CD Sectional Views & Auxiliary Views

Question 1

What is the primary purpose of a sectional view in technical drawing?

Accepted Answer

To reveal internal features that would otherwise be hidden

Answer

Sectional views cut through an object to expose interior features that would appear as confusing hidden lines in standard orthographic views.

Question 2

Which line type represents the cutting plane in a sectional view per ASME standards?

Accepted Answer

A thick alternating long-and-short dash line with arrows indicating the direction of sight

Answer

The cutting plane line is a thick line of alternating long and short dashes with arrowheads at the ends indicating the viewing direction into the section.

Question 3

In a full section view, how does the cutting plane pass through the object?

Accepted Answer

It passes completely through the object along one axis, exposing the full interior

Answer

A full section passes the cutting plane entirely through the object along one axis, typically along a center line, to expose the full interior cross-section.

Question 4

What is the standard angle for section lines (hatch lines) in a technical drawing per ASME convention?

Accepted Answer

45°

Answer

Per ASME standards, section lines are typically drawn at 45° to the horizontal unless the part's outline itself is at or near 45°, in which case a different angle is used.

Question 5

In a half-section view, what is shown on each side of the cutting plane line?

Accepted Answer

One half shows the sectioned interior and the other shows the unsectioned exterior

Answer

A half-section divides a symmetrical object along its center line, showing the interior (sectioned) on one side and the uncut exterior on the other.

(CD) Certified Drafter Practice Test

(CD) Certified Drafter Practice Test

CD Sectional Views & Auxiliary Views