The Operations Manager of a Body and Paint Shop Has

question 4

Multiple Choice

The operations manager of a body and paint shop has five cars to schedule for repair.He would like to minimize the make-span to complete all work on these cars.Each car requires body work prior to painting.The estimates of the times required to do the work at each of the two stations are as follows: Using Johnson's rule what is the optimum sequence (first car to last) ?

• A)A; B; C; D; E
• B)E; D; C; B; A
• C)E; B; D; C; A
• D)E; D; B; C; A
• E)E; B; D; A; C

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Definitions:

Karst Topography

A landscape formed from the dissolution of soluble rocks such as limestone, characterized by sinkholes, caves, and underground streams.

Limestone Pillars

Natural columns made of limestone, often formed in karst landscapes through the process of dissolution.

Sinkholes

Depressions or holes in the ground caused by the collapse of a surface layer, often resulting from the dissolution of limestone beneath.

Saltwater Intrusion

The movement of saline water into freshwater aquifers, which can occur due to groundwater extraction or changes in sea level, often leading to the contamination of drinking water sources.