NCCER Core Construction Drawings & Communication Skills 3

Question 1

What do contour lines represent on a site plan?

Accepted Answer

Elevation changes and terrain

Answer

Contour lines represent points of equal elevation, showing terrain and topography.

Question 2

In blueprint reading, what does 'O.C.' mean?

Accepted Answer

On center

Answer

O.C. stands for 'on center,' the measurement from the center of one member to the next.

Question 3

What is the purpose of a detail drawing?

Accepted Answer

To provide an enlarged view of a specific construction assembly

Answer

Detail drawings provide enlarged views of specific assemblies that cannot be shown clearly at the main drawing scale.

Question 4

Which drawing shows the locations of footings and foundation walls?

Accepted Answer

Foundation plan

Answer

The foundation plan shows footings, foundation walls, piers, and other below-grade structural elements.

Question 5

What is the correct way to handle a conflict between written specifications and the drawings?

Accepted Answer

Submit an RFI to resolve the conflict

Answer

When specs and drawings conflict, submit an RFI to get official clarification before proceeding.

NCCER Core - National Center for Construction Education and Research Core Certification Practice Test