Question 1

Identify the major disadvantages of the Gantt load chart.

Accepted Answer

It does not account for production variability,such as unexpected breakdowns or human errors that require reworking a job.Consequently,the chart must be updated regularly to account for new jobs and revised time estimates.

Question 2

Which of the following is NOT tracked by scheduling optimization systems used in retail stores?

Accepted Answer

A)  cars parked in the parking lot
B)  individual store sales
C)  transactions
D)  units sold
E)  customer trafficF) A) and D)
G) D) and E) A

Question 3

The critical ratio sequencing rule prioritizes the jobs based on the importance or value of the customers who have placed the orders.

Accepted Answer

A) True 
 B)False

Question 4

Five jobs are waiting for processing through two work centers.Their processing time (in minutes) at each work center is contained in the table below.Each job requires work center Sigma before work center Delta.According to Johnson's rule,what sequence of jobs will minimize the completion time for all jobs?

Accepted Answer

A)  R-S-T-U-V
B)  S-V-T-R-U
C)  S-U-T-V-R
D)  V-R-U-S-T
E)  R-V-T-S-UF) A) and C)
G) B) and C)

Question 5

Which of the following dispatching rules tends to minimize job flow time?

Accepted Answer

A)  FCFS: first come,first served
B)  SPT: shortest processing time
C)  EDD: earliest due date
D)  LPT: longest processing time
E)  FCLS: first come,last servedF) C) and D)
G) B) and C)

Question 6

Which of the following is not an effectiveness criterion for scheduling?

Accepted Answer

A)  minimizing customer waiting time
B)  minimizing completion time
C)  minimizing WIP inventory
D)  maximizing utilization
E)  maximizing flow timeF) B) and C)
G) B) and D)

Question 7

What is the priority rule that sequences jobs using the smallest ratio of due date from today to processing time?

Accepted Answer

A)  critical ratio
B)  earliest due date
C)  first come,first served
D)  longest processing time
E)  shortest processing timeF) A) and B)
G) C) and D)

Question 8

Finite capacity scheduling provides the user with graphical interactive computing,which is the technique's primary advantage over rule-based scheduling.

Accepted Answer

A) True 
 B)False

Question 9

The priority rule that appears fair to customers in service systems is ________.

Accepted Answer

first come...

Question 10

Sequencing (or dispatching) :

Accepted Answer

A)  assigns dates to specific jobs or operations steps.
B)  assigns jobs to work centers.
C)  specifies the order in which jobs should be done at each center.
D)  assigns workers to jobs.
E)  assigns workers to machines.F) C) and E)
G) D) and E)

Question 11

Eight jobs have been sequenced at a single work center.Total processing time for the eight jobs is 34 hours,and total flow time for the sequence is 85 hours.For this schedule,utilization is ________ and the average number of jobs in the system is ________.

Accepted Answer

A)  100 percent; 10.625
B)  low; .0941
C)  0.400 or 40 percent; 2.5
D)  0.235 or 23.5 percent; 4.25
E)  maximized; minimizedF) B) and D)
G) A) and C)

Question 12

Five welding jobs are waiting to be processed.Their processing times and due dates are given below.Using the critical ratio dispatching rule,in which order should the jobs be processed? All dates are specified as days from today.

Accepted Answer

A)  B,D,A,E,C
B)  C,D,A,B,E
C)  C,E,A,D,B
D)  E,B,A,D,C
E)  B,D,A,C,EF) B) and E)
G) A) and D)

Question 13

The short-term scheduling activity called "loading":

Accepted Answer

A)  assigns dates to specific jobs or operations steps.
B)  specifies the order in which jobs should be done at each center.
C)  assigns jobs to work centers
D)  assigns workers to jobs.
E)  assigns workers to machines.F) B) and D)
G) B) and C)

Question 14

The jobs listed below need to be completed.Assume that it is now day 140.If the jobs are sequenced according to the longest processing time rule,what is the lateness of job A?

