Exam 8: Supplement: Job Scheduling and Vehicle Routing

Two jobs (J1 and J2) are to be scheduled on a single workcenter. J1 has a process time of 5 and J2 has a process time of 3. J1 has a due date of time 6 and J2 has a due date of time 7. If the jobs are scheduled by the SPT rule, in what order will they be processed?

(Multiple Choice)

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Question 21

Vehicle routing problems typically involve only a single objective.

(True/False)

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Question 22

Briefly describe the relative advantages and disadvantages of the various dispatching rules listed in the textbook. Why might a firm wish to choose one rule over another?

(Essay)

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Question 23

Planning production that takes into account the demand for several product models is referred to as?

(Multiple Choice)

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Question 24

If I is the input rate and O is the output rate, what happens when I > O?

(Multiple Choice)

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Question 25

If I is the input rate and O is the output rate, what happens when I = O?

(Multiple Choice)

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Question 26

All of the following may lead to delays except?

(Multiple Choice)

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Question 27

Short production runs have what effect on the number of machine setups?

(Multiple Choice)

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Question 28

Heuristic approaches to vehicle routing problems are guaranteed to find the best (optimal) routes.

(True/False)

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Question 29

Which job shop dispatch rule schedules the job with the earliest due date first?

(Multiple Choice)

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Question 30

In a flow management context, customer orders are referred to as?

(Multiple Choice)

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Question 31

In a job shop, ________ are used to identify incoming materials and purchases that may be behind schedule.

(Short Answer)

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Question 32

In a vehicle routing problem _________ represent origin/destination points and pickup and/or delivery points.

(Short Answer)

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Question 33

It is often advantageous for a firm to be able to build multiple models on the same assembly line.

(True/False)

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Question 34

The average amount of time a job finishes past the due date is?

(Multiple Choice)

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Question 35

Two jobs (J1 and J2) are scheduled on two workcenters (WCA and WCB). J1 starts at time 0 on WCA and finishes on that workcenter at time 5. J2 starts at time 0 on WCB and finishes at time 3. J2 then starts on WCA at time 5 and finishes at time 9. J1 has a due date of time 6 and J2 has a due date of time 7. What is the tardiness of J1?

(Multiple Choice)

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Question 36

There are rarely scheduling issues in an assembly line.

(True/False)

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Question 37

Two jobs (J1 and J2) are scheduled on two workcenters (WCA and WCB). J1 starts at time 0 on WCA and finishes on that workcenter at time 5. J2 starts at time 0 on WCB and finishes at time 3. J2 then starts on WCA at time 5 and finishes at time 9. J1 has a due date of time 6 and J2 has a due date of time 7. What is the tardiness of J2?

(Multiple Choice)

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Question 38

Completing more jobs per period can be achieved by?

(Multiple Choice)

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Question 39

If WIP levels are reasonable and product flow is steady, then the input rate for a job shop should be?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 55

Two jobs (J1 and J2) are to be scheduled on a single workcenter. J1 has a process time of 5 and J2 has a process time of 3. J1 has a due date of time 6 and J2 has a due date of time 7. If the jobs are scheduled by the SPT rule, in what order will they be processed?

Vehicle routing problems typically involve only a single objective.

Briefly describe the relative advantages and disadvantages of the various dispatching rules listed in the textbook. Why might a firm wish to choose one rule over another?

Planning production that takes into account the demand for several product models is referred to as?

If I is the input rate and O is the output rate, what happens when I > O?

If I is the input rate and O is the output rate, what happens when I = O?

All of the following may lead to delays except?

Short production runs have what effect on the number of machine setups?

Heuristic approaches to vehicle routing problems are guaranteed to find the best (optimal) routes.

Which job shop dispatch rule schedules the job with the earliest due date first?

In a flow management context, customer orders are referred to as?

In a job shop, ________ are used to identify incoming materials and purchases that may be behind schedule.

In a vehicle routing problem _________ represent origin/destination points and pickup and/or delivery points.

It is often advantageous for a firm to be able to build multiple models on the same assembly line.

The average amount of time a job finishes past the due date is?

There are rarely scheduling issues in an assembly line.

Completing more jobs per period can be achieved by?

If WIP levels are reasonable and product flow is steady, then the input rate for a job shop should be?

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