements is
Q101: Complete the table; find average lateness, average
Q189: Service level is the complement of the