Author Question: The maximum recommended rate of gas usage from an acetylene tank for intermittent use is _____. ... (Read 179 times)

elizabeth18 · **on:** Jul 24, 2018

The maximum recommended rate of gas usage from an acetylene tank for intermittent use is _____.

a. 50 percent of the bottle contents per hour
b. 33 percent of the bottle contents per hour
c. 20 percent of the bottle contents per hour
d. 10 percent of the bottle contents per hour

Question 2

Oxides in a stainless or low-alloy steel weld decrease the metal's _____.

a. hardenability
b. melting point
c. conductivity
d. corrosion-resistance