CTM 4 Q-1 Roof Framing and Construction Quiz

What is the primary purpose of ceiling joists in a structure?

• To support the roof

• To provide a surface for attaching ceiling materials

• To enhance the aesthetic appeal of the interior

• To improve insulation

Which building component helps prevent opposite walls from spreading apart?

• Beam

• Column

• Ceiling Joists

• Lintel

Name the member of the roof structure that forms the top of the roof frame and supports the roof covering.

• Ridge board

• Rafter

• Purlin

• Truss

What is the function of a barge rafter in roof framing?

• To support the roof sheathing at the gable end

• To provide ventilation to the attic

• To act as a decorative element only

• To support the ridge board

What is the role of the ridge board in a gable roof structure?

• To support the roof's weight

• To provide a nailing surface for rafters

• To act as a decorative element

• To insulate the roof

Ceiling joists transfer loads in a roof system by:

• Supporting the roof structure and distributing weight to the walls

• Acting as a barrier against moisture

• Providing insulation to the roof

• Enhancing the aesthetic appeal of the ceiling

Define 'bottom chord' in the context of roof trusses.

• The top horizontal member of a truss

• The horizontal member of a truss

• The vertical member of a truss

• The diagonal member of a truss

What is the difference between stick-built framing and pre-fabricated roof trusses?

• Stick-built framing is constructed on-site, while pre-fabricated roof trusses are manufactured off-site.

• Stick-built framing uses metal components, whereas pre-fabricated roof trusses use wood.

• Stick-built framing is more cost-effective than pre-fabricated roof trusses.

• Stick-built framing is only used for commercial buildings, while pre-fabricated roof trusses are used for residential buildings.

Identify the component in roof framing that supports roof rafters and runs parallel to the ridge.

• Ridge Board

• Collar Tie

• Purlin

• Rafter

What is the purpose of a strong back in ceiling joist construction?

• To provide additional support and prevent sagging of ceiling joist

• To enhance the aesthetic appearance

• To reduce the cost of materials

• To increase the speed of construction