Author Question: How often should the water-handling components of an ice machine be cleaned? A) Monthly B) ... (Read 69 times)

AEWBW · **on:** Jul 24, 2018

How often should the water-handling components of an ice machine be cleaned?

A) Monthly
B) Annually
C) Weekly
D) The water-handling components of an ice machine do not need cleaning.

Question 2

When installing an oil-fired furnace in a confined space with a firing rate of 100,000 Btuh, what is the minimum free air opening required if the combustion air vents are directly communicating with the outside?

A) 100,000/1,000 = 100 sq in for each grille B) 100,000/5,000 = 20 sq in for each grille
C) 100,000/4,000 = 25 sq in for each grille D) 100,000/2,000 = 50 sq in for each grille