Five Jobs Are Waiting for Processing Through Two Work Centers

question 19

Multiple Choice

Five jobs are waiting for processing through two work centers.Their processing time (in minutes) at each work center is contained in the table below.Each job requires work center Alpha before work center Beta.According to Johnson's rule,what is the optimum sequence of jobs and the minimum time for completion of all jobs?

• A)V-T-S-U-R;225
• B)U-R-T-S-V;175
• C)R-S-T-U-V;240
• D)U-S-V-T-R;200
• E)R-U-T-S-V;175

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Definitions:

Angiotensinogen

A glycoprotein produced by the liver that is the precursor to angiotensin, playing a key role in blood pressure regulation.

Angiotensin I

Peptide derived when renin acts on angiotensinogen.

Renin

An enzyme secreted by the kidneys that plays a crucial role in the body's regulation of blood pressure.

Angiotensin II

A peptide hormone that causes blood vessels to constrict and blood pressure to increase, part of a vital mechanism regulating blood pressure.