Question 1

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 2

There are 5 jobs (A, B, C, D,
E) that need to be completed in a work center. The due dates are the 10th, 13th, 9th, 20th, and 15th respectively with process times of 7, 12, 7, 20, and 10 respectively as well. If today is the 1st of the month calculate the critical ratio for each and use this value to sequence the jobs in the order they should be started.

Accepted Answer

A = (10 - 1)/7 = 1.29
B = (13

Question 3

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 4

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

Question 5

What is the assignment method?

Accepted Answer

The assignment method is a spe

Question 6

Three jobs are to be assigned to three machines. Cost for each job-machine combination appears in the table below. Perform the first two steps of the assignment method (subtract the smallest number in each row and subtract the smallest number in each column; then cover with straight lines). At this point in the problem-solving process:

Accepted Answer

A)  the row for Job 1 contains the values 5, 6, and 0. 
B)  calculations are complete, and the problem is ready for an optimal set of assignments. 
C)  the column for Machine B indicates that it should be retired. 
D)  Job 1 should be performed on Machine B. 
E)  Job 1 should be performed on Machine A. 
A)  the row for Job 1 contains the values 5, 6, and 0. 
B)  calculations are complete, and the problem is ready for an optimal set of assignments. 
C)  the column for Machine B indicates that it should be retired. 
D)  Job 1 should be performed on Machine B. 
E)  Job 1 should be performed on Machine A.

Question 7

What makes short-term scheduling of strategic importance?

Accepted Answer

1. Internally effective scheduling means

Question 8

Three jobs are to be assigned to three machines. Profits for each job-machine combination appear in the table below. Find the total profit using the assignment method.

Accepted Answer

A)  28 
B)  40 
C)  36 
D)  39 
E)  41 
A)  28 
B)  40 
C)  36 
D)  39 
E)  41

Question 9

Average completion time for a schedule sequence at a work center is the ratio of:

Accepted Answer

A)  total processing time to the number of jobs. 
B)  total flow time to total processing time. 
C)  total flow time to the number of jobs. 
D)  total processing time plus total late time to the number of jobs. 
E)  total flow time plus total late time to the number of jobs. 
A)  total processing time to the number of jobs. 
B)  total flow time to total processing time. 
C)  total flow time to the number of jobs. 
D)  total processing time plus total late time to the number of jobs. 
E)  total flow time plus total late time to the number of jobs.

Question 10

Given the table below, find the sequence for the following priority rules:
(a) SPT
(b) EDD
(c) LPT

Accepted Answer

(a) ADBC
(

Question 11

Flow time represents the time:

Accepted Answer

A)  an order spends waiting for processing at a work center. 
B)  an order spends being processed at a work center. 
C)  an order spends moving from one work center to another. 
D)  to complete an order, including time spent in processing and in waiting. 
E)  none of the these 
A)  an order spends waiting for processing at a work center. 
B)  an order spends being processed at a work center. 
C)  an order spends moving from one work center to another. 
D)  to complete an order, including time spent in processing and in waiting. 
E)  none of the these

Question 12

Process-focused facilities and repetitive facilities generate forward-looking schedules, but process-focused facilities do this with JIT and kanban while repetitive facilities generally use MRP.

Accepted Answer

A) True 
 B)False

Question 13

Techniques that load work without regard for the capacity of the process are:

Accepted Answer

A)  aggregate planning. 
B)  backward scheduling. 
C)  forward scheduling. 
D)  finite loading. 
E)  infinite loading. 
A)  aggregate planning. 
B)  backward scheduling. 
C)  forward scheduling. 
D)  finite loading. 
E)  infinite loading.

Question 14

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 15

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

Question 16

The following jobs are waiting to be processed at your work center, which cleans valve body castings. Job numbers are assigned sequentially upon arrival in the facility (a missing number means that job does not require your work center). All dates are specified as days from today.
   (a) In what sequence should the jobs be processed according to the FCFS scheduling rule?
(b) In what sequence should the jobs be processed according to the EDD scheduling rule?
(c) In what sequence should the jobs be processed according to the SPT scheduling rule?
(d) In what sequence should the jobs be processed according to the LPT scheduling rule?
(e) In what sequence should the jobs be processed according to the critical ratio scheduling rule?

Accepted Answer

FCFS: 101, 102, 104, 107, 108

Question 17

________ are planning charts used to schedule resources and allocate time.

Accepted Answer

The answer of ________ are planning charts used to schedule...

Question 18

What is the primary disadvantage of the shortest processing time dispatch rule? Is this a problem if there can be no new jobs arriving after the sequence is set?

Accepted Answer

As new jobs arrive, new short-

Question 19

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

Question 20

One criterion for developing effective schedules is maximizing completion time.

Accepted Answer

A) True 
 B)False

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

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

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.

What is the assignment method?

What makes short-term scheduling of strategic importance?

Three jobs are to be assigned to three machines. Profits for each job-machine combination appear in the table below. Find the total profit using the assignment method.

Average completion time for a schedule sequence at a work center is the ratio of:

Given the table below, find the sequence for the following priority rules: (a) SPT (b) EDD (c) LPT

Flow time represents the time:

Process-focused facilities and repetitive facilities generate forward-looking schedules, but process-focused facilities do this with JIT and kanban while repetitive facilities generally use MRP.

Techniques that load work without regard for the capacity of the process are:

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

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

________ are planning charts used to schedule resources and allocate time.

What is the primary disadvantage of the shortest processing time dispatch rule? Is this a problem if there can be no new jobs arriving after the sequence is set?

One criterion for developing effective schedules is maximizing completion time.

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Process Strategies

Location Strategies

Human Resources, Job Design, and Work Measurement

Supply Chain Management

Inventory Management

Aggregate Planning and Sop

Material Requirements Planning Mrp and Erp

Lean Operations

Maintenance and Reliability

Decision-Making Tools

Linear Programming

Transportation Models

Waiting-Line Models

Learning Curves

Simulation

Applying Analytics to Big Data in Operations Management

Filters

Exam 14: Short-Term Scheduling

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

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

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.

What is the assignment method?

What makes short-term scheduling of strategic importance?

Three jobs are to be assigned to three machines. Profits for each job-machine combination appear in the table below. Find the total profit using the assignment method.

Average completion time for a schedule sequence at a work center is the ratio of:

Given the table below, find the sequence for the following priority rules: (a) SPT (b) EDD (c) LPT

Flow time represents the time:

Process-focused facilities and repetitive facilities generate forward-looking schedules, but process-focused facilities do this with JIT and kanban while repetitive facilities generally use MRP.

Techniques that load work without regard for the capacity of the process are:

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

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

________ are planning charts used to schedule resources and allocate time.

What is the primary disadvantage of the shortest processing time dispatch rule? Is this a problem if there can be no new jobs arriving after the sequence is set?

One criterion for developing effective schedules is maximizing completion time.

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Process Strategies

Location Strategies

Human Resources, Job Design, and Work Measurement

Supply Chain Management

Inventory Management

Aggregate Planning and Sop

Material Requirements Planning Mrp and Erp

Lean Operations

Maintenance and Reliability

Decision-Making Tools

Linear Programming

Transportation Models

Waiting-Line Models

Learning Curves

Simulation

Applying Analytics to Big Data in Operations Management

Filters