Question 1

Which of the following is NOT required to be known in order to schedule process-focused facilities?

Accepted Answer

A) the sequence of work 
B) which workers are assigned to each work center 
C) the time required for each item 
D) the capacity of each work center 
E) the availability of each work center 
A) the sequence of work 
B) which workers are assigned to each work center 
C) the time required for each item 
D) the capacity of each work center 
E) the availability of each work center

Question 2

Briefly describe how "the unexpected" makes short-term scheduling at Delta Airlines a challenge.Also describe how Delta meets that challenge,and achieves competitive advantage through short-term scheduling.

Accepted Answer

The unexpected refers to delays and canc

Question 3

Orders are processed in the sequence in which they arrive if (the)________ rule sequences the jobs.

Accepted Answer

A) earliest due date 
B) slack time remaining 
C) first come,first served 
D) critical ratio 
E) Johnson's 
A) earliest due date 
B) slack time remaining 
C) first come,first served 
D) critical ratio 
E) Johnson's

Question 4

A work center had planned outputs of 10,15,13,and 20 hours with actual outputs of 12,14,13,and 18 hours.What is the cumulative deviation in output?

Accepted Answer

A) 0 
B) 1 
C) -1 
D) 58 
E) Unable to determine with the given information 
A) 0 
B) 1 
C) -1 
D) 58 
E) Unable to determine with the given information

Question 5

If an assignment problem consists of 6 workers and 7 projects:

Accepted Answer

A) one worker will not get a project assignment. 
B) one worker will be assigned two projects. 
C) each worker will contribute work toward the seventh project. 
D) one project will not get a worker assigned. 
E) The problem cannot be solved by assignment method. 
A) one worker will not get a project assignment. 
B) one worker will be assigned two projects. 
C) each worker will contribute work toward the seventh project. 
D) one project will not get a worker assigned. 
E) The problem cannot be solved by assignment method.

Question 6

The assignment method provides an optimum,one-to-one assignment of jobs to resources.

Accepted Answer

A) True 
 B)False

Question 7

What does Johnson's rule do?

Accepted Answer

Johnson's rule is an approach

Question 8

What does the use of the shortest processing time sequencing rule generally produce?

Accepted Answer

A) maximum average lateness 
B) maximum utilization 
C) maximum effectiveness 
D) minimum average flow time 
E) B and D 
A) maximum average lateness 
B) maximum utilization 
C) maximum effectiveness 
D) minimum average flow time 
E) B and D

Question 9

Forward scheduling:

Accepted Answer

A) begins with a delivery date,then offsets each operation one at a time,in reverse order. 
B) has the same meaning as "finite loading." 
C) is often used in service environments such as catering a banquet or scheduling surgery. 
D) starts the schedule as soon as the job requirements are known. 
E) produces a schedule only if it meets the due date. 
A) begins with a delivery date,then offsets each operation one at a time,in reverse order. 
B) has the same meaning as "finite loading." 
C) is often used in service environments such as catering a banquet or scheduling surgery. 
D) starts the schedule as soon as the job requirements are known. 
E) produces a schedule only if it meets the due date.

Question 10

Five jobs are waiting to be processed.Their processing times and due dates are given below.Using the earliest due date dispatching rule,in which order should the jobs be processed?

Accepted Answer

A) C,E,A,D,B 
B) A,B,C,D,E 
C) B,D,A,E,C 
D) C,B,A,E,D 
E) B,D,A,C,E 
A) C,E,A,D,B 
B) A,B,C,D,E 
C) B,D,A,E,C 
D) C,B,A,E,D 
E) B,D,A,C,E

Question 11

Gantt charts are useful for scheduling jobs,but not for loading them.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is an advantage of the FCFS dispatching rule when used in services?

