Technician A says high-pressure air from an air gun may penetrate the skin. Technician B says if air from an air gun enters the bloodstream, it may be fatal. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: C

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Many details are best shown by combining elevations and sections or by using ____ drawings.

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A 24 ft. x 37 ft. single story house with a basement has the heating unit in one end of the basement. What type of supply duct system would be used in this application?

What will be an ideal response?

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When checking blade slot clearance, if the clearance is too great (slots are too wide), ________

A) the blades are adjusted accordingly B) the rotor must be replaced C) the corresponding blades must be replaced D) the rotor is readjusted to alter the clearance

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