Plant Simulation Exam Study Guide
1
Which of these steps is NOT included in the preparation phase of a simulation study?
Evaluate results
Simulations in Plant Simulation show …
State changes of the model components at certain points of time
Which window contains a list of all the objects in your model file?
Class Library
NO HAY
Commands can be accessed from all of the following places except…
The lower panel
Which user interface window is used to display important messages that occur during a simulation?
Console
No hay
Extra Discrete Event-Oriented Simulation
Time may go by slowly at certain points, can be used in plant, shows the state change
2
When blocking is selected on the exit strategy tab, …
The station remained blocked
Failed objects are shown with which color?
Red
Which of these is a basic process flow analysis tool?
Sankey diagram
When there is more than one object connected after an object, …
The first path takes all the material until it overflows to the second path
Starved objects are shown with which color?
No color
Custom objects to be added to the class library …
Can be made from a frame or from a single object such a station
In one of the first labs of this chapter, you experimented by adding a second faster milling machine to fix a bottleneck. If the slower machine produces more parts than the faster one, …
Something is wrong with how the upstream station is allocating parts to the milling machines
When arrows are used to connect model objects, they present ….
Material flow
Which of these is a quick way to transfer a class object from one model file to another?
Save and load an OBJ file
Which object names are acceptable in Plant Simulation?
My_Station1
Every model is created within ….
A frame
The first step of the preparation phase of a simulation project is to…
Define the problem and target
The chart object ….
Can be configured based on the object dragged and dropped on it
The event controller can play a simulation based on ….
Events or time
Which of these is not a type of built-in MU?
Forklift
To move an object to another folder in the class library…
Drag and drop it on the folder with the Shift key depressed
Plant Simulation’s basic building blocks for facility layout are…
Material flow objects
Blocked objects are shown with which color?
Yellow
On the bottleneck analyzer charts, grey represents the … portion.
Starved
Hierarchy describes which aspect of a Plant Simulation model?
The nesting of model frames in multiple levels
The exit strategy does all of these except…
Determines which predecessor will be used
Which of these is a way to copy a frame in the class library?
Right click the frame and select duplicate
By default, all material flow objects gather ….
Statistics
Working objects are shown with which color?
Green
Extra Basic Objects in Plant Simulation
Part, source, drain, station, connector, eventcontroller
3
In the 3D window you can do all of the following except…
View external graphics of the open frame
A stochastic simulation allows for which of these scenarios?
Random failure intervals produce different daily throughput
Why would you want to configure more than one failure profile for a single material flow object?
To represent different failure modes
When graphically navigating a hierarchy of frames and objects, double clicking a visible frame …
Opens that frame in the current 3D window
Which of the following objects is not a point oriented material flow object?
Parallel station
An absolute path always begins at the …
Class library
To display the currently visible frame or object in the context of its parent frame in the hierarchy, right click it and use the … option.
Open location
Which of the following is not a method to model failures for a Plant Simulation object?
Trigger an error using custom logic
Which of these is a difference between stations and buffers?
By default buffers have a capacity greater than one MU, while stations do not
If all instances of a class and its subclasses require an attribute change, you should …
Make the change to the origin class
When a material flow object is placed directly onto a connector, …
The connector converts to two connectors attached to the object
If an object is referenced with a relative path, the path starts with …
An object or frame in the current name space
The data fit function is used to …
Determine which type of graph fit best shows the plants productivity results
A sorter is used so that the process can …
Prioritize one MU over another
To create a subclass of an item in the class library, right click the item and …
Use the derive option
When graphically navigating a hierarchy of frames and objects, the backspace key will …
Show the next highest level of the hierarchy
To pass an MU to a subframe, it is recommended to use …
An input buffer
A subclass item is different from a class item in which way?
It inherits attributes from its origin class
The 3D representation for a buffer provided with Plant Simulation ….
May be customized
4
Each new segment of a conveyor is … the previous segment.
Level with
Which of these statements about shift calendars and workers is most correct?
The shift calendar can optionally identify the vacation schedule of individual workers
To reuse a data table in different model frames, it is recommended to …
Put the table in the class library
An exporter represents …
A group of workers with the same skill set
If footpaths are not provided for workers, then …
The worker pool should use a different travel mode
Which of these would be an active MU?
Transporter
For each service required at a station, you can provide … for a worker.
A workplace
When creating a conveyor, the creation mode is active until you select …
Finish
Which attributes determine capacity for a non-accumulating conveyor?
Length and pitch
The simulation steps are listed in detail when the simulation is run from …
The event debugger
What user action causes a new segment to be added to a conveyor under construction?
Click in the 3D window
In order for a source to supply various MUs, it should specify …
A data table
The PickAndPlace object moves the MU to which position?
