Exam 25: Operations Scheduling

Table J.12 The Feast Janice prepares a medley of pastas for her brother Tony.Each of the pastas must first be rolled and then formed (or in some cases stuffed)before cooking.The required time on each machine in minutes is indicated in the table. -Janice decides to minimize the average flow time of the pastas using Johnson's rule.Which pasta occupies the middle position of her schedule?

Table J.18 -Use the information Table J.18 and sequence the jobs using the SPT rule.What is the average past due?

Critical ratio (CR)is a single-dimension priority rule.

Table J.1 The framing department has six jobs waiting to be processed.It is now time zero.Times are expressed in terms of days. -Using the information in Table J.1 and the SPT rule,what is the average flow time?

________ is the total amount of time required to complete a group of jobs.

Describe the difference between front office and back office operations from the standpoint of scheduling customer jobs.

Table J.6 All of the following three jobs just arrived (end of hour 0)at Workstation A.They are the only ones waiting to be processed. -Use the information in Table J.6.What is the average past due time at Workstation A for the critical ratio rule?

Table J.1 The framing department has six jobs waiting to be processed.It is now time zero.Times are expressed in terms of days. -Using the information in Table J.1 and the EDD rule,what is the average flow time?

Use the information in the table and sequence the six jobs using the slack per remaining operation algorithm.Calculate the average flow times and average lateness.All jobs arrived at time zero and are ready at time zero.

Acme has an overabundance of machinery available,but most of the workforce has called in sick after the local team's devastating loss on Monday Night Football.This scheduling problem is a labor-limited environment.

A(n)________ specializes in low- to medium-volume production using job or batch processes.

Operations scheduling applies only to manufacturing,because services do not allow inventories.

The earliest due date (EDD)rule gives the job with the shortest processing time the highest priority.

Use the information in the table and sequence the six jobs using the critical ratio algorithm.Calculate the average flow times and average lateness.All jobs arrived at time zero and are ready at time zero.

Table J.11 Work center Q45 has four jobs that just arrived (the start of Day 1)to be processed,as shown in the following table.Assume the shop works eight hours per day. -Using the information in Table J.11 and the shortest processing time (SPT)rule,what should be the sequence of jobs processed at Q45?

Which of the following statements on an operations schedule is BEST?

Table J.9 There are three jobs available for processing at Workstation 1.They just arrived at Workstation 1,at the end of Day 0. -Using the information in Table J.9 and the critical ratio rule,what should be the sequence of jobs processed at Workstation 1?

Use the information in the table and sequence the six jobs using SPT and EDD.Calculate the average flow times and average lateness.All jobs arrived at time zero and are ready at time zero.

Table J.1 The framing department has six jobs waiting to be processed.It is now time zero.Times are expressed in terms of days. -Using the information in Table J.1 and the EDD rule,what is the average early time?

Table J.18 -Use the information in Table J.18 and sequence the jobs using the EDD rule.What is the average flow time?