This set of Construction Materials test focuses on “Roofing Materials – Pitched or Sloping Roofs”.
1. ______________ are the wooden planks or boards which are fixed on the gable end of a roof.
a) Cleats
b) Battens
c) Barge boards
d) Eaves
View Answer
Explanation: Barge boards connects the ends of ridge, Purlins and wall plates. Whereas, Cleats are small blocks of wood which are fixed on the Truss to prevent the sliding of purlins.
2. __________________ are the thin strips of wood which are fixed on the rafters or ceiling.
a) Dragon beam
b) Eaves
c) Gables
d) Battens
View Answer
Explanation: Battens support the roof ceiling. Whereas, the triangular upper part of a wall formed at the end of the pitched roof is known as a Gable.
3. The diagonal piece of wood which is laid across the corner of the wall is known as a ____________
a) Eave
b) Hip
c) Rafter
d) Dragon beam
View Answer
Explanation: The lower end of a hip rafter is generally supported on a diagonal piece of wood which is lead across the corner of the wall. This diagonal piece is known as the Dragon beam or a dragon tie or an angle tie.
4. The lower edges of a roof which are resting upon or projecting beyond the supporting wall are known as the _______________
a) Gables
b) Rafters
c) Eaves
d) Wall plates
View Answer
Explanation: Sometimes, a thin board of wood is provided at the Eaves to cover the ends of the common rafters. Such a board is known as an Eaves board or facia board. It is usually 25 mm thick and 250 mm wide.
5. The angle formed at the intersection of two roof slopes is known as the ___________
a) Valley
b) Hip
c) Verge
d) Pitch
View Answer
Explanation: Whereas, the inclination of sides of a roof to the horizontal plane is known as the Pitch and it can be expressed either in terms of degrees or as the ratio of rise to span.
6. The wooden piece which are placed horizontally on a principal rafter to carry the common rafters are known as the ______________
a) Ridge
b) Rafters
c) Jack Rafter
d) Purlins
View Answer
Explanation: Whereas, Rafters are the pieces of timber which extend from the Eaves to the ridge. Common rafters, Hip rafters, Jack Rafter, principal rafters are the various types of rafters.
7. A wooden piece provided at ridge line of a sloping roof is known as the ___________
a) Template
b) Ridge
c) Valley
d) Principle rafters
View Answer
Explanation: The common rafters are attached to the ridge. A Ridge line indicates the apex line of a sloping roof. Whereas, principal rafter are the incline members of a Truss.
8. A bedding block is generally provided at the end of a Truss as __________
a) Truss
b) Template
c) Hip rafter
d) Pitch
View Answer
Explanation: Templates helps in spreading the load over a large area. A template may be of wood or stone or RCC.
9. _______________ are the rafters which are provided at the junction of two roof slopes.
a) Jack Rafter
b) Principal rafter
c) Hip rafter
d) Common rafter
View Answer
Explanation: Common rafters are the intermediate rafters which give support to the roof covering. Where as, any rafter with is shorter than a common rafter is known as Jack Rafter.
10. The horizontal distance between the internal faces of walls or support is known as a ___________
a) Span
b) Truss
c) Verge
d) Wall plates
View Answer
Explanation: The effective span indicates the horizontal distance between the centres of wall or supports. Whereas, the Framework, usually of triangles and design to support the roof covering or ceiling over rooms, is known as a Roof Truss.
11. _________________ are the long wooden members which are embedded on top of the walls to receive the common rafter.
a) Valley
b) Wall plates
c) Verge
d) Truss
View Answer
Explanation: Wall plates actually connect the wall to the roof. Whereas, when two room surfaces meet together and form an internal angle, a valley formed.
12. The edge of a Gable, running between the Eaves and ridge is known as __________
a) Verge
b) Ridge
c) Eave
d) Pitch
View Answer
Explanation: Whereas, the lower edges of a roof which are resting up on or projecting beyond the supporting wall are known as the Eaves.
Sanfoundry Global Education & Learning Series – Construction and Building Materials.
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