(Building Construction) Chapter 11 Roofs Flashcards
Which is not a fundamental safety point in regards with roofs?
A. Roofs are typically stronger than floors
B. Many types of roofs have inherent concealed spaces
C. Over time loads may be added to roofs for which they were not originally designed.
D. Roofs are subject to wear and deterioration from the elements
A. Roof are typically stronger than floors
* Roofs are not typically stonger than floors
* Many types of roofs have inherent concealed spaces
* Over time loads may be added to roofs for which they were not originally designed.
* Roofs are subject to wear and deterioration from the elements
Building contruction chapter 11 304
According to building contruction chapter 11. Roofs of a building can be classified into three architectural styles. What is not one of those styles?
A. Flat
B. Pitched
C. Arched
D. Curved
C. Arched
(Three styles: Flat, Pitched, Curved)
Arched falls under curved
Pitched Roofs may be categorised in to __, __, ____.
A. Low, Medium, High
B. 12/12, 12/10, 0/0
C. Slope, Slump, Sip
D. Low, Middle, Tall
A. Low, Medium, High
Low (3/12)
Medium (12/12)
High (18/12) too steep to work from a roof ladder
Chapter 11 Building contruction 306
What type of roof style is this?
A. Gable
B. Gambrel
C. Monitor
D. Mansard
A. Gable
Gabled Roof-Style of pitched roof with square ends in which the end walls of the building form a triangular areas beneath the roof.
What type of roof style is this?
A. Gable
B. Gambrel
C. Hip
D. Mansard
C. Hip
Hip Roof- pitched roof what has no gables. all facets of the roof slope down from the peak to an outside wall
What type of roof style is this?
A. Gable
B. Gambrel
C. Monitor
D. Mansard
B. Gambrel
Gambrel Roof- style of gabled roof on which each side slopes at two diffent angles; often used on barns and similar structures
What type of roof style is this?
A. Gable
B. Gambrel
C. Monitor
D. Mansard
D. Mansard
Mansard Roof- Roof style with caracteristics similar to both gambrel and hip roofs. Mansard roofs have slopes of two diffent angles and all side slope down and outside wall
What type of roof style is this?
A. Butterfly
B. Gambrel
C. Monitor
D. Mansard
A. Butterfly
Butterfly Roof- V-Shaped roof style resembleing two opposing shed roofs joined along their lower edges.
What type of roof style is this?
A. Shed
B. Monitor
C. Arched
D. Sawtooth
B. Monitor
Monitor Roof-Roof style similar to an exaggerated lantern roof having a raised section along the ridge line, providing additonal natural light and ventilation
What type of roof style is this?
A. Shed
B. Monitor
C. Arched
D. Sawtooth
D. Sawtooth
Sawtooth Roof- Roof style characterized by a series of alternating vertical walls and sloping roofs that resembles the teeth of a saw.
____-A special type of arch constructed of short pieces of wood called lamellas.
A. Circular Dome
B. Lamella Arch
C. Geodexic Dome
D. Bow string truss
B. Lamella Arch
____- is created by using spherical trangularations.
A. Doomed
B. Geodesic Domes
C. Dormers
D. Lamella Arch
B. Geodesic Domes
What is not a common type of Dormer?
A. Gable
B. Shed
C. Deck
D. Mansard
D. Mansard
5 commen types of Dormer: Gable, Hip, Deck, Flat Roof, Shed
Building contruction roof chapter 11 310
Firefighters should be on alert when responding to structures with____ of any manterial. These joist can be expected to fail quickly in a fire.
A. I beam
B. Solid wood beam
C. Metal Decking
D. Unprotected Lightweight open-web joist
D. Unprotected Lightweight open-web joist
Warining section of chapter 11 Roofs building contruction
Page 312
____ Inclined beam that supports a roof, runs parallel to the slope of the roof, and to which the roof decking is attached.
A. Truss
B. Webbing
C. Chord
D. Rafter
D. Rafter
Corrugated steel decking minium and maximum
A. 29 gauge to 12 gauge
B. 1/4 inch to 1 inch
C. 22mm to 30mm
D. 1 mm to 2.5 mm
A. 29 gauge to 12 gauge
Which is not roof decking material?
