The largest oxygen cylinder holds about _____ cubic feet of oxygen.
a. 85
b. 285
c. 400
d. 485
d. 485
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One way a company can maintain ethical standards is to _____.
An unshielded sensor uses the ____________________ (radial, axial) approach by detecting objects ____________________ (only in front of the head, to the front or side of the head).
Fill in the blank(s) with the appropriate word(s).
Why might opening the acetylene cylinder's square stem valve three-and-a-half turns with a wrench and leaving the wrench on the valve while working create a hazardous situation?
A) The wrench should not be used on a square stem valve. B) The wrench should be removed from the valve while soldering. C) The valve should be opened at least four turns to minimize internal pressure. D) The valve should be opened less than two-and-a-half turns.
Which activity does NOT allow a person to perform any work while at the shop?
A) Part-time employment B) Cooperative education C) Job shadowing D) Apprenticeship