Question 1

Assume there are five jobs (i.e., A, B, C, D, and E) that need to be sequenced in a production schedule.The remaining operating time necessary for completion of job A is 4 days (i.e., job A will take 4 more days to complete), B will take 7 days, C will take 8 days, D will take 2 days, and E will take 5 days.All jobs are available now and the time now is 0.Using SOT rule sequence the jobs and find the schedule (single machine scheduling problem).What is the completion time of job B as per your schedule?
A)2
B)6
C)26
D)11
E)18

Accepted Answer

The answer of Assume there are five jobs (i.e., A,...

Question 2

Which of the following priority rules used in scheduling the sequence of production is calculated as the time remaining before the due date minus the remaining processing time, with the smallest value being run first?
A)STR
B)CR
C)SOT
D)LCFS
E)EDD

Accepted Answer

The answer of Which of the following priority rules used...

Question 3

Which of the following is not one of the major functions of shop-floor control?
A)Measure efficiency, utilization, and productivity of manpower and machines.
B)Assign a priority to each shop order.
C)Load machine hours into workstations.
D)Track WIP quantity by location by shop order to accounting.
E)Convey shop order status information to the office.

Accepted Answer

Loading machine hours into workstations is not a major function of shop-floor control. The major functions are measuring efficiency and productivity, assigning priorities to shop orders, tracking WIP quantity and conveying shop order status.

Question 4

Which of the following might be a status and exception report used in shop-floor control?
A)Absentee report
B)Quality failure report
C)Shortage lists
D)Expediting report
E)Union activity report

Accepted Answer

The answer of Which of the following might be a...

Question 5

Assume there are five jobs (i.e., A, B, C, D, and E) that need to be sequenced in a production schedule.The remaining operating time necessary for completion of job A is 3 days (i.e., job A will take 3 more days to complete), B will take 9 days, C will take 6 days, D will take 5 days and E will take 8 days.Which job should be scheduled last if using the SOT priority rule for job sequencing?
A)A
B)B
C)C
D)D
E)E

Accepted Answer

SOT (shortest operating time) priority rule means that the job with the shortest remaining operating time is scheduled first. Therefore, by applying the opposite logic, the job with the longest remaining operating time should be scheduled last. In this case, job B has the longest remaining operating time of 9 days, so it should be scheduled last.

Question 6

The assignment method is useful in solving scheduling problems that have which of the following characteristics?
A)There are n jobs to be distributed to n machines or workers.
B)Each job can only be done on one particular machine.
C)Speed and efficiency are important.
D)The objective is to minimize cost and lateness of delivery.
E)The jobs have to go through more than one process.

Accepted Answer

The answer of The assignment method is useful in solving...

Question 7

Assume there are five jobs (i.e., A, B, C, D, and E) that need to be sequenced in a production schedule.The remaining operating time necessary for completion of job A is 4 days (i.e., job A will take 4 more days to complete), B will take 7 days, C will take 8 days, D will take 2 days, and E will take 5 days.Which job should be scheduled first if you use the SOT priority rule for job sequencing?
A)A
B)B
C)C
D)D
E)E

Accepted Answer

SOT (Shortest Operating Time) priority rule means that the job with the shortest remaining operating time is scheduled first. Therefore, job D should be scheduled first as it has the shortest remaining operating time of only 2 days.

Question 8

Which of the following is one of the major functions of shop-floor control?
A)Observing the priorities set for each shop order
B)Keeping work-in-process inventory out of the way
C)Conveying shop-order status information to the office
D)Controlling cost and materials waste
E)Keeping the workforce fully utilized

Accepted Answer

One of the major functions of shop-floor control is conveying shop-order status information to the office. This helps to provide transparency and visibility into the progress of production and enables better decision-making. While options A, B, D, and E are also important functions of shop-floor control, conveying status information is a key aspect of ensuring efficiency and productivity.

Question 9

Which of the following priority rules used in scheduling the sequence of production is calculated as the slack time remaining in the schedule divided by the number of remaining operations, with the smallest value being run first?
A)STR
B)Johnson's
C)STR/OP
D)LCFS
E)FCFS

Accepted Answer

The priority rule described is STR/OP (Slack Time Remaining divided by number of Operations Remaining). It allows for efficient use of slack time to prioritize jobs that are behind schedule while also considering the number of remaining operations. Johnson's rule, LCFS, and FCFS are all different priority rules with different calculations. While STR (Slack Time Remaining) is a valid priority rule, the addition of the remaining operations in the calculation makes STR/OP the best choice for prioritizing the sequence of production.

Question 10

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?
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.

Accepted Answer

Johnson's rule aims to minimize the total time of production by sequencing jobs in the most efficient manner possible. To achieve this, jobs with the shortest processing time (i.e., the jobs that can be completed first) are processed first. In this particular case, the job requires 3 hours to assemble and 2 hours in the painting department, which means that it has a total processing time of 5 hours. Therefore, the job should be scheduled as late as possible in the unfilled job sequence so that other shorter jobs can be processed first. This would help minimize the total processing time and increase efficiency.

Question 11

Which of the following priority rule will minimize the average flow time of jobs and also perform well in other measures such as average lateness
A)STR
B)CR
C)SOT
D)LCFS
E)EDD

Accepted Answer

The answer of Which of the following priority rule will...

