Roofing (wood Frame)

Question 0

Thickness of GI roofing are measured in terms of what

Answer 0

Gauge

Question 1

The covering of a building that serves as a protective covering from the weather

Answer 1

Roof

Question 2

The standard commercial width of corruated GI sheet

Answer 2

32” or 0.80

Question 3

The standard length of corrugated GI sheet ranges from

Answer 3

(5’ to 12’) 1.50 to 3.60

Question 4

Plain GI sheet commercial standard size

Answer 4

36” x 8’ or 0.90 x 2.40

Question 5

Two kinds of lapping in laying corrugated GI sheet roofing

Answer 5

1. Side lapping

2. End lapping

Question 6

A shallow channel of metal, wood or concrete set immediate below and along the eaves of a building to catch and carry off rainwater from the roof

Answer 6

Gutter

Question 7

Slope of gutter for effective drainage

Answer 7

5mm per meter

Question 8

Two type of gutter

Answer 8

1. Concealed gutter

2. Exposed gutter

Question 9

It conveys the water from the gutter down to the storm drain

Answer 9

Downspouts

Question 10

The lower edge of a sloping roof; that part of a roof of a building which projects beyond the wall

Answer 10

Eaves

Question 11

To prevent water penetration and or provide water drainage especially between a roof and wall

Answer 11

Flashing

Question 12

A metal or tile covering which caps the ridge of a roof

Answer 12

Ridge roll

Question 13

A piece of timber or steel laid horizontally on the principal rafters of a roof to support the common rafters on which the roof covering is laid

Answer 13

Purlin

Question 14

A fastener used to secure a purlin to its support

Answer 14

Purlin cheat

Question 15

One of a series of inclined members to which the roof covering is fixed

Answer 15

Rafters

Question 16

A structure composed of a combination of members, usually in some triangular arrangement so as yo constitute a rigid framework

Answer 16

Truss

Question 17

In a truss, any member which joins the top and bottom chords

Answer 17

Web member

Question 18

It is a horizontal structural member whose prime function is to carry the load of the roof

Answer 18

Roof beam

Question 19

It is the reinforcing device to resist shear and diagonal tension stresses in a beam

Answer 19

Stirrups

Question 20

In a truss, it is a vertical member extending from the apex of the inclined rafters to the tie beam between the rafters at their lower end

Answer 20

King post

Question 21

The ties between rafters on opposite sides of the roof

Answer 21

Collar plate

Question 22

A device such as metal rod wire or strap, for fixing one object to another as specially formed metal connectors used to fasten together timbers masonry, trusses etc

Answer 22

Anchorage

Question 23

A principal member of a truss which extends from one end to the other, primarily to resist bending

Answer 23

Chord

Question 24

It is a board that is nailed horizontally to the ends of roof rafters; sometimes supports a gutter

Answer 24

Fascia board

Question 25

It requires plain GI straps GI rivets and GI washers

Answer 25

Riveting

Question 26

This is the simplest and most economical method where GI roofing are anchored to the purlin by the use of roof nails and a pair of GI and washer

Answer 26

Nailing

Question 27

14 Types of roof

Answer 27

1. Shed or lean-to roof 2. Gable or pith roof 3. Saw tooth roof 4. Double gable roof 5. Hip roof 6. Hip and valley roof 7. Pyramid roof 8. Gambrel roof 9. Ogee roof 10. Mansard roof 11. French or concave mansard roof 12. Dome 13. Conical roof or sphire 14. Butterfly roof

Question 28

It is a two shed roof where the slopes meet at the center of the building

Answer 28

Butterfly roof

Question 29

It is a steep roof of circular section that tapers uniformly from the circular base to a central point

Answer 29

Conical roof or sphire

Question 30

It is a hemispherical form of roof usually used on observatories

Answer 30

Dome

Question 31

Its is a modification of the mansard roof where the sides are concave

Answer 31

French or concave mansard roof

Question 32

The two sides of the roof slopes steeply from each side of the building towards the center forming a flat deck on top

Answer 32

Mansard roof

Question 33

It is a pyramid form having steep sides sloping to the center

Answer 33

Ogee roof

Question 34

It is considered as the simplest form of roof consisting of one single slope

Answer 34

Shed or lean-to roof

Question 35

It is the most common type and economical form of the roof made of triangular sections consisting of to slopes meeting at the center of the ridge forming a gable

Answer 35

Gable or pitch roof

Question 36

It is commonly used on factories where extra light is required through the window on the vertical side

Answer 36

Saw tooth

Question 37

It is a modification of a gable or a hip and valley roof

Answer 37

Double gable roof

Question 38

It is a roof having four straight sides all sloping towards the center of the building terminating at the ridge

Answer 38

Hip roof

Question 39

It is a combination of a hip roof and n intersecting gable roof forming a t or l shaped building

Answer 39

Hip and valley roof

Question 40

It is a modification of the hip roof wherein the four straight sides are sloping towards the center terminating at a point

Answer 40

Pyramid roof

Question 41

It is a modification of the gable roof with each side having two slopes

Answer 41

Gambrel roof