Question 1

A material requirements planning system is an example of which of the following scheduling systems?

Accepted Answer

A) Infinite loading, backward scheduling 
B) Finite loading, backward scheduling 
C) Infinite loading, forward scheduling 
D) Finite loading, forward scheduling 
E) None of these 
A) Infinite loading, backward scheduling 
B) Finite loading, backward scheduling 
C) Infinite loading, forward scheduling 
D) Finite loading, forward scheduling 
E) None of these

Question 2

The objective of Johnson's rule for job sequencing is to minimize flow time from the beginning of the first job until the completion of the last job.

Accepted Answer

A) True 
 B)False

Question 3

The textbook underscores the importance of scheduling with the phrase "workflow equals cash flow, and scheduling lies at the heart of the process."

Accepted Answer

A) True 
 B)False

Question 4

Priority rules are the rules used to obtain a job sequence in production scheduling.

Accepted Answer

A) True 
 B)False

Question 5

Shop-floor control (or production activity control) can involve reviewing the status and controlling the progress of orders as they are being worked on.

Accepted Answer

A) True 
 B)False

Question 6

A job has 10 days of processing time left to do before completion, and today is the 5th day of the month.If the job is due on the 15th day of the month, what is its critical ratio?

Accepted Answer

A) 3 
B) 2 
C) 1 
D) 0.8 
E) - 0.8 
A) 3 
B) 2 
C) 1 
D) 0.8 
E) - 0.8

Question 7

What is sub-optimization in scheduling? ______________________________________________.

Accepted Answer

a schedule that works well for one part

Question 8

Which of the following might be a status and exception report used in shop-floor control?

Accepted Answer

A) Absentee report 
B) Quality failure report 
C) Shortage lists 
D) Expediting report 
E) Union activity report 
A) Absentee report 
B) Quality failure report 
C) Shortage lists 
D) Expediting report 
E) Union activity report

Question 9

Which of the following is a tool of shop-floor control?

Accepted Answer

A) The hours worked per employee report 
B) The anticipated delay report 
C) The permanent work-in-process report 
D) Time and motion studies 
E) Product and process control report 
A) The hours worked per employee report 
B) The anticipated delay report 
C) The permanent work-in-process report 
D) Time and motion studies 
E) Product and process control report

Question 10

One of the principles of work center scheduling is that, while certainty of standards, routings, and so forth is not entirely possible in a shop, certainty should always be an objective to work toward.

Accepted Answer

A) True 
 B)False

Question 11

Assume you are sequencing jobs using Johnson's rule.A particular job requires 7 hours to assemble and then is followed by 8 hours in the painting department.Which of the following is where you would schedule this job?

Accepted Answer

A) As early as possible in the unfilled job sequence. 
B) As late as possible in the unfilled job sequence. 
C) The schedule would depend on the due date. 
D) Does not matter. 
E) Johnson's Rule does not apply. 
A) As early as possible in the unfilled job sequence. 
B) As late as possible in the unfilled job sequence. 
C) The schedule would depend on the due date. 
D) Does not matter. 
E) Johnson's Rule does not apply.

Question 12

A shop-floor control system is a system that uses data from the shop floor as well as data processing files to maintain and communicate status information on shop orders and work centers.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is not an objective of work center scheduling?

Accepted Answer

A) Meeting due dates 
B) Providing time for quality at the source 
C) Minimizing setup time or cost 
D) Minimizing work-in-process inventory 
E) Minimizing lead time 
A) Meeting due dates 
B) Providing time for quality at the source 
C) Minimizing setup time or cost 
D) Minimizing work-in-process inventory 
E) Minimizing lead time

Question 14

A system that "backward schedules" is designed to determine and report the earliest date an order can be completed.

Accepted Answer

A) True 
 B)False

Question 15

Assume you are sequencing jobs using Johnson's rule.A particular job requires 3 hours to assemble and then is followed by 2 hours in the painting department.Which of the following is where you would schedule this job?

Accepted Answer

A) As early as possible in the unfilled job sequence. 
B) As late as possible in the unfilled job sequence. 
C) The schedule would depend on the due date. 
D) Does not matter. 
E) Johnson's rule does not apply. 
A) As early as possible in the unfilled job sequence. 
B) As late as possible in the unfilled job sequence. 
C) The schedule would depend on the due date. 
D) Does not matter. 
E) Johnson's rule does not apply.