Question 12

Which of the following is not a priority rule used to schedule the sequence of jobs in a production operation?
A)First-come, first-served
B)Shortest operating time
C)Last-in, first-out
D)Critical ratio
E)Slack-time-remaining per operation

Accepted Answer

First-come, first-served, shortest operating time, critical ratio, and slack-time remaining per operation are all priority rules commonly used to schedule the sequence of jobs in a production operation. However, last-in, first-out is not a priority rule used for scheduling but rather a method of inventory management.

Question 13

Which of the following is a principle of work center scheduling?
A)Once started, a job can and should be finished even if unavoidably interrupted.
B)Reschedule every day.
C)Achieve certainty in standards and routings.
D)Give work centers less to do then their maximum.
E)Assign the first worker to all of the days that require staffing.

Accepted Answer

The principle of work center scheduling is to reschedule every day based on the updated information on work center capacity, job priorities, and due dates. This allows the schedule to be flexible and adaptable to changing conditions, ensuring that resources are used effectively and efficiently. The other options listed are not principles of work center scheduling.

Question 14

Assume you are sequencing jobs using Johnson's rule.There are three jobs called A, B and C.The first step in assembling and the second step is painting. Job A requires 3 hours to assemble and 6 hours to paint.Job B requires 7 hours to assemble and 2 hours to paint.Job C requires 4 hours to assemble and 1 hour to paint.The objective is to minimize the total processing time of all jobs, using Johnson's rule.What is the correct sequence to process the jobs?
A)A - C - B
B)B - C - A
C)B - A - C
D)A - B - C
E)C - B - A

Accepted Answer

The answer of Assume you are sequencing jobs using Johnson's...

Question 15

Assume there are five jobs (i.e., A, B, C, D, and E) that need to be sequenced in a production schedule.The remaining operating time necessary for completion of job A is 3 days (i.e., job A will take 3 more days to complete), B will take 9 days, C will take 6 days, D will take 5 days and E will take 8 days.In what order will these jobs be scheduled if using the SOT priority rule for job sequencing?
A)A-B-D-E-C
B)A-D-C-E-B
C)D-C-A-B-E
D)B-E-C-D-A
E)E-D-A-B-C

Accepted Answer

The SOT (shortest operating time) priority rule dictates that jobs with the shortest remaining operating time should be scheduled first. Applying this rule, we get the following sequence:
A (3 days remaining) - D (5 days remaining) - C (6 days remaining) - E (8 days remaining) - B (9 days remaining)
Therefore, option B (A-D-C-E-B) is the correct answer.

Question 16

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

Accepted Answer

The answer of Which of the following is a tool...

Question 17

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

Accepted Answer

The critical ratio is calculated by dividing the remaining processing time by the remaining time until the due date. Therefore, the critical ratio for this job is 10/(15-5) = 1.

Question 18

A job has 5 days of processing time left to do before completion, and today is the 10^th day of the month.If the job is due on the 14^th day of the month, what is its critical ratio? A)5 B)2 C)0.8 D)0.5 E)0.1

Accepted Answer

The critical ratio is defined as time left to do the job divided by time left until the job is due. Time left to do the job = 5 days Time left until the job is due = 14^th day of the month - today's date (10^th day of the month) = 14 - 10 = 4 days Critical ratio = 5/4 = 1.25 Therefore, the job has a critical ratio of 1.25. The best choice is C, as it gives the correct answer and explanation.

Question 19

Which of the following is a priority rule used to schedule the sequence of jobs in a production operation?
A)Last-come, first-served
B)Last complaint first
C)First on hand first
D)Longest slack time first
E)Parts on hand first

Accepted Answer

The answer of Which of the following is a priority...

Question 20

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)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.

Accepted Answer

Johnson's rule is used for minimizing the total time taken to complete a set of jobs that are to go through two stages of production. The rule states that if a job has a shorter first operation, it should be scheduled as early as possible, and if it has a shorter second operation, it should be scheduled as late as possible. Since the given job requires 7 hours to assemble (first operation) and then 8 hours in the painting department (second operation), it has a shorter first operation and thus should be scheduled as early as possible in the unfilled job sequence.

Quiz 22: Workcenter Scheduling

Which of the following priority rules used in scheduling the sequence of production is calculated as the time remaining before the due date minus the remaining processing time, with the smallest value being run first?

Which of the following is not one of the major functions of shop-floor control?

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

The assignment method is useful in solving scheduling problems that have which of the following characteristics?

Which of the following is one of the major functions of shop-floor control?

Which of the following priority rules used in scheduling the sequence of production is calculated as the slack time remaining in the schedule divided by the number of remaining operations, with the smallest value being run first?

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?

Which of the following priority rule will minimize the average flow time of jobs and also perform well in other measures such as average lateness

Which of the following is not a priority rule used to schedule the sequence of jobs in a production operation?

Which of the following is a principle of work center scheduling?

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

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?

A job has 5 days of processing time left to do before completion, and today is the 10th day of the month.If the job is due on the 14th day of the month, what is its critical ratio?

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

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 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?

A job has 5 days of processing time left to do before completion, and today is the 10^th day of the month.If the job is due on the 14^th day of the month, what is its critical ratio?