Roof Trusses

Which of the following roof trusses could be used for the widest building span

• Single roof

• Double roof

• Triple roof

• Quadruple roof

Which of the following roof trusses is the simplest roof structure

• Single roof

• Double roof

• Triple roof

• Quadruple roof

Lean-to roof, Couple roof and Closed couple roof are examples of ...

• Single roof

• Double roof

• Triple roof

• Quadruple roof

The timber joint for rafters and wall plate shown in the image is ...

• Birds mouth joint

• Mortise and tenon joint

• Tongue and groove joint

• Ball joint

Item labelled "A" in the image shown is ...

• Rafter

• Truss

• Collar beam

• Ceiling joist

• Roof joist

Item labelled "C" in the image shown is ...

• Rafter

• Truss

• Collar beam

• Ceiling joist

• Roof joist

Item labelled "D" in the image shown is ...

• Wall plate

• Roof plate

• Truss plate

• Ceiling joist

• Roof joist

Item labelled "A" in the image shown is a ...

• Flange

• Top flange

• Bottom flange

• Purlin

• Web

Item labelled "B" in the image shown is a ...

• Flange

• Top flange

• Bottom flange

• Purlin

• Web

Item labelled "D" in the image shown is a ...

• Flanges

• Roof beams

• Truss beams

• Purlins

• Purlin beams