The foundations are placed below ground level, to increase
Strength
Workability
Stability of structure
All the above
Correct Answer :
C. Stability of structure
Related Questions
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 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
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
The vertical distance between the springing line and highest point of the inner curve of an arch is known as
Intrados
Rise
Spandril
Extrados
The window which is provided in flat roof of a room, is known
Dormer window
Lantern window
Louvered window
Sky window
Pick up the correct statement from the following:
Plain cement concrete is equally strong in compression as well as in tension
Slump test is performed to check concrete strength
Curing of concrete is done for proper compaction of cement
Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates
The nominal thickness of one brick wall in mm, is
90 mm
150 mm
190 mm
200 mm
Which of the following metal sheets is most effective in preventing dampness?
Copper sheets
Lead sheets
Aluminium sheets
All the above
Raft foundation are generally preferred to when the area required for individual footing, is more than
25% to total area
30% of total area
40% to total area
50% of total area
Cast iron piles
Are suitable for works under sea water
Resist shocks or vibrations
Are suitable for use as batter piles
Are useful for heavy vertical loads
The entrained concrete is used in lining walls and roofs for making
Heat insulated
Sound insulated
Neither (a) nor (b)
Both (a) and (b)
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:
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 foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as
Combined footing
Strap footing
Raft footing
None of these
The alignment of a cross joint along the plumb line is
Bed block
Perpend
Lintel
Vertical line
The wedge shaped bricks forming an arch ring, are called
Soffits
Voussoirs
Haunches
Spandrils
The vertical posts placed at the top and bottom ends of a flight supporting the hand rail are known as
Balusters
Newel posts
Balustrades
Railings
The vertical members fixed between steps and hand rail, are known
Balusters
Strings
Newel posts
Soffits
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 local swelling of a finished plaster, is termed
Cracking
Dubbing
Blistering
Hacking
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 process of filling hollow spaces of walls before plastering, is known
Hacking
Dubbing out
Blistering
Peeling
Herringbone bond is used for
Walls having thickness more than 4 bricks
Architectural finish to the face work
Ornamental panels in brick flooring
All the above
In case of Raymond pile
Lengths vary from 6 m to 12 m
Diameter of top of piles varies from 40 cm to 60 cm
Diameter of pile at bottom varies from 20 cm to 28 cm
All the above
The line of intersection of two surfaces of a sloping roof forming an internal angle less than 180°, is known as
Ridge
Hip
Valley
None of these
Rotary drilling is the fastest method in case of
Rocky soils
Clay soils
Sandy soil
All 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
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 clay soil
Swelling and shrinkage characteristics prevail
Consolidation continues even after several years of construction
Differential settlement is generally prevalent
All the above
For providing a raft foundation, the following activities are involved
1. Ramming the foundation bed
2. Excavation of the soil upto required depth
3. Laying the reinforcement over the foundation bed
4. Curing the cement concrete placed over reinforcement
5. Pouring the cement concrete over the reinforcement The correct sequence is
1, 2, 3, 4, 5
5, 4, 3, 2, 1
2, 1, 3, 5, 4
3, 2, 5, 1, 4