Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
Correct Answer :
A. Water logged soils
Related Questions
In ordinary residential and public buildings, the damp proof course is generally provided at
Ground level
Plinth level
Water table level
Midway ground level and water-table level
Pick up the correct statements from the following:
Cracks appear on the plastered surface in the form of hair cracks
In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
Excessive thermal variations in the backing or plaster causes the plaster to fall
All the above
The process of filling hollow spaces of walls before plastering, is known
Hacking
Dubbing out
Blistering
Peeling
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
The floor is rubbed with oxalic acid, for making its surface
Free from voids
Glossy
Durable
Uniform
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
The bearing capacity of piles is determined by
Dynamic formula
Static formula
Pile load tests
All the above
The inclined surface of an abutment to receive the arch, is known as
Skew back
Soffit
Spandril
Haunch
Couple close roof is suitable for maximum span of
2.5 m
3.5 m
4.5 m
5.5 m
The stone whose crushing strength is least, is
Granite
Chalk
Marble
Slate
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
Expansion joints in masonry walls are provided if length exceeds
10 m
20 m
30 m
40 m
An ordinary concrete may be made water proof by adding
Pudlo
Impermo
Snowcem
All of these
Pick up the commonly adopted geophysical method in civil engineering from the following:
The seismic method
Electrical resistivity method
Gravitational method
Both (a) and (b) of the above
The depth of concrete bed of the foundation depends upon
The projection of the concrete block beyond the footing over it
The upward soil pressure
The mix of the concrete
All the above
The wedge shaped bricks forming an arch ring, are called
Soffits
Voussoirs
Haunches
Spandrils
The type of pile which is driven at an inclination to resist inclined forces is known as
Friction pile
Sheet pile
Batter pile
Anchor pile
The vertical members fixed between steps and hand rail, are known
Balusters
Strings
Newel posts
Soffits
The service area in a building means the area occupied by
Stairs
Toilets
Light and shafts
All the above
Under reamed piles are generally used for
Machine foundations
Factory building
Tall structures
All the above
The minimum width of a stair in residential buildings, is
55 cm
70 cm
85 cm
100 cm
Raft foundations are used for:
Providing increased area of foundation over poor bearing capacity of soil
Spanning over small soft or loose pockets
Counter acting the hydrostatic effect
All the above
Pick up the correct statement from the following:
The roof slabs of multi-storeyed buildings are constructed monolithically to carry the various floor loads
The beams of multi-storeyed buildings rest on girders and are the main load transferring members to the columns
The slab is spanned across the secondary beams provided between the main beams
All of these
The number of steps in a flight generally should not be less than
2
3
5
No limit
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
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
While designing a stair, the product of rise and going is approximately kept equal to
350
420
450
500
According to Rankine's formula, minimum depth of foundations, is
(P/w) × [(1 + sin φ)/(1 - sin φ)]²
(P/w) × [(1 - sin φ)/(1 + sin φ)]²
(P/2w) × [(1 - sin φ)/(1 + sin φ)]²
(P/w) × [(1 + sin φ)/(1 - sin φ)]
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)
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