CATIA V5 - QUESTIONS & ANSWERS

CATIA V5 - QUESTIONS & ANSWERS

1) Expand CATIAV5?
Computer Aided Three Dimensional Interactive Application.
2) What is the save extension of sketcher file?
CAT Part
3) Does CATIA V5 work on UNIX Platform?
Yes
4) Is it possible to increase the size of plane boundary representation & how?
Yes, go for Tools-Options- Infrastructure-Part structure-Display
5) Is It Possible to directly enter in to Sketcher Workbench?
No, it is not possible to enter in to sketcher workbench directly. We have to go to any other Workbench & from there we can enter the sketcher workbench..
6) Which is the tool used to exit from sketcher workbench to part design Workbench?
Exit Sketcher.
7) What is use of construction elements?
Construction elements assist in sketching the required profile in sketcher.
8) What are the default units of LMT (Length, Mass and Time)
mm, Kg, Second.
9) What is SKETCH TOOLS in sketcher work bench & Explain the Importantance of it?
SKETCH TOOLS in sketcher workbench are the commands, which find very use in creating sketches. SKETCH TOOLS are namely geometric and dimensional constraints, construction elements/standard elements and Grid option. They play very important role in sketching, whenever we want to constrain a sketch we use these options and if we want to convert any element into a construction element once again these options come into picture.

10) Is it possible to hide specification tree?
Yes, with help of F3 button, but the option in Tools command must be checked to
allow this.
11) What is SHOW/HIDE option?
Show mode enables us to see all the components presently opened and in Hide mode we can
hide the desired elements from the view for time being.
12) What is the use of Cut Part by Sketch Plane?
This task shows how to make some edges visible. In other words, we are going to
simplify the sketch plane by hiding the portion of the material that is not needed for
sketching.
13) How do you measure arc length?
We can measure arc length by using MEASURE ITEM command. Sometimes we need to
customize the option for arc length if it is not checked earlier using customization in
MEASURE ITEM command.
14) What is the meaning of true dimension?
True dimension is the dimension desired after machining. In other words, this is the
value that should be attained after machining.