Question 16

One of the principles of work center scheduling is that the effectiveness of any shop should be measured by speed of flow through the shop.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is a priority rule used to schedule the sequence of jobs in a production operation?

Accepted Answer

A) Last-come, first-served 
B) Last complaint first 
C) First on hand first 
D) Longest slack time first 
E) Parts on hand first 
A) Last-come, first-served 
B) Last complaint first 
C) First on hand first 
D) Longest slack time first 
E) Parts on hand first

Question 18

For a low-volume job shop type of manufacturing, which of the following is the typical production scheduling approach?

Accepted Answer

A) Finite forward scheduling 
B) Finite backward scheduling 
C) Infinite backward scheduling 
D) Infinite forward scheduling 
E) Soonest due date 
A) Finite forward scheduling 
B) Finite backward scheduling 
C) Infinite backward scheduling 
D) Infinite forward scheduling 
E) Soonest due date

Question 19

A work center has five jobs assigned to it.They are labeled, in the order of their arrival in the shop, as jobs A, B, C, D, and E.The work center may work on only one job at a time and must complete any job it starts before starting another job.Job A has a processing time of 6 days and is due to the customer in 9 days.Job B has a processing time of 2 days and is due in 16 days.Job C has a processing time of 4 days and is due in 10 days.Job D has a processing time of 3 days and is due in 7 days.Job E has a processing time of 5 days and is due in 12 days.Using the slack time remaining priority rule, in what order should these jobs be undertaken? _______________________________________.

Accepted Answer

The answer of A work center has five jobs assigned...

Question 20

A work center has five jobs assigned to it.They are labeled, in the order of their arrival in the shop, as jobs A, B, C, D, and E.The work center may work on only one job at a time and must complete any job it starts before starting another job.Job A has a processing time of 6 days and is due to the customer in 9 days.Job B has a processing time of 2 days and is due in 16 days.Job C has a processing time of 4 days and is due in 10 days.Job D has a processing time of 3 days and is due in 7 days.Job E has a processing time of 5 days and is due in 12 days.Using the shortest operating time priority rule, what will be the average lateness of these orders? ______________________________________.

Accepted Answer

The answer of A work center has five jobs assigned...

Exam 22: Workcenter Scheduling

A material requirements planning system is an example of which of the following scheduling systems?

The objective of Johnson's rule for job sequencing is to minimize flow time from the beginning of the first job until the completion of the last job.

The textbook underscores the importance of scheduling with the phrase "workflow equals cash flow, and scheduling lies at the heart of the process."

Priority rules are the rules used to obtain a job sequence in production scheduling.

Shop-floor control (or production activity control) can involve reviewing the status and controlling the progress of orders as they are being worked on.

A job has 10 days of processing time left to do before completion, and today is the 5th day of the month.If the job is due on the 15th day of the month, what is its critical ratio?

What is sub-optimization in scheduling? ______________________________________________.

Which of the following might be a status and exception report used in shop-floor control?

Which of the following is a tool of shop-floor control?

One of the principles of work center scheduling is that, while certainty of standards, routings, and so forth is not entirely possible in a shop, certainty should always be an objective to work toward.

Assume you are sequencing jobs using Johnson's rule.A particular job requires 7 hours to assemble and then is followed by 8 hours in the painting department.Which of the following is where you would schedule this job?

A shop-floor control system is a system that uses data from the shop floor as well as data processing files to maintain and communicate status information on shop orders and work centers.

Which of the following is not an objective of work center scheduling?

A system that "backward schedules" is designed to determine and report the earliest date an order can be completed.

Assume you are sequencing jobs using Johnson's rule.A particular job requires 3 hours to assemble and then is followed by 2 hours in the painting department.Which of the following is where you would schedule this job?

One of the principles of work center scheduling is that the effectiveness of any shop should be measured by speed of flow through the shop.

Which of the following is a priority rule used to schedule the sequence of jobs in a production operation?

For a low-volume job shop type of manufacturing, which of the following is the typical production scheduling approach?

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A job has 10 days of processing time left to do before completion, and today is the 5^th day of the month.If the job is due on the 15^th day of the month, what is its critical ratio?