WorksheetsDay 46-Nov 6-worksheet-PWD-ROOF,Carpentry &joinery,DPC,termite
Total questions: 15
Worksheet time: 13mins
Which of the following materials is flexible and must be protected with a bitumen coating when used as a damp-proofing course?
Aluminum sheet
Lead sheet
Stone slab
Brick course
The ratio of cement to sand in a guniting process for damp-proofing is —
(a)
A lean-to roof has slopes on both sides of the ridge.Is this statement correct?
(a)
A hip is the external angle formed when two roof slopes meet, and its angle is greater than 180°.
True
False
The horizontal wooden member at the apex of the roof supporting the common rafter is called:
Cleat
Purlin
Ridge piece
Batten
The small blocks of wood fixed on trusses to prevent the sliding of purlins are known as cleats
True
False
A pitched roof which slopes in all four directions is called:
Lean to roof
Gable roof
Hipped roof
Deck roof
The vertical distance between the wall plate and the ridge of a pitched roof is called (a) .
The process of depositing rich cement mortar under pressure to waterproof a surface is called (a) .
The minimum thickness of hot bitumen layer in damp proofing is (a) mm.
The triangular upper part of a wall formed at the end of a pitched roof is called (a) .
In a king post truss, the central vertical member connecting the ridge and tie beam is called the _______, and it primarily acts in _______.
(a)
In a queen post truss, the horizontal member joining the tops of the two queen posts is called a (a)
match the following
Lean to roof
Slopes in one direction
Gable roof
Two sloping surfaces meeting at ridge
Hipped roof
Slopes in four directions
Deck roof
Flat roof surface
One-Word Answer: Decorative covering of exposed timber surfaces with thin wood slices → (a)
