Gauges are necessary on regulators to assist in setting the torch pressure and also to indicate the approximate amount of gas remaining in the cylinder.
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Q13: Acetylene tanks should never be laid on
Q13: Eye protection is necessary for
A) welding.
B) brazing.
C)
Q14: Acetylene tanks should be opened all the
Q15: It is good practice to use a
Q16: Only a welder in training needs a
Q17: Flux aids in keeping the joining surface
Q19: Sunglasses can protect your eyes while welding.
Q20: The special technique developed in the late
Q21: _ receive gas from the supply cylinders
Q22: The gas that combines with other elements
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