Cavity wall is generally provided for
Heat insulation
Sound insulation
Prevention of dampness
All the above
Correct Answer :
D. All the above
Related Questions
The depth of the ground water table may be ascertained by
Looking through the well in the vicinity
Standing on the well in the vicinity
Measuring the depth of water in the well
None of the above
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
The form work from the sides of beams can be removed only after
1 day
4 days
7 days
14 days
In soft clay of low bearing capacity, the type of steel pile generally used, is
H-pile
Screw pile
Disc pile
Pipe pile
In ordinary residential and public buildings, the damp proof course is generally provided at
Ground level
Plinth level
Water table level
Midway ground level and water-table level
The nominal thickness of an expansion joint in brick walls, is kept more than
5 mm
10 mm
15 mm
20 mm
In horizontal D.P.C, thickness of cement concrete (1 : 2 : 4) is
2 cm
4 cm
6 cm
8 cm
The type of bond in which every course contains both headers and stretchers, is called
English bond
Flemish bond
Russian band
Mixed bond
Pick up the correct statement from the following:
Sand consists of coarse particles of silica formed due to the disintegration of rocks
The grains of sand are not affected by frost
Sand beds are permeable and do not allow water to rise up between pores due to capillary action
All the above
Pick up the correct statement from the following:
In a king post truss, principal rafter and tie beams are jointed together with a bridle joint
Joint between the principal rafter and the king post is made by making tenon and mortise respectively
Joint between strut and king post, is generally of mortise and tenon type
All the above
Dampness causes
Efflorescence
Bleaching of paints
Crumbling of plaster
Growth of termites
The triangular portion between any two adjacent arches and the tangent to their crowns, is
Haunch
Spandril
Soffit
Rise
Single Flemish bond consists of
Double Flemish bond facing and English bond backing in each course
English bond facing and double Flemish bond backing in each course
Stretcher bond facing and double Flemish bond backing in each course
Double Flemish bond facing and header bond backing in each course
Pick up the correct statement from the following:
D.P.C. should be continuous
D.P.C. should be of good impervious material
D.P.C. may be horizontal or vertical
All the above
The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as
Hip
Gable
Ridge
Eaves
The exterior angle between outer faces of a wall, is known as
Turn
Junction
Quion
All the above
The angle between skew back of a flat arch and the horizontal, is kept approximately equal to
0°
30°
60°
90°
To ensure that supporting area of an offset footing of a boundary wall is fully compressive, the C.G. of load must act
At the centre of the base
Within the middle third of the base
Within the middle fifth of the base
Neither (a), (b) nor (c)
Vertical construction joints are provided where the shearing forces are minimum in the case of
Slabs
Beams
Girders
All of these
According to Rankine's formula, minimum depth of foundations, is
(P/w) × [(1 + sin φ)/(1 - sin φ)]²
(P/w) × [(1 - sin φ)/(1 + sin φ)]²
(P/2w) × [(1 - sin φ)/(1 + sin φ)]²
(P/w) × [(1 + sin φ)/(1 - sin φ)]
Pick up the correct statement from the following:
Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster
For very cold or very hot climate, a compact and closed plan should be provided
On the sea coast, an exposed and open house is generally preferred
All the above
To stagger vertical joints in successive courses of a wall, a piece of brick is generally used at the end of the course, which is known as
Bat
Header
Stretcher
Closer
The type of joint commonly used at the junction of a principal rafter and tie beam in timber trusses is
Mortise and tenon joint
Oblique mortise and tenon joint
Butt joint
Mitred joint
The maximum total settlement for isolated foundations on clayey soils should be limited to
25 mm
40 mm
65 mm
100 mm
Minimum width of landing should be
Equal to width of stairs
Half the width of stairs
Twice the width of stairs
One fourth the width of stairs
Sum of tread and rise must lie between
300 to 350 mm
400 to 450 mm
500 to 550 mm
600 to 650 mm
Brick nogging type of partition wall, is constructed by
Laying bricks as stretchers in cement mortar
Laying bricks as headers in cement mortar
Reinforcing brick wall with iron straps
Constructing brick work within a wooden framework
To support a heavy structure in sandy soil, the type of foundation generally used, is
Combined footing
Raft footing
Pier footing
Strap footing
The vertical posts placed at the top and bottom ends of a flight supporting the hand rail are known as
Balusters
Newel posts
Balustrades
Railings
A floor constructed with the 4 to 6 mm marble chips, is know
Reinforced marble floor
Terrazzo floor
Marble floor
Chip floor