Chapter 11

Question 1

Which type of arch is seen in exhibition halls

Answer 1

Lamella arch

Question 2

Which of the following is usually built without ceilings

Answer 2

Industrial building

Question 3

Which is a thicker wooden roof covering

Answer 3

Shake

Question 4

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

Answer 4

Dormer

Question 5

Which layer protects the roof from mechanical abrasion

Answer 5

Wear course

Question 6

Which safety point about roofs is not correct

Answer 6

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

Question 7

Which part of the bowstring truss is curved

Answer 7

Top chord

Question 8

What is the simplest pitched roof

Answer 8

Shed

Question 9

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

Answer 9

beneath the old one

Question 10

What are the structural forces of a dome roof similar to

Answer 10

arch

Question 11

Where are the main joists of an inverted roof located

Answer 11

at ceiling level

Question 12

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

Answer 12

Air supported

Question 13

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

Answer 13

Insulation layer

Question 14

What type of roof incorporates a garden space into the design

Answer 14

Green roof

Question 15

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

Answer 15

Steel

Question 16

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

Answer 16

Asphalt shingles

Question 17

What type of smoke do asphalt shingles produce under fire conditions

Answer 17

Heavy black

Question 18

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

Answer 18

Web portion

Question 19

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

Answer 19

Penthouse

Question 20

Which is required by code in the skylight

Answer 20

Wired glass

Question 21

Which pitch equals a 45-degree angle

Answer 21

12/12

Question 22

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

Answer 22

20 feet

Question 23

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

Answer 23

Class A

Question 24

Which roofing material can have a life expectancy of 150 years

Answer 24

Slate

Question 25

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

Answer 25

12 gauge

Question 26

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

Answer 26

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

Question 27

Which direction does a flat roof drainage slope typically run

Answer 27

Front to rear

Question 28

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

Answer 28

Material the arch is constructed from

Question 29

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

Answer 29

Spongy

Question 30

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

Answer 30

3 feet

Question 31

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

Answer 31

Glass fiberboard

Question 32

Which type of load does the rooftop garden represent

Answer 32

Dead

Question 33

What material is commonly used to construct rafters

Answer 33

Wood

Question 34

What is a second roof constructed over an existing roof called

Answer 34

rain roof

Question 35

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

Answer 35

NFPA 256

Question 36

Which type of roofing material is used as decorative generally

Answer 36

Thatch

Question 37

Which type of roof is designed to provide light and ventilation

Answer 37

Monitor

Question 38

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

Answer 38

Easy ignition

Question 39

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

Answer 39

Rafters

Question 40

How many layers of roofing felt is a common design

Answer 40

four

Question 41

Which is a commonly seem truss in residential construction

Answer 41

Fink

Question 42

Which is a commonly used material with single ply membrane roofs

Answer 42

Ethylene propylene diene monomer

Question 43

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

Answer 43

one third

Question 44

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

Answer 44

Gambrel

Question 45

What provides the water resistant barrier for the roof system

Answer 45

roof covering

Question 46

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

Answer 46

1 inch

Question 47

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

Answer 47

Corrugated steel

Question 48

Which is typical of lightweight trusses

Answer 48

Monoplane

Question 49

Which is created using spherical triangulation

Answer 49

Geodesic dome

Question 50

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

Answer 50

flat

Question 51

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

Answer 51

Gable

Question 52

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

Answer 52

Dome

Question 53

What provides the water resistant barrier for the roof system

Answer 53

Roof covering