Author Question: Installation clearances for rooftop units are required A) to insure that the weight of the unit ... (Read 43 times)

tingc95 · **on:** Jul 26, 2018

Installation clearances for rooftop units are required

A) to insure that the weight of the unit does not rest directly on any roof trusses, beams, joists, or rafters
B) to maintain a safe distance between the wiring and combustible materials
C) to isolate the equipment from materials that might be damaged by refrigerant leaks
D) to insure the correct airflow through the condenser coil

Question 2

How does a cuber typically make the ice cubes?

A) Water is circulated over a vertical tray that freezes water to it.
B) Water fills a horizontal tray that is kept below freezing.
C) Water is frozen in a cube shaped mold one cube at a time.
D) Water fills a cylinder and freezes on the inner walls.