15) What do you mean by ISO-Constraints?
If all of the degrees of freedom of geometry have been takes up by a consistent combination
of dimensions & fixed geometry. That geometry is said to be ISO-CONSTRAINED.
Geometry that still has some degrees of freedom is said to be UNDER constrained.
16) Mention the color code of ISO-constrained, under, and over constrained elements?
The color code for these elements is Green, White and Magenta respectively.
17) What for animated constraint command is used?
This task shows how constrained sketched element reacts when we decide to vary one
constraint.
18) How many dimensions are required to constrain the ellipse?
Three dimensions are required namely major axis, minor axis and the distance from the
origin.
19) What are different conic sections?
Ellipse, Hyperbola and Parabola
20) What is RHO value for ellipse, Parabola and hyperbola?
Parabola has RHO values of 0.5, Ellipse has RHO value between 0 & 0.5 and Hyperbola
has RHO value b/w 0.5 & 1.0.
21) What is NURBS?
Nurbs are the type of curves
22) How many types of Co-ordinate systems are there?
Three namely Cartesian, Polar and Spherical co-ordinate system.
23) What are project 3D silhouette edges?
Project 3D silhouette edges in sketcher will show how to create silhouette edges to be used
in geometry or reference elements.
24) What is use of sketch analysis?
To check whether the sketch is fully closed or not so that the sketch can be used or not so
that the sketch can be used for further operations in part design.
25) Where do we use axis?
Axis is used in creating shaft (revolved) feature.
26) Can we redefine the sketches?
Yes.
27) Can axis be converted into line or vice versa?
We can convert line into axis but axis cannot be converted into line.
28) How many axes can be created in a single sketch?
Only one axis can be created in a sketch, if more than one axis is drawn then only one of
them, the latest one, will be axis and others will be converted into reference elements.
29) How do we change, sketch’s reference plane?
Right click on the sketch whose reference plane is to be changed and select the change
reference plane and then select new reference.
30) What is the function of mirror command in sketch?
Mirror command in sketch will create a copy of the sketch about a reference plane.
31) If I do not want the relation b/w original and mirrored elements what should I do?
Explore and the relation b/w the original and mirror element doesn’t exist.
32) What is the use of isolate in sketcher workbench?
Isolated is used when 3D geometry is projected on to a sketch in order to be modified and
used as part of the sketch’s profile.
33) Can we select non-planar surface as sketch plane?
No, we cannot select a non-planar surface as sketch plane.
34) What are the different options available in quick trim command?
BREAK & RUBBER in removes part of the element, which is clicked.
BREAK & RUBBER out removes part of the element, which is not clicked.
BREAK & KEEP keeps both parts of elements after breaking.
35) What do CATIA P1, CATIA P2 AND CATIA P3 mean?
P1, P2 and P3 will indicate the different types of platforms of CATIA. Higher the number
sophisticated will be the software.
36) What is kernel?
The kernel is the basic indispensable part of an operating system that allocates resources
such as low-level hardware interfaces & security.
37) What is the kernel of CATIA?
CNEXT
38) Is it possible to directly enter the part design workbench, when we start the CATIA session, instead of assembly design workbench?
No, we cannot enter directly into the part design.
39) What is the importance of sketch tools?
This tool bar only appears when you are in sketcher workbench. The four tools found in
this tool bar are toggle tools. When tool is highlighted the tool is on. This particular tool
bar changes depending on what other sketcher workbench tool is currently selected.
40) How many degrees of freedom are there for points, lines, circles & ellipse in 2 dimensions?
Degree of freedom for points & ellipse is 2 for circles it is 3 & for ellipse it is 5 in two
dimensions.
41) What is the meaning of mean dimension?
Mean dimension is the dimension that should be mean of all the dimensions, which are
tolerance.
42) How many types of environment are available to start CATIA?
(1) From desktop (motif)
(2) From console (dterm)
43) What is hlr & nhr? What is their purpose?
Hlr = hidden line removal
Nhr = no hidden line removal
Their purpose to visualize the solids in diffent modes.
44) What are Master W/S and Detail W/S?
Each model can have one Maser Workspace, in which the model is created & manipulated. A model can have zero or more workspaces called detail workspaces. These are auxiliary workspaces, contain elements that are to be duplicated to several locations in the Master workspace. In addition, Detail workspace can also be organized into separate Library files using the LIBRARY FUNCTION. These can be shared with models to Allow Organizational standardization
PART DESIGN

