The minimum depth of foundation in clayey soils is
0.5 m
0.7 m
0.9 m
1.2 m
Correct Answer :
C. 0.9 m
Related Questions
The sound which continues even after its source is cut off, is called
Reverberation
Echo
Intensity of sound
Interference
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
Pick up the incorrect statement from the following:
In Flemish bond, headers and stretchers are laid alternately in the same course
In Flemish bond every header in each course lies centrally over every stretcher of the underlying course
In English bond, stretchers are laid in every course
In English bond, headers and stretchers are laid in alternate courses
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 columns of multi-storeyed buildings are designed to withstand the forces due to
Dead loads
Live loads
Wind loads
All of these
A stair should not have pitch more than
25°
30°
40°
50°
The process of making the back ground rough, before plastering, is
Dubbing
Hacking
Blistering
Peeling
As compared to stretcher course, the thickness of joints in header course should be
Less
More
Equal
Equal or more
In grillage foundations, distance between flanges of grillage beams, is kept
40 cm
Equal to flange width
Twice the flange width
Maximum of (a), (b) and (c)
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 number of steps in a flight generally should not be less than
2
3
5
No limit
The 9 cm × 9 cm side of a brick as seen in the wall face, is generally known as
Stretcher
Face
Front
Header
The concrete slump recommended for beams and slabs; is
25 to 50 mm
25 to 75 mm
30 to 125 mm
50 to 100 mm
The form work from the sides of beams can be removed only after
1 day
4 days
7 days
14 days
A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to
10 %
15 %
20 %
25 %
The inner section of a cavity wall, is generally known as
Buttress
Leaf wall
Pilaster
Pillar
The stone blocks approximately triangular in shape, used as steps, are known
Stone steps
Built up steps
Spandril steps
None of these
Pick up the correct statement from the following:
Cavity of a cavity wall should start near ground level
Cavity of a cavity wall should terminate near eaves level of sloping roof
Cavity of a cavity wall should terminate near coping of flat roof with parapet wall
All the above
Pick up the correct statement from the following:
A combined footing is so proportioned that centre of gravity of supporting area coincides with centre of gravity of two column loads
A combined footing may be either rectangular or trapezoidal in shape
Trapezoidal shaped footings may be provided under any loading
All the above
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
The minimum depth of foundation in clayey soils is
0.5 m
0.7 m
0.9 m
1.2 m
The differential settlement in case of foundations on sandy soils should not exceed
25 mm
40 mm
65 mm
100 mm
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 floor is rubbed with oxalic acid, for making its surface
Free from voids
Glossy
Durable
Uniform
The foundations are placed below ground level, to increase
Strength
Workability
Stability of structure
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
The type of bond in a brick masonry containing alternate courses of stretchers and headers, is called
Flemish bond
English bond
Stretcher bond
Header bond
Pick up the correct statement from the following:
Inclined borings are made for taking samples under existing structures
Inclined borings are occasionally used instead of vertical holes
The spacing of inclined borings is kept such that one bore hole is vertically above the bottom of an adjacent bore hole
All the above
The local swelling of a finished plaster, is termed
Cracking
Dubbing
Blistering
Hacking
Slate
Is a metamorphic rock
Splits into thin sheets along its bedding planes
Has a smooth surface and contains alumina and silica
Possesses good water absorption capacity