The owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received: \[\begin{array} { l c c } \text { Job } & \text { Processing } & \text { Due } \\ \text { Time (hrs) } & \text { (hrs from now) } \\ \hline \mathrm { W } & 4 & 4 \\ \mathrm { X } & 3 & 5 \\ \mathrm { Y } & 2 & 2 \\ \mathrm { Z } & 1 & 1 \end{array}\] If he uses the earliest due date first priority rule to schedule these jobs, what will be the average job tardiness?

A) 0 hours B) 1.5 hours C) 1.75 hours D) 2 hours E) 2.25 hours A) 0 hours B) 1.5 hours C) 1.75 hours D) 2 hours E) 2.25 hours

The president of a consulting firm wants to minimize the total number of hours it will take to complete four projects for a new client. Accordingly, she has estimated the time it should take for each of her top consultants-Charlie, Betty, Johnny, and Rick-to complete any of the four projects, as follows: \[\begin{array} { c } \quad \quad \quad \quad \quad { \text { Project (Hours) } } \\ \begin{array} { l c c c c } \text { Consultant } & \text { A } & \text { B } & \text { C } & \text { D } \\ \hline \text { Charlie } & 13 & 16 & 11 & 13 \\ \text { Betty } & 11 & 15 & 14 & 18 \\ \text { Johnny } & 15 & 22 & 12 & 15 \\ \text { Rick } & 17 & 17 & 12 & 22 \end{array}\end{array}\] After the row and column reductions, what is the reduced time for assigning Rick to project D?

A) 0 hours B) 8 hours C) 10 hours D) 9 hours E) 22 hours A) 0 hours B) 8 hours C) 10 hours D) 9 hours E) 22 hours

Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived: \[\begin{array} { l c c } \text { Job } & \begin{array} { c } \text { Processing } \\ \text { Time (hrs) } \end{array} & \begin{array} { c } \text { Due } \\ \text { (hrs from now) } \end{array} \\ \hline \mathrm { V } & 3 & 5 \\ \mathrm {~W} & 1 & 1 \\ \mathrm { X } & 4 & 9 \\ \mathrm { Y } & 2 & 3 \\ \mathrm { Z } & 5 & 7 \end{array}\] If Eva uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average completion time?

A) 3 hours B) 5 hours C) 7 hours D) 7.2 hours E) 8 hours A) 3 hours B) 5 hours C) 7 hours D) 7.2 hours E) 8 hours

Given the following data for jobs awaiting processing at a manufacturing cell in which jobs are first processed by machine A, then by machine B: \[\begin{array} { c } \quad\quad\quad{ \text { Process Time (Hours) } } \\ \begin{array} { l c c } \text { Job } & \text { Center A } & \text { Center B } \\ \hline \mathrm { W } & 4 & 5 \\ \mathrm { X } & 6 & 6 \\ \mathrm { Y } & 1 & 2 \\ \mathrm { Z } & 5 & 2 \end{array}\end{array}\] In developing the sequence which will minimize throughput time, where should job X be placed?

The answer of Given the following data for jobs awaiting...

Refer to the following data for jobs waiting to be processed at a single work center (jobs are shown in order of arrival): \[\begin{array} { l c c } \text { Job } & \begin{array} { c } \text { Processing Time } \\ ( \text { days } ) \end{array} & \begin{array} { c } \text { Due Date } \\ \text { (days from now) } \end{array} \\ \hline \mathrm { A } & 2 & 2 \\ \mathrm {~B} & 5 & 6 \\ \mathrm { C } & 6 & 10 \\ \mathrm { D } & 3 & 4 \\ \mathrm { E } & 4 & 8 \end{array}\] What is the schedule sequence using the shortest processing time priority rule?

The answer of Refer to the following data for jobs...

There are four resources and four jobs to be done. The time required for each resource to do each job is as follows: \[\begin{array} { c } \quad \quad \quad \quad { \text { Job (Hours) } } \\ \begin{array} { l c c c c } \text { Resource } & \mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } \\ \hline 1 & 5 & 8 & 7 & 7 \\ 2 & 4 & 9 & 5 & 9 \\ 3 & 6 & 9 & 8 & 7 \\ 4 & 7 & 6 & 6 & 9 \end{array}\end{array}\] After the row and column reductions, what is the minimum number of lines needed to cover all of the zeroes?

