Sheet Metal Level 1 Final EXAM WITH ANSWERS

Sheet Metal Level 1 Final EXAM |\ |\ |\ |\ |\ |\




WITH ANSWERS |\




Where is a filter located on an air handler? - CORRECT ANSWERS
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✔✔At the return inlet
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How are furnaces sized? - CORRECT ANSWERS ✔✔BTU/H
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What ratio is an extension ladder placed at? - CORRECT ANSWERS
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✔✔4:1
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What is the best type of fall protection? - CORRECT ANSWERS
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✔✔A guardrail |\




The furnace with the heat exchanger above the blower is a? -
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CORRECT ANSWERS ✔✔Highboy |\ |\




Which knot forms a non-slip loop? - CORRECT ANSWERS
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✔✔Bowline

, What parts are installed in ducts to regulate the flow of air? -
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CORRECT ANSWERS ✔✔Dampers |\ |\




What can be used to prevent drumming in ductwork due to
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pressure changes? - CORRECT ANSWERS ✔✔Cross break or bead
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Commonly used corner seam to construct a square and rectangular
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duct - CORRECT ANSWERS ✔✔Pittsburgh
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What stake should be used when hand forming tapered objects? -
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CORRECT ANSWERS ✔✔Blowhorn |\ |\




On the ring and circle shear, the sliding arm indicates - CORRECT
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ANSWERS ✔✔Diameter |\




To chemically clean a soldering copper when tinning, you should -
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CORRECT ANSWERS ✔✔Rub on sal-ammoniac |\ |\ |\ |\




How far from a sheet's edge should a 5 lb. rivet (.186 inch diameter)
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be placed - CORRECT ANSWERS ✔✔3/8"
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Which acid is used to dissolve zinc chips to produce zinc chloride? -
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CORRECT ANSWERS ✔✔Muriatic Acid
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