1) Expand CAD/CAM/CAE/PDM/VPM/CFD
Computer Aided (Design/Manufacturing/Engineering). Product Life cycle Management/
Product Data Management/ Virtual Product Module/ Virtual Product data management/
Computational Fluid Dynamics.
2) Is it Possible to create pocket or groove as first features?
Yes, it is possible. (Body concept)
3) How to give tolerance to particular dimension?
First, give the dimension & using right click select ADD TOLERANCE from the contextual
menu & specify the tolerance.
4) What is use of creating datum?
Deactivates the link between parts.
5) Can you pad open & intersecting profile?
Possible for open profile with thin pad option. Not possible with intersecting profile.
6) Can I take portion of the one sketch for creating pad?
Yes, using the MULTIPAD option OR using simple PAD and in simple PAD select GOTO
PROFILE option.
7) What is DRAFTED FILLETTED POCKET?
It performs drafting, pocket & filleting simultaneously.
8) Can we use arc as axis for creating shaft feature?
No, we cannot use an arc as axis for creating shaft feature.
9) What kind of profile should be there for creating stiffener?
We can use Wire frame geometry or sub elements of a sketch. Profile may be open or
closed but condition is that closed profile’s extrusion must be normal to sketch.
10) Can we give two different angles for same face of solid by using draft option?
No, it is not possible to give 2 different angles for same face of solid by using draft option
but it is possible if we use “ADVANCED DRAFT”
11) What is power copy?
Power copy is a set of features that are grouped under to use in different context & having
the capability to adapt changes when pasted.
12) What is user feature creation (UFC)?
Create hybrid feature, intended to be stored in catalogues and can be instantiated later on.
13) What is the use of the option ‘Duplicate data in CATIA model’ in design table?
Check this box when you intend to reuse your document on an opening system different
from the one, which is used to create the design table.
14) Is it possible to add some more parameters to pre-existing design table?
Yes, we can add parameter to the exiting design table with of ASSOCIATE option.
15) What are the different options in PASTE SPECIAL?
As result: - In this option the copied feature having neither link nor the design specification
of the original one.
As result with link: - In this option the copied feature will be having link with the original
one but not the design specification of the original one.
As specified in part document: - In this option, the copied feature will be having both the
link and design specification of the original one.
16) It is possible to create negative body?
Yes, using INSERT menu & INSERT BODY option
17) What is use of REMOVE LUMP?
Removing of material that is not physically connected to any body.
18) What is Reframe on & center graph?
REFRAME: - Zooms on particular object selected CENTER GRAPH Bring the selected
features to the center screen in the specification tree.
19) What is the use of ‘REORDER’?
The capability of REORDER command allows us to rectify design mistakes by reordering
operation
20) What is the use of PULLING DIRECTION IN Rib option?
It sweeps the profile with respect to a specified direction. To select this direction, select a
plane or an edge.
21) How do I create a plane at angles to another plane?
Using the option Angle/normal to plane in PLANE command.
22) What are the different types of coupling modes there in loft?
Ratio, Vertices, Tangency discontinuity, curvature then tangency Discontinuity.
23) What is the significance of simplified representation in PATTERN?
With this you can make any object invisible.
24) How I can place the instances on both sides of original feature?
Using Row 1 & Row 2 options.
25) Is it possible to pattern the two or more features at a time?
Yes (by multi selecting the features & then selecting the pattern command)
26) What is meaning of ‘explode’ in pattern?
Deactivating the link b/w patterns & makes them as independent entities.
27) What are all the limitations of User Features Creations (UFC) as compared with the power copy?
1) In UFC datum’s cannot be used as inputs of the features.
2) Sub-elements cannot be used as inputs of the features. Ex. The face of a pad cannot be used as input.
3) When creating a user feature, it is not possible to edit (add/remove) inputs once you leave the DEFINITION Dialog tab. Click the CANCEL button and create the new user feature creation.

28) What is ‘Keep angle’ in rib & slot?
‘Keep angle’ option in ribs & slots lets us to keep angle value between the sketch planes used for the profile & the tangent of the center curve.
29) Which is the better option to split a solid: - a) surface b) plane c) face?
Plane is the best option to split solid.
30) Is it possible to split using the SEW operation?
Yes.
31) What is a FUNCTIONAL SURFACE?
A FUNCTIONAL SURFACE is the element that defines the face on a solid.
32) What is IUA? What is its purpose?
IUA= Interactive User Application Its purpose is to customize the CATIA user command.
33) What is use the of MERGE END option?
‘MERGE END’ option when checked, will limit the extrusion to the exiting material.
34) What is the use of LAW function?
The usage of law function involves the creation of geometry to control the exiting material.
35) What are solid primitives?
Solid primitives are the ready-made features available in a particular for use. One Just
needed to enter the dimensions & can have solid ready made. Example: - cylinder, cone,
sphere, etc…
36) What is ‘Reference surface’ option in ribs & slots?
It sweeps the profile while keeping the angle value between the axis & the reference
surfaces constant.
37) Example the significance of the options ‘from side’ & ‘from top’ in creating stiffeners?
From side: - The extrusion is performed in the profile’s plane & the thickness is added
normal to the plane.
From top: - The extrusion is performed normal to the profile’s plane & the thickness is
added in the profile plane.
38) What is ‘KEEP SPECIFICATION’ in pattern?
By checking this option we can have instances same as that of the original & any change
made in the original will be observed in the instances.
39) What is ‘Simplified representation’ in pattern?
By checking this we can make desired objects invisible just by clicking on them.