Question 1

The assignment method of linear programming can be used for both loading and employee scheduling.

Accepted Answer

A) True 
 B)False  True

Question 2

Johnson's rule gives an optimal sequence for jobs processed serially through a two-step system.

Accepted Answer

A) True 
 B)False  True

Question 3

A work package travels with a job to specify what work needs to be done at a particular work station and where the job goes next.

Accepted Answer

A) True 
 B)False  True

Question 4

The following set of jobs must be processed serially through a two-step system.If Johnson's Rule is used to sequence the jobs then the order in which the jobs would be performed is

Accepted Answer

A) A-B-C-D-E 
B) C-B-E-D-A 
C) E-B-D-A-C 
D) D-E-B-A-C 
A) A-B-C-D-E 
B) C-B-E-D-A 
C) E-B-D-A-C 
D) D-E-B-A-C

Question 5

To maintain the synchronization required for theory of constraints,Goldratt introduced the concept of

Accepted Answer

A) drum-buffer-rope. 
B) transfer batches. 
C) manufacturing execution systems. 
D) None of these answer choices is correct. 
A) drum-buffer-rope. 
B) transfer batches. 
C) manufacturing execution systems. 
D) None of these answer choices is correct.

Question 6

What makes scheduling so difficult in a job shop?

Accepted Answer

Job shop scheduling is difficult because

Question 7

The first-come,first-served (FCFS)sequencing rule should be only used when operating at high levels of capacity.

Accepted Answer

A) True 
 B)False

Question 8

Four products (1,2,3,and 4)must be processed on one of four machines (A,B,C,and D).The times required in minutes for each product on each machine are shown below.   If management wishes to assign products to machines so that the total time to complete all the products is minimized,then Product 1 is assigned to

Accepted Answer

A) machine A. 
B) machine B. 
C) machine C. 
D) machine D. 
A) machine A. 
B) machine B. 
C) machine C. 
D) machine D.

Question 9

If the following jobs are sequenced according to the DDATE rule then the maximum job tardiness (in days)is (assume zero for today's date)

Accepted Answer

A) 12 days. 
B) 15 days. 
C) 16 days. 
D) 27 days. 
A) 12 days. 
B) 15 days. 
C) 16 days. 
D) 27 days.

Question 10

If the following jobs are sequenced according to the DDATE rule then the mean tardiness (in days)for all jobs is (assume zero for today's date)

Accepted Answer

A) 9.0 days. 
B) 5.4 days. 
C) 3.2 days. 
D) 2.8 days 
A) 9.0 days. 
B) 5.4 days. 
C) 3.2 days. 
D) 2.8 days

Question 11

If the following jobs are sequenced according to the LPT rule then the mean completion time (in days)for all jobs is (assume zero for today's date)

Accepted Answer

A) 118 days. 
B) 6.6 days. 
C) 33 days. 
D) 23.6 days 
A) 118 days. 
B) 6.6 days. 
C) 33 days. 
D) 23.6 days

Question 12

A manufacturing execution system is software that uses intelligent analytical tools and techniques to develop realistic schedules.

Accepted Answer

A) True 
 B)False

Question 13

Managers typically use multiple objectives when constructing a schedule.

Accepted Answer

A) True 
 B)False

Question 14

Tardiness is defined as the difference between a job's flow time and makespan.

Accepted Answer

A) True 
 B)False

Question 15

If the following jobs are sequenced according to the SLACK rule then the mean completion time (in days)for all jobs is (assume zero for today's date)

Accepted Answer

A) 35 days. 
B) 20.8 days. 
C) 18.4 days. 
D) 7 days. 
A) 35 days. 
B) 20.8 days. 
C) 18.4 days. 
D) 7 days.

Question 16

Which of the following is not typically considered an objective of scheduling?

Accepted Answer

A) minimizing job lateness 
B) maximizing time in the system 
C) minimizing overtime 
D) maximizing machine utilization 
A) minimizing job lateness 
B) maximizing time in the system 
C) minimizing overtime 
D) maximizing machine utilization

Question 17

What is the difference between infinite scheduling and finite scheduling?

Accepted Answer

Infinite scheduling loads work without r

Question 18

The theory of constraints (TOC)approach to scheduling concentrates on scheduling the bottleneck resources.

Accepted Answer

A) True 
 B)False

Question 19

If the following jobs are sequenced according to the SLACK rule then job A would be completed on day (assume zero for today's date)

Accepted Answer

A) 8. 
B) 7. 
C) 15. 
D) 12. 
A) 8. 
B) 7. 
C) 15. 
D) 12.

Question 20

Increasing the capacity of a work center that is a bottleneck increases output.

Accepted Answer

A) True 
 B)False

Exam 24: Scheduling

The assignment method of linear programming can be used for both loading and employee scheduling.

Johnson's rule gives an optimal sequence for jobs processed serially through a two-step system.

A work package travels with a job to specify what work needs to be done at a particular work station and where the job goes next.

The following set of jobs must be processed serially through a two-step system.If Johnson's Rule is used to sequence the jobs then the order in which the jobs would be performed is

To maintain the synchronization required for theory of constraints,Goldratt introduced the concept of

What makes scheduling so difficult in a job shop?

The first-come,first-served (FCFS)sequencing rule should be only used when operating at high levels of capacity.

If the following jobs are sequenced according to the DDATE rule then the maximum job tardiness (in days)is (assume zero for today's date)

If the following jobs are sequenced according to the DDATE rule then the mean tardiness (in days)for all jobs is (assume zero for today's date)

If the following jobs are sequenced according to the LPT rule then the mean completion time (in days)for all jobs is (assume zero for today's date)

A manufacturing execution system is software that uses intelligent analytical tools and techniques to develop realistic schedules.

Managers typically use multiple objectives when constructing a schedule.

Tardiness is defined as the difference between a job's flow time and makespan.

If the following jobs are sequenced according to the SLACK rule then the mean completion time (in days)for all jobs is (assume zero for today's date)

Which of the following is not typically considered an objective of scheduling?

What is the difference between infinite scheduling and finite scheduling?

The theory of constraints (TOC)approach to scheduling concentrates on scheduling the bottleneck resources.

If the following jobs are sequenced according to the SLACK rule then job A would be completed on day (assume zero for today's date)

Increasing the capacity of a work center that is a bottleneck increases output.

Introduction to Operations and Supply Chain Management

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