The position of the target station connected to the PickAndPlace
Which is true regarding the “Show Attributes and Methods” dialog box vs the “Object” dialog box?
Only the show attributes and methods displays every…. O the filters
Certain types of mobile units (MUs) have a capacity, which means …
They can carry or contain other MUs
A shift calendar can cause the simulation to fail if …
Multiple shifts work at the same time
In an assembly operation, some MUs can be mounted to another base MU if …
The base MU is a container type
Setup time is different than processing time in which of these ways?
It represents a per shift time rather than a per operation time
5
What of these is not an option to view energy statistics?
Select object in the frame, right click and select energy statistics
Dimensions in the 3D window …
Drive the placement of object in the frame
What is true about point clouds?
Point clouds cannot share a graphics group with any other graphic….
When a time sequence object is in watch mode, it will record the specified object parameter …
At a constant time interval o when predetermined
An experiment’s output values are …
Object parameter values at the end of the simulation
To hide an object in the 3D window ….
Turn off its “create in 3D” parameter
NO HAY
You might import a CAD drawing as a background in order to ….
Help place stations and objects more realistically
The ExperimentManager is used to …
Apply several “what if”
To reset the data in the time sequence object, you need to use …
The reset simulation button
The bottleneck analyzer displays …
3D color indicators
Internal background graphics such as textured plates or point clouds can …
Increase the realism
What is the result that the cost analyzer provide?
The cost assigned to one station during the simulation
A transfer station object may sometimes be used instead of the preferred … object.
Pick and place
6
The anonymous identifier “self” returns what value?
The name of the object
NO HAY
NO HAY
To assign a value to an attribute in a method, use this symbol.
:=
Random distributions can be created with any of these methods except…
Using the EventController
You might want to export a data table to an external file in order to …
Use the data in another application
Which of these is not something a method can do?
Change the model from 3D to 2D
ExperimentManager is used to …
“what if”
NO HAY
When specifying objects in a method, it might be preferable to use relative path names over absolute path names in order to …
Make the method more re-usable
A helpful analogy for entrance or exit control methods is …
A photoelectric
If a boolean expression returns a true value when 2 numbers are compared as -= (approximately equal). Then …
The number are within the coincident point tolerance
To help get the structure and syntax correct for program loop, you can …
Use a template
A method can be addressed a data table by its position, using (a,b) where …
A is the column number
Data in a DataTable can be written to all of these external document types except…
Word
The statistical values of all objects, material flow objects, as well as moving objects is provided by the …
Complete statistics table
Average life-span (abgLT) is the average amount of time a MU …
Stayed in the manufacturing system
DataStack and DataQueue are …
First in first out
Methods in Plant Simulation use which programming language?
SimTalk
Which of these is a valid operators in Plant Simulation?
=
Which of these is true regarding object oriented programming objects?
Object in a subclass
The switch statement is a cleaner replacement for …
Lengthy if else if
A truck contains 6 boxes, each containing 2 tables with 4 legs. To specify the tables in a method, you could use which of these?
Track.cont.cont.cont
To access the contents of an object such as a material handling station or a container object, use …
The cont method
7
Camera animations can be defined for a frame on its … dialog.
Edit 3D properties
The camera marks provide …
Named views you can easily return to
Which of these is not an available way to define the view direction for an camera animation?
Look towards a position
In order to manipulate the graphical components of an object, including their organizational arrangement, use the … dialog.
Show graphic structure
When customizing an object, which of these is not a potential source for new graphic contents?
Parasolid file
Plant Simulation provides additional 3D objects, not loaded in the model by default, that you can load from ….
External vendor catalogs
The graphical nodes displayed in a structure can be used to …
Resize
All of these are necessary steps before animating an object except…
Create an MU animation path
During simulation when a portion of a object such as the forks of a fork lift move, this is called…
Animatable object
The object and its various graphic nodes all have their own 3D properties, however ….
The available properties
On an object’s “Edit 3D Properties” dialog you can specify its MU animation, which will …
Designate where MUs appear
When you want to change the overall color object you should change the…
Diffuse color
If MU animations are unselected (hidden) from the view ribbon, then …
Simulation time is much faster
A control that can be double clicked to make it perform a function is called …
An open control
The method “_3d.getGraphic” is used to…
Select a graphic
Which of these settings will cause a worker to carry an MU between stations?
Specify an exit strategy
To see what the worker does, …
Attach a camera to the worker
Changing the diffuse color on the Appearance tab changes the ….
Worker shirt color
To understand how the workers are traveling around the Plant, use ….
A Sankey diagram
Extra: A camera mark is a picture of the 3D window.
False
Extra: Camera marks can be moved.
True
Extra: You can create and modify camera marks.
True