A carburizing/reducing flame has a white feather created by excess _____
A) oxygen B) acetone C) acetylene D) air
C
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What section of the boiler is where the burners are located and where radiant heat transfer occurs?
A) Firebox B) Burners C) Air registers D) Stack
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Which of the following terms describes an intermediate horizontal member of a window frame?
A) Mullion B) Stile C) Rail D) Jamb E) Muntin
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A yellow tag on a scaffold means that it _____.
a. may not be used b. may be used only in dry weather c. does not meet all safety standards d. is safe for all uses
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In regards to refrigerant flow through a fixed orifice tube:
A. It enters as a high pressure liquid B. It enters as a low pressure liquid C. It leaves as a low pressure gas D. It leaves as a high pressure liquid
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