Floor systems of commercial buildings are of two types; one type, an ____, is usually made of wooden joists, girders, and planks
A) on-mark floor system
B) on-grade floor system
C) off-grade floor system
D) off-mark floor system

Question

Quizplus · Accepted Answer

An off-grade floor system is typically elevated and constructed using wooden joists, girders, and planks, distinguishing it from on-grade systems that are built directly on the ground.

Floor Systems of Commercial Buildings Are of Two Types; One