Question 1

A(n) ____ will always be represented on the plan view using an angle equal to half the angle of the intersecting walls.

Accepted Answer

A valley in architectural terms refers to the internal angle formed by the intersection of two sloping roof planes. On a plan view, this angle is represented as half the angle of the intersecting walls because the plan view is a projection or a drawing of the three-dimensional structure onto a two-dimensional plane, simplifying the representation of the roof's geometry.

Question 2

The layout of a hip roof plan requires that a hip or valley be placed through each intersection in the exterior walls.

Accepted Answer

This is true because a hip roof is a type of roof where all sides slope downwards towards the walls, and where there are no gables or vertical sides to the roof. Therefore, at every intersection in the exterior walls, there will be either a hip or a valley.

Question 3

A skylight is connected to the ceiling by an enclosed area called a ____.

Accepted Answer

The enclosed area between the skylight and the ceiling is called a chase.

Question 4

Vents can be represented on a roof plan by a circle ____ in diameter.

Accepted Answer

The answer of Vents can be represented on a roof...

Question 5

What is the first step in determining the roof shape?

Accepted Answer

Tracing the outline of the exterior walls and all exterior support posts is the first step in determining the roof shape as it provides a basic understanding of the shape and dimensions of the roof.

Question 6

A(n) ____ is a small gable built behind the chimney to divert water away from the chimney.

Accepted Answer

A saddle is a small gable built behind the chimney to divert water away from the chimney. A valley is an internal angle formed by the intersection of two sloping roof planes. An eave is the edge of a roof that overhangs the walls of the building. A rake is the edge of a roof that runs parallel to the slope of the roof.

Question 7

Structural materials are shown the same way on all plans, regardless of the type of plan used.

Accepted Answer

Different types of plans (e.g., architectural, structural, mechanical) use various symbols and conventions to represent structural materials, tailored to the specific information each plan is designed to convey.

Question 8

A _____ extends above the roof and is typically used for decorative purposes to hide the roof.

Accepted Answer

A parapet wall is a vertical extension of the wall at the edge of a roof, which can serve both as a barrier to prevent people from falling off the roof and as a decorative element to conceal the roof. A diverter is a component that diverts water away from a critical detail or opening, such as a door or window. A saddle is a ridge-shaped component that is used to direct water away from a chimney or other projection on a roof. A cant strip is a triangular-shaped piece of material that is placed between the roof deck and the insulation to create a slope for water drainage.

Question 9

A ____ can range from a minimum of 16'' (400 mm) square, up to matching the size used to represent the fireplace on the floor plan.

Accepted Answer

The minimum size mentioned in the statement corresponds to the minimum size required for a masonry chimney, whereas saddle and ridge vent are not related to the size of the chimney. Metal chimney can come in various sizes, but the statement mentions a range that matches with masonry chimney size.

Question 10

When drawing plans for gable roofs, you should generally assume the use of _____ vents.

Accepted Answer

Gable roofs typically use round vents, and 12" (300 mm) is a common size for such applications.

Question 11

If a bay window is to be included on the floor plan, special consideration will be required to draw the roof covering it.

Accepted Answer

A bay window is a protruding window structure that extends outwards from the main walls of a building. It requires a special roof design that covers it and provides proper drainage. This can be challenging for architects and builders, as the roof must be carefully shaped to fit the angled structure of the bay window. Therefore, special consideration is required to draw the roof covering a bay window.

Question 12

The roof plan should be created in the file containing the floor plan and placed directly over the floor plan.

Accepted Answer

This allows for a clear understanding of how the roof design will sit on top of the floor plan.

Question 13

A Dutch hip is started by first drawing a(n) ____.

Accepted Answer

A Dutch hip roof is started by first drawing a hip roof, which serves as the base structure before any additional elements like overhangs, cornices, or fascia are added.

Question 14

Dormers are typically placed as close to the ridge as possible, usually on the side of the roof that is the least visible.

Accepted Answer

Dormers are often placed for both aesthetic and functional purposes, not necessarily close to the ridge or on the least visible side of the roof. Their placement depends on the architectural design, the need for interior light and ventilation, and the structure of the roof.

Question 15

When drawing plans for a hip roof that includes solar panels, vents, downspouts, and saddles, which should be drawn first?

Accepted Answer

The answer of When drawing plans for a hip roof...

Quiz 17: Roof Plan Layout With Cad