CAD CAD Specialist Mechanical Design and Manufacturing

Question 1

In mechanical CAD, what does GD&T stand for?

Accepted Answer

Geometric Dimensioning and Tolerancing

Answer

General Drafting and Tolerancing

Answer

Graphic Design and Toolpathing

Answer

Grade Definition and Testing

Question 2

Which GD&T symbol represents 'flatness' on a mechanical drawing?

Accepted Answer

Two parallel horizontal lines

Answer

A circle with a center line

Answer

A parallelogram

Answer

A circle with a cross

Question 3

In Autodesk Inventor or SolidWorks, what is a 'mate' constraint used for when assembling parts?

Accepted Answer

Defining a geometric relationship that positions two parts relative to each other

Answer

Applying a material to a part

Answer

Generating a bill of materials

Answer

Creating a weld symbol

Question 4

What is a bill of materials (BOM) in the context of a mechanical CAD assembly drawing?

Accepted Answer

A structured list of all parts and components in an assembly with quantities

Answer

A list of required tools for machining

Answer

A schedule of manufacturing operations

Answer

A cost estimate for raw materials

Question 5

Which drawing view type in mechanical CAD shows the interior features of a part by cutting through it with a defined cutting plane?

Accepted Answer

Section view

Answer

Auxiliary view

Answer

Detail view

Answer

Isometric view

Question 6

In CAD-based manufacturing (CAM), what does the term 'toolpath' refer to?

Accepted Answer

The programmed trajectory a cutting tool follows to machine a part

Answer

The rack and pinion path of the CNC machine table

Answer

The path of a part through the assembly line

Answer

The route material travels from stock to finished part