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BC 4th > Chapter 11 > Flashcards

Chapter 11 Flashcards

1
Q

Which type of arch is seen in exhibition halls

A

Lamella arch

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2
Q

Which of the following is usually built without ceilings

A

Industrial building

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3
Q

Which is a thicker wooden roof covering

A

Shake

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4
Q

Which is frequently provided in buildings with a pitched roof to increase light and ventilation in the attic space

A

Dormer

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5
Q

Which layer protects the roof from mechanical abrasion

A

Wear course

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6
Q

Which safety point about roofs is not correct

A

Roofs are generally stronger than floors because they are typically designed to support heavier live loads

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7
Q

Which part of the bowstring truss is curved

A

Top chord

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8
Q

What is the simplest pitched roof

A

Shed

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9
Q

Where is a new ceiling often installed when creating a new interior decor

A

beneath the old one

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10
Q

What are the structural forces of a dome roof similar to

A

arch

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11
Q

Where are the main joists of an inverted roof located

A

at ceiling level

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12
Q

Which type of roof is curved and will not support the weight of fire fighters

A

Air supported

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13
Q

Which of the following does the vapor barrier reduce the diffusion of the interior moisture into

A

Insulation layer

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14
Q

What type of roof incorporates a garden space into the design

A

Green roof

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15
Q

Which type of nails should be used when steel sheeting is used in the roof construction

A

Steel

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16
Q

Which type of roof covering comes is most commonly 12x36 inches

A

Asphalt shingles

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17
Q

What type of smoke do asphalt shingles produce under fire conditions

A

Heavy black

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18
Q

Which part of the box beam renders it susceptible to early failure in a fire

A

Web portion

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19
Q

Which of the following is a small structure erected on the main roof of a building

A

Penthouse

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20
Q

Which is required by code in the skylight

A

Wired glass

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21
Q

Which pitch equals a 45-degree angle

A

12/12

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22
Q

What height above the floor must be the roof be before code will allow the omission of fire proofing from roof supports

A

20 feet

23
Q

Which class of roof covering is effective against a severe fire exposure

A

Class A

24
Q

Which roofing material can have a life expectancy of 150 years

A

Slate

25
Q

What is the thickest gauge of corrugated steel used as roof decking

A

12 gauge

26
Q

Which of the following is not a problem encountered with slate tiles under fire conditions

A

The tiles are highly combustible and will result in an explosion of the tile

27
Q

Which direction does a flat roof drainage slope typically run

A

Front to rear

28
Q

What basically determines the behavior of the roof supported by an arch

A

Material the arch is constructed from

29
Q

What feel will be present before the traditional wood joisted roof fails under fire conditions

A

Spongy

30
Q

At what interval is the wood nailing strip placed into the cast in place concrete used as roof decking

A

3 feet

31
Q

Which type of rigid roof insulating material is a rigid low-density board of glass fibers and a binder

A

Glass fiberboard

32
Q

Which type of load does the rooftop garden represent

A

Dead

33
Q

What material is commonly used to construct rafters

A

Wood

34
Q

What is a second roof constructed over an existing roof called

A

rain roof

35
Q

Where are the test procedures located for the evaluations of fire hazards of roof covering

A

NFPA 256

36
Q

Which type of roofing material is used as decorative generally

A

Thatch

37
Q

Which type of roof is designed to provide light and ventilation

A

Monitor

38
Q

Which of the following is seen as a disadvantage of the wood shake

A

Easy ignition

39
Q

What are the standard supports used in shed, gable and hip style roofs

A

Rafters

40
Q

How many layers of roofing felt is a common design

A

four

41
Q

Which is a commonly seem truss in residential construction

A

Fink

42
Q

Which is a commonly used material with single ply membrane roofs

A

Ethylene propylene diene monomer

43
Q

How much of the length of the wood shingle is actually exposed to the weather once installed

A

one third

44
Q

Which type of roof slopes in two directions with a break in the slope on each side

A

Gambrel

45
Q

What provides the water resistant barrier for the roof system

A

roof covering

46
Q

What will be the minimum nominal thickness of wood planks used for roof decking

A

1 inch

47
Q

Which roof deck material serves as the roof deck and the roof covering

A

Corrugated steel

48
Q

Which is typical of lightweight trusses

A

Monoplane

49
Q

Which is created using spherical triangulation

A

Geodesic dome

50
Q

Which type of roof is seen on large area warehouses and shopping center

A

flat

51
Q

Which type of roof design consists of two inclined surfaces that meet at their high side to form a ridge

A

Gable

52
Q

On which type of roof would the use of fluid-applied membranes be useful

A

Dome

53
Q

What provides the water resistant barrier for the roof system

A

Roof covering

BC 4th (14 decks)

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