In soft clay of low bearing capacity, the type of steel pile generally used, is
H-pile
Screw pile
Disc pile
Pipe pile
Correct Answer :
B. Screw pile
Related Questions
Pick up the consideration to the taken while designing a hospital from the following:
The operation theatre unit to be detached as it requires sterilized zone but near the ward for the patients and doctor
The mortuary should be detached from the main circulation with a post-mortem room
Casualty unit should be provided a separate entrance
All the above
Depth of lean concrete bed placed at the bottom of a wall footing, is kept
10 cm
15 cm
Equal to its projection beyond wall base
Less than its projection beyond wall base
The number of steps in a flight generally should not be less than
2
3
5
No limit
Couple roof is used for spans
3.5 m or less
3.5 m but less than 5 m
5 m but less than 6.5 m
6.5 m but less than 8 m
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
The rock formed from the solidification of molten matter (magma) is called:
Sedimentary rock
Metamorphic rock
Igneous rock
None of the above
To support a heavy structure in sandy soil, the type of foundation generally used, is
Combined footing
Raft footing
Pier footing
Strap footing
Best type of piles for soft soil having little resistance to the flow of concrete, is
Simplex pile
Vibro pile
Raymond pile
Franki pile
Crown is located at
Highest point on the extrados of the arch
Highest point on the intrados of the arch
Skew-back of the arch
None of these
Open test pit is only suitable upto a depth of
2 metres
2.5 metres
3 metres
None of the above
Sum of tread and rise must lie between
300 to 350 mm
400 to 450 mm
500 to 550 mm
600 to 650 mm
The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to
10 mm
20 mm
30 mm
40 mm
The concrete slump recommended for columns, is
25 to 50 mm
25 to 75 mm
75 to 125 mm
50 to 100 mm
A projecting piece usually provided to support a truss, is
Cornice
Coping
Frieze
Lintel
The bearing capacity of granite is generally
5 to 10 kg/cm2
15 to 20 kg/cm2
30 to 35 kg/cm2
40 to 45 kg/cm2
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 pile which supports the load due to friction between pile face and surrounding soil, is generally known as
Bearing pile
Friction pile
Sheet pile
Battered pile
The process of working a flat for the finishing coat, is known
Dubbing out
Floating
Knitting
Blistering
The portion of a brick cut across the width, is called
Closer
Half brick
Bed
Bat
Rotary drilling is the fastest method in case of
Rocky soils
Clay soils
Sandy soil
All of these
The dimensions of a half queen closer, are
9 cm × 9 cm × 9 cm
9 cm × 9 cm × 4.5 cm
9 cm × 4.5 cm × 9 cm
1.8 cm × 4.5 cm × 9 cm
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
If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then
d = 0.445 a
d = 0.557 a
d = 0.775 a
None of these
Negative skin friction
Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile
Develops due to lowering of ground water
Both (a) and (b)
Neither (a) not (b)
The window which projects outside a room of a building for admitting more light and air, is known
Bay window
Casement window
Lantern window
Dormer window
In flat roof of reinforced cement concrete, the recommended angle of slope, is
Zero
A few degrees
10°
200°
The taper of precast concrete pile should not be more than
1 cm per metre length
2 cm per metre length
4 cm per metre length
5 cm per metre length
The process of making the back ground rough, before plastering, is
Dubbing
Hacking
Blistering
Peeling
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 wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called
Retaining wall
Breast wall
Buttress
Parapet wall