ESTIMATICS EXAMS WITH ANSWERS
RELATED TO A+
Area kof ka ksquare kor krectangle k- kcorrect kanswers-Base kx kHeight
Area kof ka ktriangle k- kcorrect kanswers-1/2 k(Base kx kHeight)
Area kof ka ktrapezoid k- kcorrect kanswers-[(Base1 k+ kBase2) k/ k2] kx kHeight
Area kof ka kcircle k- kcorrect kanswers-pi k(3.14) kx kradius kof kthe kcircle
Top kchord k- kcorrect kanswers-serves kas ka kroof krafter
Bottom kchord k- kcorrect kanswers-serves kas ka kceiling kjoist; kthe klength kof kthis
kchord kis kthe k"span"
Webbing k- kcorrect kanswers-bracing kthat kties ktop kand kbottom kchords ktogether
Gussets k- kcorrect kanswers-wood kor kmetal kplates kthat khold kthe kpieces ktogether kat
kthe kjoints
On-Center k(o.c.) kof kthe ktrusses k- kcorrect kanswers-is kthe kdistance kfrom kthe
kcenterline kof kone kframing kmember kto kthe kcenter kof kthe knext kframing kmember
3 k- kTab kComposition kshingles k- kcorrect kanswers-these krange kfrom k200 klb. kto
k240 klb. kand kare kpackaged kthree kbundles kper ksquare
Waste kfor ka kgable kroof k- kretangles k- kcorrect kanswers-10%
Waste kfor ka khip kroof k- ktrapezoids kand kparallelograms k- kcorrect kanswers-15%
per ksquare kfor kcomp kshingles k- kcorrect kanswers-assume k3 kbundles k(.33, k.67, k00)
RELATED TO A+
Area kof ka ksquare kor krectangle k- kcorrect kanswers-Base kx kHeight
Area kof ka ktriangle k- kcorrect kanswers-1/2 k(Base kx kHeight)
Area kof ka ktrapezoid k- kcorrect kanswers-[(Base1 k+ kBase2) k/ k2] kx kHeight
Area kof ka kcircle k- kcorrect kanswers-pi k(3.14) kx kradius kof kthe kcircle
Top kchord k- kcorrect kanswers-serves kas ka kroof krafter
Bottom kchord k- kcorrect kanswers-serves kas ka kceiling kjoist; kthe klength kof kthis
kchord kis kthe k"span"
Webbing k- kcorrect kanswers-bracing kthat kties ktop kand kbottom kchords ktogether
Gussets k- kcorrect kanswers-wood kor kmetal kplates kthat khold kthe kpieces ktogether kat
kthe kjoints
On-Center k(o.c.) kof kthe ktrusses k- kcorrect kanswers-is kthe kdistance kfrom kthe
kcenterline kof kone kframing kmember kto kthe kcenter kof kthe knext kframing kmember
3 k- kTab kComposition kshingles k- kcorrect kanswers-these krange kfrom k200 klb. kto
k240 klb. kand kare kpackaged kthree kbundles kper ksquare
Waste kfor ka kgable kroof k- kretangles k- kcorrect kanswers-10%
Waste kfor ka khip kroof k- ktrapezoids kand kparallelograms k- kcorrect kanswers-15%
per ksquare kfor kcomp kshingles k- kcorrect kanswers-assume k3 kbundles k(.33, k.67, k00)
