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Exam 16: Scheduling

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Question 21

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Job X, which has a duration of four days, is due by the close of business on Friday, December 23.Without looking at the work already scheduled on X's required resource, the scheduler schedules X to be begun on the morning of Tuesday, December 20.This is an example of __________.

A) infinite scheduling
B) finite scheduling
C) forward scheduling
D) backward scheduling
E) prioritization

F) None of the above
G) C) and D)

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Question 22

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Splitting a large lot after one operation beyond a bottleneck operation would reduce the overall waiting time of the bottleneck operation.

A) True
B) False

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Question 23

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A Gantt chart is a basic scheduling tool that is most useful in low-volume systems.

If optimal sequencing through three work centers is desired, Johnson's Rule II is used rather than Johnson's Rule.

Given the following information concerning jobs awaiting processing at a single work center, what processing sequence will result if the critical ratio (C/R) rule is used?

In developing the sequence that will minimize throughput time, where in the schedule sequence should job W be placed?

When orders exceed our capacity, priority rules are used to select which orders will be accepted.

If these jobs were scheduled in the sequence shown, what would be the throughput time?

After the row and column reductions, what is the reduced time for assigning Rick to project D?

If jobs A, B, and C require two operations each, while jobs D and E require one operation each, what is the schedule sequence using the slack per operation (S/O) priority rule?

What is the optimal assignment of resources to jobs?

In developing the sequence which will minimize throughput time, what is the initial job to be placed in the schedule sequence?

The priority rule where jobs are processed according to the smallest ratio of due date to processing time is:

The quantity sent to a bottleneck operation could be split into two or more process batches to better utilize a bottleneck resource rather than process the entire batch.

Average completion (flow) time for a schedule sequence at a work center is:

Which of the following is not an example of a high-volume system?

Which of the following is not a measure for judging the effectiveness of a schedule sequence?

If he uses the earliest due date first (EDD) priority rule to schedule these jobs, what will be the average job tardiness?

In how many different ways can she assign these consultants to these projects?

A basic difference between scheduling in service systems and scheduling in manufacturing systems is the random nature of requests in manufacturing systems as opposed to more uniform requests in service systems.