Author Question: Grease and oil must be kept away from oxygen tanks used for brazing because they _____. a. will ... (Read 72 times)

joesmith1212 · **on:** Jul 24, 2018

Grease and oil must be kept away from oxygen tanks used for brazing because they _____.

a. will contaminate the brazed joints and cause them to fail
b. could cause an explosion in the presence of oxygen
c. are incompatible with lubricants used on the oxygen regulator
d. will clog the oxyacetylene torch

Question 2

The main purpose of an assembly drawing is to show how the parts are _____.

a. to be used
b. to be cut
c. going to appear in three dimensions
d. put together in relation to one another