Question 1

Scheduling optimization systems used in retail stores typically track customer traffic in 4-hour time increments.

Accepted Answer

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Question 2

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 B is divided into jobs B1 and B2,each with a body work time of 4.5 hours and a paint time of 2 hours.How much is makespan reduced by this splitting of B?

Accepted Answer

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Question 3

In services,the scheduling emphasis is usually on staffing levels,not materials.

Accepted Answer

In services, staffing levels are critical to ensuring that customers receive prompt and quality service. Materials are also important but typically play a secondary role in scheduling decisions.

Question 4

A recent advance in short-term scheduling that makes use of expert systems and simulation in solving dynamic scheduling problems is:
A)forward scheduling.
B)backward scheduling.
C)infinite scheduling.
D)finite capacity scheduling.
E)progressive scheduling.

Accepted Answer

The recent advance in short-term scheduling that makes use of expert systems and simulation in solving dynamic scheduling problems is finite capacity scheduling. It is a method that allows the scheduling of operations based on the capacity constraints of the resources involved. It uses expert systems and simulation to optimize and manage the finite capacity of the resources in the production process.

Question 5

Which of the following is TRUE regarding services scheduling?
A)The critical ratio sequencing rule is widely used for fairness to customers.
B)The emphasis is on staffing levels,not materials.
C)Reservations and appointments are often used to manipulate the supply of services.
D)Labor use can be intensive,and labor demand is usually stable.
E)All of the above are true.

Accepted Answer

Services scheduling places emphasis on staffing levels rather than materials, as services are typically labor-intensive. While the critical ratio sequencing rule may be used for scheduling in some cases, it is not a widely accepted or universally applicable rule. Reservations and appointments are commonly used in service industries, but these are more accurately seen as ways of managing customer demand rather than manipulating service supply. Labor demand may be stable in some service industries, but this is not always the case. Therefore, the only true statement regarding service scheduling is that the emphasis is on staffing levels.

Question 6

Which of the following is NOT tracked by scheduling optimization systems used in retail stores?
A)cars parked in the parking lot
B)individual store sales
C)transactions
D)units sold
E)customer traffic

Accepted Answer

Scheduling optimization systems used in retail stores are focused on optimizing the workforce and increasing efficiency in the store. Therefore, they do not track cars parked in the parking lot as it is not relevant to scheduling and workforce optimization. Instead, they track individual store sales, transactions, units sold, and customer traffic to determine workforce needs and increase productivity.

Question 7

In manufacturing scheduling,physical inventories of goods can buffer variations in demand,but service scheduling normally lacks that buffer because services are generally consumed at the same time they are delivered.

Accepted Answer

Physical inventories of goods can act as a buffer in manufacturing scheduling, but services are consumed at the same time they are delivered, so there is no possibility of using inventory as a buffer in service scheduling.

Question 8

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?

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Question 9

Complete the table;find average lateness,average completion time,and average number of jobs in the system.Assume all durations are in days and that the jobs are processed at the shop in the order that they arrive (A then B then C then D).

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Question 10

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

Labor is a complex factor in service scheduling, as it is affected by a variety of factors such as behavioral and social issues, wage and hour laws, and union contracts. These factors can complicate the scheduling process and make it more difficult to plan for and allocate resources effectively.

Question 11

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

Accepted Answer

Finite capacity scheduling (FCS) uses graphical interactive computing to provide the user with a visual representation of the production schedule, its constraints, and its various scenarios. This is in contrast to rule-based scheduling, which typically relies on a predefined set of rules and heuristics to generate the schedule. FCS's graphical interface allows users to quickly and easily modify the schedule and experiment with different what-if scenarios.

Question 12

In what five ways does the problem of scheduling service systems differ from that of scheduling manufacturing systems?

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Question 13

Identify some scheduling optimization systems that are used at retail stores.Describe what these systems do.

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Question 14

What is finite capacity scheduling (FCS)?

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Question 15

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

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Question 16

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