Accepted Answer

A)  0.0 days
B)  24.0 days
C)  7.4 days
D)  10.0 days
E)  11.6 daysF) A) and B)
G) D) and E)

Question 15

What is finite capacity scheduling (FCS)?

Accepted Answer

FCS is computerized short-term scheduling that overcomes the disadvantages of rule-based systems by providing the user with graphical interactive computing.

Question 16

EDD stands for what?

Accepted Answer

A)  earliest due date
B)  earliest design date
C)  earliest detrimental date
D)  earliest decision date
E)  economic date determinationF) B) and E)
G) B) and D)

Question 17

The jobs listed below need to be completed.Assume that it is now day 140.If the jobs are sequenced according to the shortest processing time rule,what is the average completion time?

Accepted Answer

A)  47.6 days
B)  60.2 days
C)  94.0 days
D)  2.5 days
E)  238.0 daysF) B) and D)
G) C) and D)

Question 18

Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2).The processing times are given in the table below.
a.What is the optimal sequence?
b.What is the total flow time for this sequence?

Accepted Answer

(a,b)The optimal sequence is M...

Question 19

The emergency room at a hospital estimates the following requirements for registered nurses (RNs)for the late night shift each week.Nurses work four consecutive days,then have off three days.
  Perform cyclical scheduling on the data.(Note that you must identify three-day patterns of minimum requirements).How many RNs are required? How much extra capacity is required?

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> Days off are shaded.Seven full-time RNs...

Question 20

Because of the significance of labor in the scheduling of services,behavioral and social issues,wage and hour laws,and union contracts all complicate the scheduling process.

Accepted Answer

A) True 
 B)False

Exam 16: Short-Term Scheduling

Identify the major disadvantages of the Gantt load chart.

Correct Answer
verified
It does not account for production variability,such as unexpected breakdowns or human errors that require reworking a job.Consequently,the chart must be updated regularly to account for new jobs and revised time estimates.

Which of the following is NOT tracked by scheduling optimization systems used in retail stores?

Correct Answer
verified
A

The critical ratio sequencing rule prioritizes the jobs based on the importance or value of the customers who have placed the orders.

Correct Answer
verified

Correct Answer
verified

Which of the following dispatching rules tends to minimize job flow time?

Correct Answer
verified

Which of the following is not an effectiveness criterion for scheduling?

Correct Answer
verified

What is the priority rule that sequences jobs using the smallest ratio of due date from today to processing time?

Correct Answer
verified

Finite capacity scheduling provides the user with graphical interactive computing,which is the technique's primary advantage over rule-based scheduling.

Correct Answer
verified

The priority rule that appears fair to customers in service systems is ________.

Correct Answer
verified
first come...
View Answer

Sequencing (or dispatching) :

Correct Answer
verified

Eight jobs have been sequenced at a single work center.Total processing time for the eight jobs is 34 hours,and total flow time for the sequence is 85 hours.For this schedule,utilization is and the average number of jobs in the system is .

Correct Answer
verified

Five welding jobs are waiting to be processed.Their processing times and due dates are given below.Using the critical ratio dispatching rule,in which order should the jobs be processed? All dates are specified as days from today.

Correct Answer
verified

The short-term scheduling activity called "loading":

Correct Answer
verified

The jobs listed below need to be completed.Assume that it is now day 140.If the jobs are sequenced according to the longest processing time rule,what is the lateness of job A?

Correct Answer
verified

What is finite capacity scheduling (FCS)?

Correct Answer
verified
FCS is computerized short-term scheduling that overcomes the disadvantages of rule-based systems by providing the user with graphical interactive computing.

EDD stands for what?

Correct Answer
verified

The jobs listed below need to be completed.Assume that it is now day 140.If the jobs are sequenced according to the shortest processing time rule,what is the average completion time?

Correct Answer
verified

Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2).The processing times are given in the table below. a.What is the optimal sequence? b.What is the total flow time for this sequence?

