Author Question: When a flame retention head burner is used, the smoke level should be adjusted for _____. a. zero ... (Read 164 times)

shofmannx20 · **on:** Jul 24, 2018

When a flame retention head burner is used, the smoke level should be adjusted for _____.

a. zero smoke
b. No. 1 smoke
c. No. 1 to No. 2 smoke
d. No. 2 smoke

Question 2

While a boiler is in dry storage, the condition of the desiccant should be checked about every _____.

a. two weeks
b. six weeks
c. three months
d. six months