What type of flame is characteristic of incomplete combustion?
A) Blue flames B) White flames C) Purple flames D) Yellow flames
D
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The same basic internal parts are used on angle valves, compression faucets, and _____.
a. ceramic-disc faucets b. gate valves c. globe valves d. tank flush valves
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What is an area located at the bottom of a vessel that receives and temporarily stores drainage from the lowest point in that vessel?
A) Sump B) Mixer C) Manway D) Gauge hatch
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The ___________ of the stairs depends on the relationship between tread width and riser height.
A. steepness B. landing C. stringers D. newel post
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In a four-pipe water system, what type of valve is used on each double-coil terminal?
a. Three-way valve b. Orifice plate c. Balancing valve d. Two-way valve
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