Top 100+ Computer Aided Design Interview Questions And Answers
Question 1. Define Cad?
Answer :
Computer aided design can be defined as any design that involves the powerful use of computers to create, adjust or file an engineering layout.
Question 2. What Is Cad System?
Answer :
The cad system includes primary additives; they're:
Computer Hardware:
It consists of picture workstations,
Graphic input devices like keyboard, mouse and so on.,
Graphic output gadgets like printer and plotters.
Computer Software:
It consists of operating gadget for primary operations,
Software package used for geometric modeling,
Application software program for design, evaluation and synthesis.
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Question 3. Hat Are The Elements Of Cad; (or) Various Phases Of Cad?
Answer :
The layout procedure in a CAD gadget consists of 4 tiers / stages, they're:
Geometric modeling
Design evaluation and optimization
Design review and assessment
Documentation and drafting.
Question four. What Is Drawing Entities?
Answer :
A drawing is created the usage of a no. Of entities. A huge no. Of alternatives are provided to attract the entities relying upon the necessities.
Common entities are:
Point,
Line,
Arc,
Ellipse
Circle,
Polygon,
Spline,
Rectangle, and so on.
Question 5. What Is Drawing Utilities?
Answer :
Drawing utilities encompass numerous features to have the advent and garage of drawings.
Common utilities are:
Screen size,
Line kind,
Scaling
Layers,
Grid,
Snap,
Units,
record utilities, etc.
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Question 6. What Are The Editing Commands In Cad?
Answer :
It is essential to make the corrections and changes to the entities of a drawing. Editing instructions are used for this process. A few enhancing instructions are indexed under,
Erase,
Move,
Array,
Fillet,
Chamfer
Mirror
Rotate,
Trim,
Copy
Scale, etc.
Question 7. What Is Geometric Modeling?
Answer :
Geometric modeling entails the use of a CAD gadget to expand a mathematical description of the geometry of an item.
The mathematical description, referred to as a geometrical model is contained in pc reminiscence. These operations include developing new geometric fashions from simple constructing blocks to be had within the gadget.
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Question eight. What Are The Geometric Modeling Techniques?
Answer :
These are diverse kinds of geometric models utilized in CAD:
Based on the dimensioning
Two dimensional modeling
Three dimensional modeling.
Based at the modeling
Wire body modeling
Surface modeling
Solid modeling.
Question nine. What Is 2d Vs 3d?
Answer :
2D models are excellent utilized for layout issues, including flat gadgets and layouts of building.
Three-D models are capable of modeling an object in three dimensional in keeping with user commands. This is useful in conceptualizing the object due to the fact that in real 3-D models can be displayed in various perspectives and shape one of a kind angles.
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Question 10. What Are The Advantages Of Cad?
Answer :
High productivity and decreased lead time.
Accuracy in design.
Better imperative over the whole challenge method.
Modifications in design distinctly clean.
Simulations of the pc generated version can reduce or do away with prototype testing.
Effective creation of producing documentation.
Optimized solution may be received.
Question 11. What Are The Various second Transformations?
Answer :
In laptop pics drawing are created by means of serious primitives who're represented by the coordinates in their give up factors.
Certain modifications in these drawings can be made by means of doing a little mathematical operations on these coordinates. The fundamental differences are Scaling, Rotation, translation, and so forth..
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Question 12. What Is Applications Cad Software Package?
Answer :
The CAD gadget is implemented, anyplace we need to draw, layout, and any facilities related to that.
Automated industries,
Manufacturing corporations,
Aerospace designs,
Civil engineering plans,
Electrical circuits, and many others..
AutoCAD Interview Questions
Question 13. What Is Cad Software Package?
Answer :
Auto CAD, CATIA, Iron CAD, Pro-E, Turbo CAD, Solid Edge, and so on..
Question 14. What Are The Advantages Of Wireframe Modeling?
Answer :
Simple to construct,
Designer desires little training.
It desires much less reminiscence space,
It takes less manipulation time,
It is excellent suitable for manipulation as orthographic, isometric and perspective perspectives.
Question 15. What Is B-rep – Boundary Representation?
Answer :
B-rep production consists of coming into all boundary part for all surfaces. This is similar or copying an engineering drawing into the pc, line through line, floor by using floor, with one important qualification. The traces must be entered and surfaces oriented in this kind of manner that they invent valid volumes.
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Question sixteen. What Is Csg – Constructive Solid Geometry?
Answer :
CSG method uses Boolean combos or primitives solids to construct a element. The Boolean operations are addition (+), subtraction (-), as illustrated in three dimensions.
Question 17. What Are The Advantages Of Solid Modeling?
Answer :
It is complete and unambiguous.
Suitable for automatic programs like developing element software with out lots human involvement.
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