Straight sections, elbows, tees, and ________are standard components available for use so that ducts can be installed horizontally or vertically, edgewise or flat, and can meet any turn or elevation requirements.
A) busbars
B) covers
C) casings
D) crosses

Question

Quizplus · Accepted Answer

Crosses are standard duct components used to allow ducts to intersect or branch off in multiple directions, meeting various installation requirements.

Straight Sections, Elbows, Tees, and ________Are Standard Components Available for Use