Building Technology 2: Types of Roofs

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What is the primary purpose of a Saw Tooth Roof design?

To create a unique architectural aesthetic

To reduce wind resistance

To provide additional structural support

To maximize natural light through vertical windows (correct)

What is the characteristic feature of a Mansard Roof?

A hemispherical form of roof

A flat deck on top with steeply sloping sides

Four straight sides sloping towards the center of the building

Two sides of the roof slope steeply from each side of the building towards the center (correct)

What is the primary difference between a Gambrel Roof and a Gable Roof?

Gambrel Roofs have a flat deck on top, while Gable Roofs do not

Gambrel Roofs have steeply sloping sides, while Gable Roofs have gently sloping sides

Gambrel Roofs have two slopes on each side, while Gable Roofs have one (correct)

Gambrel Roofs have four straight sides, while Gable Roofs have two

What is the characteristic shape of a Hip Roof?

A roof with four straight sides all sloping towards the center of the building Signup and view all the answers

What is the primary difference between a Hip Roof and a Hip and Valley Roof?

Hip and Valley Roofs have a combination of a hip roof and an intersecting gable roof Signup and view all the answers

What is the characteristic feature of a Pyramid Roof?

A pyramid form having steep sides sloping to the center Signup and view all the answers

What is the minimum distance required for corrugated GI sheets to extend beyond the outer face of the fascia board?

8 cm Signup and view all the answers

What type of roofing fastening method uses plain GI straps, GI rivets, and GI washers?

Riveting Signup and view all the answers

What is the primary purpose of providing a string along the gutter line during roofing installation?

To ensure proper alignment of corrugations Signup and view all the answers

What type of roof is characterized by a single slope and is considered the simplest form of roof?

Shed or Lean-to Roof Signup and view all the answers

What is the recommended spacing for nails or rivets along the gutter line, end lapping joints, ridge, hip, and valley rolls?

Every other corrugation Signup and view all the answers

What type of roofing fastening method uses roof nails and a pair of GI washer?

Nailing Signup and view all the answers

What type of roof is characterized by two sheds meeting at the center of the building?

Butterfly Roof Signup and view all the answers

What is the primary function of a ceiling strap or hanger?

To suspend or fasten the ceiling Signup and view all the answers

What is the term for the ornamental molding running around the walls of the room just below the ceiling?

Cornice Signup and view all the answers

What is the size of a typical wooden ceiling joist?

2" x 2" Signup and view all the answers

What type of ceiling is characterized by a concave or canted interior corner or molding?

Cove Ceiling Signup and view all the answers

What is the size of a typical plywood ceiling?

1/4" x 4' x 8" Signup and view all the answers

Building Technology 2: Types of Roofs

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