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

The W designation indicates a wide-flange shape; W12×50 means the nominal depth is approximately 12 inches and the weight is 50 pounds per linear foot.

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

A section view reveals internal features by showing a cross-section of the part as if it were cut by an imaginary plane.

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 filled triangle (fillet weld symbol) placed below the reference line means the fillet weld is to be placed on the arrow side of the joint.

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

TYP stands for 'typical' and indicates that the noted dimension or detail applies to all identical or similar features on the drawing.

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

A detail drawing fully describes a single part with all dimensions, tolerances, materials, and notes required to manufacture that part.

(CDT) Certified Drafting Technician Practice Test

(CDT) Certified Drafting Technician Practice Test

CDT CDT Structural & Mechanical Drafting