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Estimatics Questions and Correct Answers

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Estimatics Questions and Correct Answers

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Estimatics Questions and Correct
Answers
Area of triangle - Answer: 1/2 base x height



Area of trapezoid - Answer: [(Base1 + Base2)÷2] × height



Area of circle - Answer: Pie x r2



Top chord - Answer: Serves as a roof rafter



Bottom Chord - Answer: Serves as a ceiling joist



Span - Answer: Length of bottom chord



Webbing - Answer: Bracing that ties top and bottom chords together



Gussets - Answer: Wood or metal plates that hold the pieces together at the joints



Span of a truss - Answer: Width of building



On Center - Answer: Distance from centerline of one truss to the centerline of an adjacent truss



Length of building - Answer: Distance from end wall to end wall



Slope of truss - Answer: Inches of vertical rise in the top chord of the truss in 12 inches of horizontal
run



Roof sheathing - Answer: Applied to top chord of trusses or roof rafters to support roofing material;
forms the deck for roofing material

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