The differential settlement in case of foundations on sandy soils should not exceed
25 mm
40 mm
65 mm
100 mm
Correct Answer :
A. 25 mm
Related Questions
Rotary drilling
Is not suitable for deposits containing very coarse gravel
Hinders the ground water observations and permeability test
Is not economical for holes of less than 10 cm
All the above
In a colar beam roof
There is no horizontal tie beam
There is a horizontal tie at the feet of rafters only
There is a horizontal tie at almost the middle of rafters only
There are two horizontal ties, one at the feet and other at the middle of the rafters
The vertical faces of a door opening which support frame of the door, are
Jambs
Posts
Reveals
Styles
An arch may fail due to
Uneven settlement of abutments
Sliding of voussoirs
Crushing of the material
All the above
The type of flooring suitable for use in churches, theatres, public libraries and other places where noiseless floor covering is desired is
Cork flooring
Glass flooring
Wooden flooring
Linoleum flooring
The mortar in which both cement and lime are used as binding materials, is called
Cement mortar
Lime mortar
Fire resistant mortar
Gauged mortar
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
The form work from the underside of slabs, can be removed only after
1 day
4 days
7 days
14 days
In flat roof of reinforced cement concrete, the recommended angle of slope, is
Zero
A few degrees
10°
200°
The predominant constituent which is responsible for strength in granite is
Quartz
Felspar
Mica
None of the above
The process of making the back ground rough, before plastering, is
Dubbing
Hacking
Blistering
Peeling
The entrained concrete is used in lining walls and roofs for making
Heat insulated
Sound insulated
Neither (a) nor (b)
Both (a) and (b)
Rotary drilling is the fastest method in case of
Rocky soils
Clay soils
Sandy soil
All of these
The type of pointing in which a V-shaped projection outside the wall surface, is provided, is called
Recessed pointing
Weather pointing
V-pointing
Tuck pointing
The number of steps in a flight generally should not be less than
2
3
5
No limit
The window which projects outside a room of a building for admitting more light and air, is known
Bay window
Casement window
Lantern window
Dormer window
The form work from the slabs excluding props, can be removed only after
1 day
4 days
7 days
14 days
The important test to be conducted on a stone used in docks and harbours is
Hardness test
Workability test
Weight test
Toughness test
Higher pitch of the roof
(i) Results in stronger roof
(ii) Results in weaker roof
(iii) Requires more covering material
(iv) Requires less covering material
The correct answer is
(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)
Pile foundation is generally provided if soil is
Compressible
Water logged
Made up
All the above
To support a heavy structure in sandy soil, the type of foundation generally used, is
Combined footing
Raft footing
Pier footing
Strap footing
The maximum total settlement for isolated foundations on clayey soils should be limited to
25 mm
40 mm
65 mm
100 mm
Safe bearing capacity of black cotton soil varies from
2 to 3 t/m2
5 to 7.5 t/m2
8 to 10 t/m2
10 to 12 t/m2
The bearing capacity of a water logged soil, may be improved by
Grouting
Chemical action
Drainage
Compaction
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
A wall constructed to resist the pressure of an earth filling, is called
Retaining wall
Breast wall
Buttress
Parapet wall
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
Open test pit is only suitable upto a depth of
2 metres
2.5 metres
3 metres
None of the above
The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as
Haunch
Spandril
Voussoirs
Skewbacks
Pick up the incorrect statement from the following:
Horizontal D.P.C. is provided at plinth level in internal walls
D.P.C. is provided under door and verandah openings
Vertical D.P.C. is not provided in internal walls
Cement concrete is a rigid damp-proofing material