Estimatics Study Guide Exam Questions
And Actual Answers.
Area of a square or rectangle - Answer Base x Height
Area of a triangle - Answer 1/2 (Base x Height)
Area of a trapezoid - Answer [(Base1 + Base2) / 2] x Height
Area of a circle - Answer pi (3.14) x radius of the circle
Top chord - Answer serves as a roof rafter
Bottom chord - Answer serves as a ceiling joist; the length of this chord is the "span"
Webbing - Answer bracing that ties top and bottom chords together
Gussets - Answer wood or metal plates that hold the pieces together at the joints
On-Center (o.c.) of the trusses - Answer is the distance from the centerline of one framing member to
the center of the next framing member
3 - Tab Composition shingles - Answer these range from 200 lb. to 240 lb. and are packaged three
bundles per square
Waste for a gable roof - retangles - Answer 10%
Waste for a hip roof - trapezoids and parallelograms - Answer 15%
And Actual Answers.
Area of a square or rectangle - Answer Base x Height
Area of a triangle - Answer 1/2 (Base x Height)
Area of a trapezoid - Answer [(Base1 + Base2) / 2] x Height
Area of a circle - Answer pi (3.14) x radius of the circle
Top chord - Answer serves as a roof rafter
Bottom chord - Answer serves as a ceiling joist; the length of this chord is the "span"
Webbing - Answer bracing that ties top and bottom chords together
Gussets - Answer wood or metal plates that hold the pieces together at the joints
On-Center (o.c.) of the trusses - Answer is the distance from the centerline of one framing member to
the center of the next framing member
3 - Tab Composition shingles - Answer these range from 200 lb. to 240 lb. and are packaged three
bundles per square
Waste for a gable roof - retangles - Answer 10%
Waste for a hip roof - trapezoids and parallelograms - Answer 15%
