National Aerospace Laboratories Graduate Apprentice Trainee Interview Questions and Answers

AutoCAD DXF stands for AutoCAD Drawing Exchange Format.

• DXF is a file format used for exchanging CAD data between different software programs.

• It was developed by Autodesk, the creators of AutoCAD.

• DXF files can contain 2D and 3D drawings, as well as text and other information.

• DXF files can be opened and edited in many different CAD software programs.

• DXF files have the file extension .dxf.

Strength of material refers to the ability of a material to withstand external forces without breaking or deforming.

• It is an important concept in engineering and physics

• It is measured in terms of stress and strain

• Factors that affect strength of material include temperature, pressure, and composition

• Examples of materials with high strength include steel and titanium

• Testing methods for strength of material include tensil

Isometric view is a 3D representation of an object with equal dimensions along three axes.

• Isometric view shows the object from a fixed angle, usually 45 degrees.

• All three dimensions of the object are shown in equal measure.

• It is commonly used in engineering and architecture for technical drawings.

• Isometric view is different from perspective view, which shows objects with foreshortening.

• Examples of isometric view can be...read more