A) 0 lines B) 1 line C) 2 lines D) 3 lines E) 4 lines A) 0 lines B) 1 line C) 2 lines D) 3 lines E) 4 lines

Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived: \[\begin{array} { l c c } \text { Job } & \begin{array} { c } \text { Processing } \\ \text { Time } ( \text { hrs } ) \end{array} & \begin{array} { c } \text { Due } \\ \text { (hrs from now) } \end{array} \\ \hline \text { V } & 3 & 5 \\ \text { W } & 1 & 1 \\ \mathrm { X } & 4 & 9 \\ \mathrm { Y } & 2 & 3 \\ \mathrm { Z } & 5 & 7 \end{array}\] If Eva uses the first come, first served priority rule to schedule these jobs, what will be the average completion time?

A) 3 hours B) 5 hours C) 7 hours D) 7.2 hours E) 8 hours A) 3 hours B) 5 hours C) 7 hours D) 7.2 hours E) 8 hours

Given the information in the table, determine the following: (A) Processing sequence using (1) SPT and (2) EDD (B) Average completion time and average job tardiness using (1) SPT and (2) EDD \[\begin{array} { ccc } \text { Job } & \begin{array} { c } \text { Processing } \\ \text { Time (hrs) } \end{array} & \begin{array} { c } \text { Hour } \\ \text { Due } \end{array} \\ \hline \text { A } & 17 & 15 \\ \text { B } & 10 & 25 \\ \text { C } & 5 & 20 \\ \text { D } & 7 & 32 \\ \text { E } & 11 & 38 \end{array}\]

(A) (1) C-D-B-E-A; (2) A-C-B-D-E (B) SPT

Given the following data for jobs awaiting processing at a manufacturing cell in which jobs are first processed by machine A, then by machine B: \[\begin{array} { c } \quad\quad\quad{ \text { Process Time (Hours) } } \\ \begin{array} { l c c } \text { Job } & \text { Center A } & \text { Center B } \\ \hline \mathrm { W } & 4 & 5 \\ \mathrm { X } & 6 & 6 \\ \mathrm { Y } & 1 & 2 \\ \mathrm { Z } & 5 & 2 \end{array}\end{array}\] If these jobs were scheduled in the sequence shown, what would be the throughput time?

The answer of Given the following data for jobs awaiting...

Exam 16: Scheduling

The owner/operator of the local franchise of Handyman, Inc., has four jobs to do today, shown in the order they were received: Job Processing Due Time (hrs) (hrs from now) 4 4 3 5 2 2 1 1 If he uses the earliest due date first priority rule to schedule these jobs, what will be the average job tardiness?

(Multiple Choice)

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Question 61

Ensuring that the constraining resource is used to its maximum is an example of constraint:

(Multiple Choice)

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Question 62

The president of a consulting firm wants to minimize the total number of hours it will take to complete four projects for a new client. Accordingly, she has estimated the time it should take for each of her top consultants-Charlie, Betty, Johnny, and Rick-to complete any of the four projects, as follows: Project (Hours) Consultant A B C D Charlie 13 16 11 13 Betty 11 15 14 18 Johnny 15 22 12 15 Rick 17 17 12 22 After the row and column reductions, what is the reduced time for assigning Rick to project D?

(Multiple Choice)

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Question 63

Sequencing is concerned with the order in which jobs are done, while loading is concerned with assigning jobs to work centers or workstations.

(True/False)

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Question 64

Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived: Job Processing Time (hrs) Due (hrs from now) 3 5 1 1 4 9 2 3 5 7 If Eva uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average completion time?

(Multiple Choice)

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Question 65

The two different approaches to load work centers in job-shop scheduling are:

(Multiple Choice)

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Question 66

Which of the following is critical to effective yield management?

(Multiple Choice)

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Question 67

Given the following data for jobs awaiting processing at a manufacturing cell in which jobs are first processed by machine A, then by machine B: Process Time (Hours) Job Center A Center B 4 5 6 6 1 2 5 2 In developing the sequence which will minimize throughput time, where should job X be placed?

(Short Answer)

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Question 68

In a single work center, makespan improvement can be accomplished by selecting the optimal sequencing rule.

(True/False)

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Question 69

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:

(Multiple Choice)

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Question 70

In the decision-making hierarchy, scheduling decisions are the final step in the transformation process before actual output occurs.

(True/False)

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Question 71

Priority rules are used in low-volume systems to identify an optimal processing sequence.

(True/False)

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Question 72

Makespan is the total time needed to complete a group of jobs.

