CADD MODELLING Round - 1

In today’s time the product life cycle has become

• Long 

• Short

• Indifferent

• None of these

 _______ method proves to be efficient in the scan-conversion of straight lines.

• Raster Algorithm

• DDA Algorithm

• Bresenham’s line algorithm

• Frame Algorithm

Which of the following uses the vertices as control points for approximating the generated curve?

• B-Splines

• Bezier curves

• Wireframe modeling

• None of these

The number of tangents required to describe cubic spline is

• 0

• 1

• 2

• 3

Surface modeling system contains definition of

• Surfaces

• Vertices

• Edges

• All of these

Product design is mainly?

• Bottom-down approach

• Top-down approach

• Face-down approach

• Subassembly approach

Which of the following is a file extension used for an AutoCAD file?

• .dwg

• .stl

• .prt

• .asm

A graphics method in which one object is transformed into another

• Animation

• Morphing

• Designing

• Graphics art

GIF means

• Graphic Information

• File Graphic Information

• Format Graphic Interchange

• Format Graphic Interchange File

Simplify the scale factor of viewport transformation for x coordinate.

• Sx = (svmax – svmin)/ (swmax – swmin)  

• Sx = (svmax – svmin)/ (swmax + swmin)

• Sx = (svmin – svmax)/ (swmax – swmin)  

• Sx = (svmax + svmin)/ (swmax – swmin)