NASCLA Commercial General Building Contractor Exam — All Questions
Alltopics.nascla_procurement_contractingtopics.nascla_general_requirementstopics.nascla_site_constructiontopics.nascla_concretetopics.nascla_metalstopics.nascla_mechanical_plumbingtopics.nascla_woodtopics.nascla_thermal_moisturetopics.nascla_finishestopics.nascla_masonrytopics.nascla_doors_windows_glazingtopics.nascla_electrical
1 questions
topics.nascla_wood
A framing plan calls for '2x4' studs. What is the actual dressed (surfaced) dimension of a nominal 2x4?
- a.Exactly 2 inches by 4 inches
- b.1-1/2 inches by 3-1/2 inches✓
- c.1 inch by 3 inches
- d.2-1/2 inches by 4-1/2 inches
A nominal 2x4 actually measures 1-1/2 inches by 3-1/2 inches after being surfaced (dressed). Nominal sizes are the rough-sawn dimension; estimators and framers must use the actual dimensions for layout, spacing, and material takeoffs.Nominal vs. actual lumber dimensions