Correct Answer
verified
(a,b)The optimal sequence is M...
View Answer

Correct Answer
verified
Days off are shaded.Seven full-time RNs...
View Answer

Because of the significance of labor in the scheduling of services,behavioral and social issues,wage and hour laws,and union contracts all complicate the scheduling process.

Correct Answer
verified

Exam 16: Short-Term Scheduling

Identify the major disadvantages of the Gantt load chart.

Correct AnswerverifiedIt does not account for production variability,such as unexpected breakdowns or human errors that require reworking a job.Consequently,the chart must be updated regularly to account for new jobs and revised time estimates.

Which of the following is NOT tracked by scheduling optimization systems used in retail stores?

Correct AnswerverifiedA

The critical ratio sequencing rule prioritizes the jobs based on the importance or value of the customers who have placed the orders.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following dispatching rules tends to minimize job flow time?

Correct AnswerverifiedShow Answer

Which of the following is not an effectiveness criterion for scheduling?

Correct AnswerverifiedShow Answer

What is the priority rule that sequences jobs using the smallest ratio of due date from today to processing time?

Correct AnswerverifiedShow Answer

Finite capacity scheduling provides the user with graphical interactive computing,which is the technique's primary advantage over rule-based scheduling.

Correct AnswerverifiedShow Answer

The priority rule that appears fair to customers in service systems is ________.

Correct Answerverifiedfirst come...View AnswerShow Answer

Sequencing (or dispatching) :

Correct AnswerverifiedShow Answer

Eight jobs have been sequenced at a single work center.Total processing time for the eight jobs is 34 hours,and total flow time for the sequence is 85 hours.For this schedule,utilization is ________ and the average number of jobs in the system is ________.

Correct AnswerverifiedShow Answer

Five welding jobs are waiting to be processed.Their processing times and due dates are given below.Using the critical ratio dispatching rule,in which order should the jobs be processed? All dates are specified as days from today.

Correct AnswerverifiedShow Answer

The short-term scheduling activity called "loading":

Correct AnswerverifiedShow Answer

The jobs listed below need to be completed.Assume that it is now day 140.If the jobs are sequenced according to the longest processing time rule,what is the lateness of job A?

Correct AnswerverifiedShow Answer

What is finite capacity scheduling (FCS)?

Correct AnswerverifiedFCS is computerized short-term scheduling that overcomes the disadvantages of rule-based systems by providing the user with graphical interactive computing.

EDD stands for what?

Correct AnswerverifiedShow Answer

The jobs listed below need to be completed.Assume that it is now day 140.If the jobs are sequenced according to the shortest processing time rule,what is the average completion time?

Correct AnswerverifiedShow Answer

Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2).The processing times are given in the table below. a.What is the optimal sequence? b.What is the total flow time for this sequence?

Correct Answerverified(a,b)The optimal sequence is M...View AnswerShow Answer

Correct Answerverified Days off are shaded.Seven full-time RNs...View AnswerShow Answer

Because of the significance of labor in the scheduling of services,behavioral and social issues,wage and hour laws,and union contracts all complicate the scheduling process.

Correct AnswerverifiedShow Answer

Correct Answer
verified
It does not account for production variability,such as unexpected breakdowns or human errors that require reworking a job.Consequently,the chart must be updated regularly to account for new jobs and revised time estimates.

Correct Answer
verified
A

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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first come...
View Answer

Correct Answer
verified

Eight jobs have been sequenced at a single work center.Total processing time for the eight jobs is 34 hours,and total flow time for the sequence is 85 hours.For this schedule,utilization is and the average number of jobs in the system is .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
FCS is computerized short-term scheduling that overcomes the disadvantages of rule-based systems by providing the user with graphical interactive computing.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
(a,b)The optimal sequence is M...
View Answer

Correct Answer
verified
Days off are shaded.Seven full-time RNs...
View Answer

Correct Answer
verified