(True/False)

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Question 73

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

(Multiple Choice)

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Question 74

Refer to the following data for jobs waiting to be processed at a single work center (jobs are shown in order of arrival): Job Processing Time ( days ) Due Date (days from now) 2 2 5 6 6 10 3 4 4 8 What is the schedule sequence using the shortest processing time priority rule?

(Short Answer)

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Question 75

There are four resources and four jobs to be done. The time required for each resource to do each job is as follows: Job (Hours) Resource 1 5 8 7 7 2 4 9 5 9 3 6 9 8 7 4 7 6 6 9 After the row and column reductions, what is the minimum number of lines needed to cover all of the zeroes?

(Multiple Choice)

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Question 76

Refer to the following data for jobs waiting to be processed at a single work center (jobs are shown in order of arrival): Job Processing Time ( days ) Due Date (days from now) 2 2 5 6 6 10 3 4 4 8 What is the average completion time for the first come, first served priority rule schedule? Average job tardiness? Average number of jobs at the center?

(Short Answer)

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Question 77

Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived: Job Processing Time ( hrs ) Due (hrs from now) V 3 5 W 1 1 4 9 2 3 5 7 If Eva uses the first come, first served priority rule to schedule these jobs, what will be the average completion time?

(Multiple Choice)

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Question 78

Given the information in the table, determine the following: (A) Processing sequence using (1) SPT and (2) EDD (B) Average completion time and average job tardiness using (1) SPT and (2) EDD Job Processing Time (hrs) Hour Due A 17 15 B 10 25 C 5 20 D 7 32 E 11 38

(Essay)

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Question 79

Given the following data for jobs awaiting processing at a manufacturing cell in which jobs are first processed by machine A, then by machine B: Process Time (Hours) Job Center A Center B 4 5 6 6 1 2 5 2 If these jobs were scheduled in the sequence shown, what would be the throughput time?

(Short Answer)

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Question 80

Ensuring that the constraining resource is used to its maximum is an example of constraint:

Sequencing is concerned with the order in which jobs are done, while loading is concerned with assigning jobs to work centers or workstations.

The two different approaches to load work centers in job-shop scheduling are:

Which of the following is critical to effective yield management?

Given the following data for jobs awaiting processing at a manufacturing cell in which jobs are first processed by machine A, then by machine B: Process Time (Hours) Job Center A Center B 4 5 6 6 1 2 5 2 In developing the sequence which will minimize throughput time, where should job X be placed?

In a single work center, makespan improvement can be accomplished by selecting the optimal sequencing rule.

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:

In the decision-making hierarchy, scheduling decisions are the final step in the transformation process before actual output occurs.

Priority rules are used in low-volume systems to identify an optimal processing sequence.

Makespan is the total time needed to complete a group of jobs.

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

Refer to the following data for jobs waiting to be processed at a single work center (jobs are shown in order of arrival): Job Processing Time ( days ) Due Date (days from now) 2 2 5 6 6 10 3 4 4 8 What is the schedule sequence using the shortest processing time priority rule?

There are four resources and four jobs to be done. The time required for each resource to do each job is as follows: Job (Hours) Resource 1 5 8 7 7 2 4 9 5 9 3 6 9 8 7 4 7 6 6 9 After the row and column reductions, what is the minimum number of lines needed to cover all of the zeroes?

Given the information in the table, determine the following: (A) Processing sequence using (1) SPT and (2) EDD (B) Average completion time and average job tardiness using (1) SPT and (2) EDD Job Processing Time (hrs) Hour Due A 17 15 B 10 25 C 5 20 D 7 32 E 11 38

Given the following data for jobs awaiting processing at a manufacturing cell in which jobs are first processed by machine A, then by machine B: Process Time (Hours) Job Center A Center B 4 5 6 6 1 2 5 2 If these jobs were scheduled in the sequence shown, what would be the throughput time?

Introduction to Operations Management

Competitiveness, Strategy, and Productivity

Forecasting

Product and Service Design

Extension: Reliability

Strategic Capacity Planning for Products and Services

Extension: Decision Theory

Process Selection and Facility Layout

Work Design and Measurement

Extension: Learning Curves

Location Planning and Analysis

Extension: The Transportation Model

Management of Quality

Quality Control

Extension: Acceptance Sampling

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Jit and Lean Operations

Extension: Maintenance

Supply Chain Management

Project Management

Management of Waiting Lines

Linear Programming

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