The entrained concrete is used in lining walls and roofs for making
Heat insulated
Sound insulated
Neither (a) nor (b)
Both (a) and (b)
Correct Answer :
D. Both (a) and (b)
Related Questions
Couple close roof is suitable for maximum span of
2.5 m
3.5 m
4.5 m
5.5 m
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
A solid core of rock is formed inside the cylinder in the case of
Auger boring
Percussion drilling
Diamond drilling
Wash boring
The sound which continues even after its source is cut off, is called
Reverberation
Echo
Intensity of sound
Interference
The function of king post in a king post roof truss is
To support the frame work of the roof
To receive the ends of principal rafter
To prevent the walls from spreading outward
To prevent the tie beam from sagging at its centre
In English garden wall bond
One course of headers to three or five course of stretchers
Queen closer in provided in each heading course
The middle course of stretchers is started with a header to give proper vertical joints
All the above
The stone whose crushing strength is maximum, is
Granite
Chalk
Slate
Sand stone
The form work from the underside of slabs, can be removed only after
1 day
4 days
7 days
14 days
Black cotton soil is unsuitable for foundations because its
Bearing capacity is low
Permeability is uncertain
Particles are cohesive
Property to undergo a volumetric change due to variation of moisture content
The type of bond in which every course contains both headers and stretchers, is called
English bond
Flemish bond
Russian band
Mixed bond
The additional piles which are driven to increase the capacity of supporting loads on vertical piles, are known
Construction piles
Raking piles
Eccentric piles
Sinking piles
The black cotton soil
Undergoes volumetric changes
Swells excessively when wet
Shrinks excessively when dry
All the above
The position of a brick when laid on its side 9 cm × 9 cm with its frog in the vertical plane, is called
Brick on edge
Brick on end
Brick on bed
Brick held vertically
Pick up the correct statement about silt soil from the following:
The silt soil has particle size from 0.02 mm to 0.06 mm
In organic fine grained silt soil possesses no plasticity
The least plastic type normally consists of more or less equidimensional grains of quartz
All the above
Dado is usually provided in
Dining halls
Bath rooms
Living rooms
Verandah
While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful:
Pile formation
Raft foundation
Grillage foundation
None of these
The type of stone masonry in which stones of same height are laid in layers, is called
Random rubble masonry
Course rubble masonry
Uncoursed rubble masonry
Ashlar masonry
In verandah floors outward slope is
1 in 40
1 in 50
1 in 60
1 in 70
The important test to be conducted on a stone used in docks and harbours is
Hardness test
Workability test
Weight test
Toughness test
The number of steps in a flight generally should not be less than
2
3
5
No limit
Which one of the following activities is not correct as applicable to brick corbels?
The maximum projection of the corbel should not be more than the thickness of the wall
The maximum projection of each corbel course should be limited to a quarter brick at a time
The discontinuous corbels are used to carry heavy concentrated loads
Stretcher bond is generally used for the construction of brick corbel
In which of the following pairs both trees yield soft wood?
Deodar and Shishum
Chir and sal
Sal and teak
Chir and deodar
Nogging of a common wooden partition is
Upper horizontal wooden member
Lower horizontal wooden member
Intermediate horizontal wooden member
Vertical wooden member
An arch may fail due to
Uneven settlement of abutments
Sliding of voussoirs
Crushing of the material
All the above
The radial splits which are wider on the outside of the log and narrower towards the pith are known as
Heart shakes
Cupshakes
Starshakes
Rindgalls
In the method of tube boring of soil investigation, the following is essential:
A tube of about 2 metres length and 20 cm diameter with a cutting edge
A flap valve at the bottom of tube is provided to extract the soil sample
The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand
All the above
The columns of multi-storeyed buildings are designed to withstand the forces due to
Dead loads
Live loads
Wind loads
All of these
Higher pitch of the roof
(i) Results in stronger roof
(ii) Results in weaker roof
(iii) Requires more covering material
(iv) Requires less covering material
The correct answer is
(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)
A temporary rigid structure having platforms to enable masons to work at different stages of a building, is known as
Scaffolding
Dead shore
Raking shore
Under pinning
Which of the following metal sheets is most effective in preventing dampness?
Copper sheets
Lead sheets
Aluminium sheets
All the above