The black cotton soil
Undergoes volumetric changes
Swells excessively when wet
Shrinks excessively when dry
All the above
Correct Answer :
D. All the above
Related Questions
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
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
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
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
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
Pick up the correct statement from the following:
Louvered door is generally provided in bath rooms
Flush door is generally provided in dining room
Revolving door is generally provided in cinema halls
Sliding door is generally provided in show rooms
The disease of dry rot in timber is caused by
Lack of ventilation
Alternate wet and dry conditions
Complete submergence in water
None of the above
A covering of concrete placed on the exposed top of an external wall, is known as
Cornice
Coping
Frieze
Lintel
Ornamental moulded course placed on the top of a wall, is
Cornice
Coping
Frieze
Lintel
A wall constructed to resist the pressure of an earth filling, is called
Retaining wall
Breast wall
Buttress
Parapet wall
The bearing capacity of a water logged soil, may be improved by
Grouting
Chemical action
Drainage
Compaction
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
The process of keeping concrete moist for a certain period after its finishing, is known as
Finishing of concrete
Curing of concrete
Placing of concrete
Compaction of concrete
In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to
Increase the depth of foundation
Drain the soil
Compact the soil
Replace the poor soil
The brick laid with its breadth parallel to the face of a wall, is known as
Header
Stretcher
Closer
None of these
The bearing capacity of a water logged soil can be improved by
Compacting the soil
Draining the soil
Increasing the depth of foundation
Grouting
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
Couple close roof is suitable for maximum span of
2.5 m
3.5 m
4.5 m
5.5 m
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 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
The function of king post in a king post roof truss is
To support the frame work of the roof
To receive the ends of principal rafter
To prevent the walls from spreading outward
To prevent the tie beam from sagging at its centre
The minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is
10 cm
15 cm
20 cm
25 cm
The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is
Ridge
Hip
Valley
None of these
The form Work including the props can be removed from beams, only after
3 day
7 days
14 days
21 days
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
Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below:
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Pick up the incorrect statement from the following:
The function of foundation is to distribute the load of super structure over a large bearing area
No timbering is required for shallow trenches
Shallow foundations can be constructed on made-up soil
Black cotton soil is very good for foundation bed
The platform at the end of a series of steps, is known as
Platform
Relief
Rest
Landing
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 least bearing capacity of soil is that of
Hard rock
Moist clay
Soft rock
Coarse sandy soil