The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to
10 mm
20 mm
30 mm
40 mm
Correct Answer :
D. 40 mm
Related Questions
Ornamental moulded course placed on the top of a wall, is
Cornice
Coping
Frieze
Lintel
As compared to English bond, double Flemish bond is
Stronger
More compact
Costly
None of the above
In which of the following directions, the strength of timber is maximum?
Parallel to grains
45° to grains
Perpendicular to grains
Same in all directions
The vertical faces of a door opening which support frame of the door, are
Jambs
Posts
Reveals
Styles
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
Bearing capacity of soils cannot be improved by
Draining sub-soil water
Ramming crushed stone in soil
Driving sand piles
Watering surface of soil
The thickness of a reinforced brick partition wall, is generally kept
5 cm
10 cm
15 cm
20 cm
If the depth of an excavation is 20 metres, number of single stage well points to be installed at various levels, is
5
4
3
2
The wedge shaped bricks forming an arch ring, are called
Soffits
Voussoirs
Haunches
Spandrils
The vertical distance between the springing line and highest point of the inner curve of an arch is known as
Intrados
Rise
Spandril
Extrados
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)
Pick up the correct statement from the following:
The cost of square rooms is less
The expenditure on the foundation and roof for the double storeyed building is nearly half of that for the ground storeyed building
The cost of construction of a house may be minimised by restricting the height floors
All the above
The minimum distance between the centres of bulb of diameter du, of a multi under reamed piles, is
du
1.25 du
1.5 du
1.75 du
For different layers of cement concrete floor. Pick up the incorrect statement from the following:
The lowest layer consists of consolidated ground
A 10 cm thick clean sand is laid on consolidated ground
A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer
Pick up the correct statement from the following:
The pile driven in sand is called sand pile
The drilled hole filled with sand is called sand pile
The sand piles are used for bearing purposes
None of these
The type of roof which slopes in two directions with a break in the slope on each side is known as
Gable roof
Hip roof
Gambrel roof
Mansard roof
A pre-stressed concrete pile is
Easy to handle
Lighter in weight
Extremely durable
All the above
The piece of a brick cut along the centre of width in such a way that its length is equal to that of full brick, is called
Half brick
Queen closer
King closer
Bevelled closer
Pitched and sloping roofs are suitable for
Coastal regions
Plain regions
Covering large areas
All of the above
The process of filling hollow spaces of walls before plastering, is known
Hacking
Dubbing out
Blistering
Peeling
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
The raft slab is projected beyond the outer walls of the structure by
5 to 10 cm
15 to 20 cm
25 to 30 cm
30 to 45 cm
During percussion drilling
Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole
Caving or mixing of strata are caused in soft soils or cohesionless soils
The soil to a considerable depth below the bottom of the hole gets disturbed
All the above
The foundation in which a cantilever beam is provided to join two footings, is known as
Strip footing
Strap footing
Combined footing
Raft footing
The type of pointing in which upper side of mortar joints is kept about 12 mm inside the face of the masonry and bottom is kept flushed with face of wall, is
Truck pointing
Recessed pointing
Struck pointing
Grooved pointing
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 depth of an arch is the distance between
Ground level and springing line
Crown and springing line
Crown and ground level
Intrados and extrados
For constructing a terrazzo floor, Pick up the incorrect statement from the following:
A base course is prepared as in cement concrete flooring
A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
Glass strips are driven into the layer according to the pattern required
After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material
Arches in the form of masonry arcs struck from more than four centres, are called
Two curved arches
Gothic arches
Ogee arches
Drop gothic arches
The rock formed from the solidification of molten matter (magma) is called:
Sedimentary rock
Metamorphic rock
Igneous rock
None of the above