Gravels
Are cohesionless aggregates
Vary in size between 2 to 20 mm
Never swell when they come into contact with water
All the above
Correct Answer :
D. All the above
Related Questions
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 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
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
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
Nogging of a common wooden partition is
Upper horizontal wooden member
Lower horizontal wooden member
Intermediate horizontal wooden member
Vertical wooden member
For a rectangular foundation of width b, eccentricity of load should not exceed
b/2
b/3
b/4
b/6
The bond in which headers and stretchers are laid in alternate courses and every stretcher course is started with a three fourth brick bat, is known as
English cross bond
Dutch bond
Monk bond
Rat-trap bond
Rotary drilling
Is not suitable for deposits containing very coarse gravel
Hinders the ground water observations and permeability test
Is not economical for holes of less than 10 cm
All the above
The maximum number of steps in a flight should generally be restricted to
10
12
15
No limit
A stair should not have pitch more than
25°
30°
40°
50°
For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than
h/4
1/2 h
h
2 h
Pick up the incorrect statement from the following:
Cement is added to lime mortar to increase its hydraulic properties only
Lime surkhi mortar is used for pointing the walls
Lime should be slaked before preparing lime mortar
High early strength concrete is generally used in cold weather
In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used
Vibro pile
Pressure pile
Franki pile
Pedestal pile
The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed
5 m
10 m
15 m
20 m
The steel pile which is generally sunk in soft clay or loose sand of low bearing capacity, is
H-pile
Pipe pile
Screw pile
Disc pile
The stepped structure provided for lateral support of a structure, is
Retaining wall
Breast wall
Buttress
Parapet wall
The inclined support at the ends of treads and rises of a stair, is known as
Baluster
Header
String
Beam
As compared to English bond, double Flemish bond is
Stronger
More compact
Costly
None of the above
Pick up the correct statement from the following:
The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement
The safe bearing capacity of a pile is obtained by dividing the ultimate bearing capacity with a suitable factor of safety
The factor of safety for piles is taken as 6
All the above
The compaction of concrete in the drilled pile hole is done by compressed air in the case of
Simplex pile
Franki pile
Pressure pile
Vibro pile
Exposed portions of vertical surface at right angles to the door or window frame, are known as
Jambs
Lintels
Reveals
Soffits
To obtain good bonding in brick masonry
First class bricks are used
Vertical joints in alternate courses are kept in plumb line
Bats are used where necessary
All the above
The X-ray rooms are plastered with
Plaster of Paris
Barium plaster
Martin's cement
Keen's cement
To support a heavy structure in sandy soil, the type of foundation generally used, is
Combined footing
Raft footing
Pier footing
Strap footing
Two columns 50 cm × 50 cm and 60 cm × 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:
Distance of C.G. of the loads from the smaller column = 3.00 m
The length of the foundation slab = 7.00 m
Area of footing slab = 11.00 m2
All the above
The sill of a common wooden partition is
Vertical wooden member on either end
Lower horizontal wooden member
Upper horizontal wooden member
Intermediate horizontal wooden member
The opening provided in sloping roof with its top parallel to the roof surface, is called
Dormer window
Sky light window
Lantern window
Louvered window
The stone blocks approximately triangular in shape, used as steps, are known
Stone steps
Built up steps
Spandril steps
None of these
The maximum total settlement for raft foundation on clayey soils should be limited to
25 mm
25 to 40 mm
40 to 65 mm
65 to 100 mm
A wooden block hinged on post outside a door, is known
Cleat
Stop
Horn
None of these