A. plywood, wood plankls, corrugated steel
B. Pre cast gypsum, concrete planks, poured gypsum
C. Poured concrete, cement planks containing wood fiber
D. None of the above
D. None of he above
plywood, wood plankls, corrugated steel, pre cast gypsum, concrete planks, poured gypsum, poured concrete, cement planks containing wood fiber are all roof decking material
Building construction 318
____- Roof covering that consist of a single lay of waterproof synthetic membrane over one or more layers of insulation on a roof deck. Also called single-ply roof.
A. Thermial Insulation
B. Vapor Barrier
C. Membrane roof
D. Drainage
C. Membrane roof
3 types are built-up, single-ply, fluid-applied
Building construction 321
What is a Wear Course?
A. A layer that permits the free movement of rain
B. A barrier is dexigned to redue the diffusion of interior moisture into the insulating layer
C. A layer that reduces heat loss through the roof
D. Protects the roof from mechanical abrasion
D. Protects the roof from mechanical abrasion
(A typical tar and gravel roof uses gravel as the wear course)
Building construction 322
Roof tiles and shingles may be all of the following except?
A. Asphalt
B. Wood
C. Clay
D. Rubber
D. Rubber
(Clay, Wood, Asphalt, slate)
Building Construction chapter 11 pg 323
What is a negative aspect to wood roof shingles and shakes?
A. They are rustic appearance
B. they can be shipped with pressure impregnated fire-retardant
C. Popular architecturally
D. Has a higher fire potential
D. Has a higher fire potential
Building construction Roof 325
What is not a hazard of clay/slate/cement tiles?
A. Tiles can loosen and fall from the roof as the deck burns away
B. The surface can be com slippery
C. Tiles are non combustable
D. Tiles can be thin and brittle and may have sharp edges
C. Tiles are non combustable
Building construction 326
What is not true about metal roofs?
A.Metal roofs are made of galvenized iron or steel, zinc, aluminum and lead
B.Metal corrugated roof sheets are generally stong enough to be installed with out decking
C. Metal roofs do not have to worry about dissimilar metals
D. Metal roof sheets are supported by roof beams or purlins
C. Metal roofs do not have to worry about dissimilar metals
Galvanic action with dissimilar metals are in contact (Steel nails with copper sheeting)
Building construction 327
What is the difference between wood shingles and shake?
A. Wood Shingles are split from the wood either by hand or machine
B. Wood Shake are thin, tapered slabs of wood that sawn from pieces of a tree trunk
C. Wood Shake is made of red cedar, white cedar, or red wood
D. Wood Shingles are thin, tapered slabs of wood that sawn from pieces of a tree trunk
D. Wood Shingles are thin, tapered slabs of wood that sawn from pieces of a tree trunk.
The difference between wood shingles and skaes is in thier method of production
Wood Shakes are split from the wood either by hand or machine and thinker than shingles
Building construction pg 324
What is not a roof covering rating?
A. Class A roof covering
B. Class B roof covering
C. Class C roof covering
D. Class D roof covering
D. Class D roof covering
Class A-effective against a Severe fire exposure
Class B- effective against a Moderate fire exposure
Cladd C- effective against a Light fire exposure
Building construction chapter 11 328
What is a rain roof?
A. All roofs are rain roofs
B. No roof has rain roofs
C. A second roof constructed under an existing roof
D. A second roof constructed over an existing roof
D. A second roof constructed over an existing roof
Voids are created when a rain roof is installed over an older roof
Building construction page 329
A type of roof involves the use of the roof surface of a building for rooftop garden?
A. Red Roof
B. Blue Roof
C. Energy saving roof
D. Green roof
D. Green Roof
Green roofs improves insulation effects
Green roof dead load can hasten structrual failure, interfear with ventilation practies and fire indicators
Building construction 329
____-structure on the roof of a building that may be used as a living space, to enclose mechanical equipment, or to provide roof access from an interior stairway.
A. Penthouse
B. Roof Mechanical Room
C. Roof Suite
D. Condo Suite
A. Penthouse
Side note in Building construction page 331
