What Is the Optimum Job Sequence for the Jobs Listed

question 96

Multiple Choice

What is the optimum job sequence for the jobs listed below using Johnson's rule? $$\begin{array} { c c c } \text { Job } & \begin{array} { c } \text { Processing time (hrs) } \\\text { Center 1 }\end{array} & \text { Center } 2 \\\text { d } & 13 & 23 \\\text { e } & 23 & 13 \\\text { f } & 16 & 18 \\\text { g } & 20 & 17\end{array}$$

• A) e-g-f-d
• B) d-g-f-e
• C) d-f-g-e
• D) e-d-f-g
• E) f-e-d-g

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Definitions:

Alternating Copolymer

A copolymer where two different monomers are linked in an alternating sequence, offering unique properties compared to random or block copolymers.

Addition Polymer

This type of polymer is formed by the addition reaction between monomers with double or triple bonds, leading to a long chain molecule without the elimination of small molecules such as water.

Condensation Polymer

A type of polymer formed by the reaction of monomer units with the loss of a small molecule, such as water, leading to the formation of a longer chain.

Polymer Backbone

The Polymer Backbone is the longest series of connected atoms that constitute the main structure of a polymer chain.