Accepted Answer

A) FCFS maximizes utilization. 
B) FCFS minimizes the average number of jobs in the system. 
C) FCFS minimizes the average lateness of all jobs. 
D) FCFS maximizes the number of jobs completed on time. 
E) FCFS seems fair to customers. 
A) FCFS maximizes utilization. 
B) FCFS minimizes the average number of jobs in the system. 
C) FCFS minimizes the average lateness of all jobs. 
D) FCFS maximizes the number of jobs completed on time. 
E) FCFS seems fair to customers.

Question 13

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,Gerald,Johnny,and Rick-to complete any of the four projects,as follows:
   (a)What is the total number of hours required by the following arbitrary assignment?
Charlie→B; Gerald→A; Johnny→D; Rick→C
(b)What is the optimal assignment of consultants to projects? (Use the assignment method.)
(c)For the optimal schedule,what is the total number of hours it will take these consultants to complete these projects?

Accepted Answer

(a)16 + 13 + 15 + 12

Question 14

Given the following chart of jobs assigned with Johnson's rule,suppose that all the jobs (A,B,C,etc)could be evenly divided into two tasks (such as A1 and A2,B1 and B2,etc).Suppose job D is split into two equivalently sized sections,D1 and D2,each with a body work time of 1.5 hours and a paint time of 2 hours (D1 and D2 sum to 3 hours of body work and 4 hours of paint which is equivalent to
D).How much is makespan reduced by this splitting of D?

Accepted Answer

Job D1 could now start paint at t=1.5 an

Question 15

What is the assignment method?

Accepted Answer

The assignment method is a spe

Question 16

The ________ is a special class of linear programming models that involves assigning tasks or jobs to resources.

Accepted Answer

The answer of The ________ is a special class of...

Question 17

________ uses computerized short-term scheduling to overcome the disadvantages of rule-based systems by providing the user with interactive computing and graphical output.

Accepted Answer

Finite cap

Question 18

A manufacturer has the following jobs waiting on a single work center.The firm has not decided which dispatching rule to apply in order to prioritize the jobs and fix them into the schedule.Processing time in 15-minute time blocks and due date for each job are in the table below.
   a.Complete the following table.Show your supporting calculations below.
b.Which dispatching rule has the best score for flow time? for work in process (jobs in the system)? for lateness?
c.Is there ANY sequence that can avoid all lateness? Explain or provide an example.

Accepted Answer

(a)The results appear in the table below

Question 19

What are four main criteria by which we evaluate sequencing rules?

Accepted Answer

There are a number of criteria for evalu

Question 20

What makes short-term scheduling of strategic importance?

Accepted Answer

1.Internally effective scheduling means

Exam 16: Short-Term Scheduling

Which of the following is NOT required to be known in order to schedule process-focused facilities?

Briefly describe how "the unexpected" makes short-term scheduling at Delta Airlines a challenge.Also describe how Delta meets that challenge,and achieves competitive advantage through short-term scheduling.

Orders are processed in the sequence in which they arrive if (the)________ rule sequences the jobs.

A work center had planned outputs of 10,15,13,and 20 hours with actual outputs of 12,14,13,and 18 hours.What is the cumulative deviation in output?

If an assignment problem consists of 6 workers and 7 projects:

The assignment method provides an optimum,one-to-one assignment of jobs to resources.

What does Johnson's rule do?

What does the use of the shortest processing time sequencing rule generally produce?

Forward scheduling:

Five jobs are waiting to be processed.Their processing times and due dates are given below.Using the earliest due date dispatching rule,in which order should the jobs be processed?

Gantt charts are useful for scheduling jobs,but not for loading them.

Which of the following is an advantage of the FCFS dispatching rule when used in services?

What is the assignment method?

The ________ is a special class of linear programming models that involves assigning tasks or jobs to resources.

________ uses computerized short-term scheduling to overcome the disadvantages of rule-based systems by providing the user with interactive computing and graphical output.

What are four main criteria by which we evaluate sequencing rules?

What makes short-term scheduling of strategic importance?

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