Using steel piping in a refrigeration system that uses ammonia will prevent _____
a. fire
b. explosion
c. corrosion
d. contamination
c
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The special cutting tip for cutting off bolt heads and nuts is called a _____.
a. gouging tip b. flue cutting tip c. rivet cutting tip d. piercing tip
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The adult make alpaca is called a:
A. cria B. macho C. gelding D. hembra
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A pneumatic drill is commonly used _____
a. in areas where noise is a problem b. to supply compressed air to de-burr pipes c. when there is no source of electricity d. for intricate detail work
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From the compressor output, the compressed air is fed into a storage tank, called the ____.
A. dryer B. lubricator C. receiver D. regulator
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