CDT CDT Structural & Mechanical Drafting

Question 1

In structural steel drafting, what does the designation W12×50 indicate?

Accepted Answer

A wide-flange beam approximately 12 inches deep weighing 50 pounds per linear foot

Answer

A 12-foot length weighing 50 pounds total

Answer

A 12-inch web with 50-inch flanges

Answer

A wall thickness of 12 mm at 50 ksi yield

Question 2

Which view in a mechanical assembly drawing shows internal features by imagining a cutting plane through the part?

Accepted Answer

Section view

Answer

Auxiliary view

Answer

Detail view

Answer

Isometric view

Question 3

A welding symbol with a filled triangle below the reference line indicates:

Accepted Answer

A fillet weld on the arrow side

Answer

A groove weld on the arrow side

Answer

A plug weld

Answer

A spot weld

Question 4

In US structural drafting, what does the abbreviation 'TYP' mean when placed next to a dimension?

Accepted Answer

Typical — applies to all similar features

Answer

Temperature yield point

Answer

Tolerance yield parameter

Answer

Top yield priority

Question 5

What is the purpose of a detail drawing in mechanical drafting?

Accepted Answer

To provide manufacturing information for a single individual part

Answer

To show the complete assembly of all parts

Answer

To illustrate the overall project scope

Answer

To list all bill of materials items

Question 6

In a structural drawing, a dashed hidden line represents:

Accepted Answer

An edge or feature that is not visible in the current view

Answer

A centerline of a symmetrical feature

Answer

A section cut line

Answer

A reference dimension