Question 1

Needing the actual time of arrival and actual time of serving relates best with

Accepted Answer

A) Fixed-time-incremental simulation 
B) Next-event simulation 
C) Random numbers 
D) Queuing formula 
A) Fixed-time-incremental simulation 
B) Next-event simulation 
C) Random numbers 
D) Queuing formula

Question 2

A simulator is a general purpose simulation model.

Accepted Answer

A) True 
 B)False

Question 3

Simulation language ProcessModel contains all of the following except

Accepted Answer

A) Objects 
B) Connections 
C) Action logic 
D) Simulators 
A) Objects 
B) Connections 
C) Action logic 
D) Simulators

Question 4

Which of the following is not an advantage of simulation?

Accepted Answer

A) Convenient experimental laboratory 
B) Can perform 'what-if' studies 
C) Don't have to disturb current process 
D) Yields optimal solution 
A) Convenient experimental laboratory 
B) Can perform 'what-if' studies 
C) Don't have to disturb current process 
D) Yields optimal solution

Question 5

Explain the major differences between a fixed-time and a next-event simulation model. Include advantages and disadvantages of each.

Accepted Answer

A simulation model that increments time

Question 6

In general, as the number of probabilistic components of a system increases, the more likely it is that simulation will be the best analysis approach.

Accepted Answer

A) True 
 B)False

Question 7

A computer implementation free from logical errors and bugs refers to

Accepted Answer

A) Verification 
B) Validation 
C) Simulation 
D) ProcessModel 
A) Verification 
B) Validation 
C) Simulation 
D) ProcessModel

Question 8

____ trace the detailed logic or actions that occur in the system in a step-by-step fashion over time.

Accepted Answer

A) Validations 
B) Verifications 
C) System simulation models 
D) Entities 
A) Validations 
B) Verifications 
C) System simulation models 
D) Entities

Question 9

Discuss three advantages and three disadvantages of simulation models.

Accepted Answer

The many advantages of simulation models

Question 10

Face validity involves asking people familiar with the real system to evaluate the assumptions and logic of a model.

Accepted Answer

A) True 
 B)False

Question 11

Discuss a simulator. How does it differ from simulation software such as ProcessModel?

Accepted Answer

A simulator is a simulation model that h

Question 12

Which is correct regarding a simulation model for inventory management?

Accepted Answer

A) Only demand can vary 
B) The goal is to minimize waiting time 
C) Looks at a combination of order quantity and reorder point 
D) Does not allow backorders of stockouts 
A) Only demand can vary 
B) The goal is to minimize waiting time 
C) Looks at a combination of order quantity and reorder point 
D) Does not allow backorders of stockouts

Question 13

Define simulation and give some operations management examples.

Accepted Answer

Simulation is the process of developing

Question 14

It doesn't make sense to use simulation for waiting-line problems since queuing models give optimal solutions.

Accepted Answer

A) True 
 B)False

Question 15

All of the following are disadvantages of simulation except

Accepted Answer

A) Limited application 
B) Difficulty of collecting the appropriate input data 
C) Selecting the correct probability distribution 
D) The accuracy of outputs 
A) Limited application 
B) Difficulty of collecting the appropriate input data 
C) Selecting the correct probability distribution 
D) The accuracy of outputs

Question 16

Differentiate and explain the importance of verification and validation.

Accepted Answer

Verification refers to the process of de

Question 17

Spreadsheets are extremely strong in their ability to conduct dynamic simulation analysis.

Accepted Answer

A) True 
 B)False

Question 18

A lumber company sells 8?foot 2x4's to construction companies in three states. They have historical sales demand in thousands) for the past 26 weeks, as shown below:
 $\begin{array}{ccc}
\text { Historical } & \text { Number of } & \text { Relative }\
\underline{\text { Sales } \$ 000 )} &\underline{\text {Weeks Sold }} &\underline{\text { Frequency }}\
5-10 & 5 & .19 \
11-20 & 7 & .27 \
21-30 & 8 & .31 \
31-40 & 6 & 23
\end{array}$ 
They are interested in determining the average number of sales per category for the next five weeks using simulation. They generated the following random numbers for weeks 1?5 respectively: 63, 13, 67, 50, and 71. 
a. Based on a scale of 0-99, what random number range should be allocated to sales category of 11-20?
b. What is the average sales corresponding to week 2?
c. What is the average sales over all five weeks?

Accepted Answer

a. \[\begin{array} { c c } 
 \underline{

Question 19

Using two-digit random numbers, the interval 55 - 79 represents what probability?

Accepted Answer

A) 0.55 to 0.79 
B) 0.25 
C) 0.24 
D) 0.67 
A) 0.55 to 0.79 
B) 0.25 
C) 0.24 
D) 0.67

Exam 22: Simulation

Needing the actual time of arrival and actual time of serving relates best with

A simulator is a general purpose simulation model.

Simulation language ProcessModel contains all of the following except

Which of the following is not an advantage of simulation?

Explain the major differences between a fixed-time and a next-event simulation model. Include advantages and disadvantages of each.

In general, as the number of probabilistic components of a system increases, the more likely it is that simulation will be the best analysis approach.

A computer implementation free from logical errors and bugs refers to

____ trace the detailed logic or actions that occur in the system in a step-by-step fashion over time.

Discuss three advantages and three disadvantages of simulation models.

Face validity involves asking people familiar with the real system to evaluate the assumptions and logic of a model.

Discuss a simulator. How does it differ from simulation software such as ProcessModel?

Which is correct regarding a simulation model for inventory management?

Define simulation and give some operations management examples.

It doesn't make sense to use simulation for waiting-line problems since queuing models give optimal solutions.

All of the following are disadvantages of simulation except

Differentiate and explain the importance of verification and validation.

Spreadsheets are extremely strong in their ability to conduct dynamic simulation analysis.

Using two-digit random numbers, the interval 55 - 79 represents what probability?

Goods, Services, and Operations Management

Value Chains

Measuring Performance in Operations

Operations Strategy

Technology and Operations Management

Goods and Service Design

Process Selection, Design, and Analysis

Facility and Work Design

Supply Chain Design

Capacity Management

Forecasting and Demand Planning

Managing Inventories

Resource Management

Operations Scheduling and Sequencing

Quality Management

Quality Control and Spc

Lean Operating Systems

Project Management

Work Measurement, Learning Curves, and Standards

Queuing Analysis

Modeling Using Linear Programming

Work Measurement, Learning Curves, and Standards

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