Negative skin friction
Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile
Develops due to lowering of ground water
Both (a) and (b)
Neither (a) not (b)
Correct Answer :
C. Both (a) and (b)
Related Questions
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 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
The inclined surface of an abutment to receive the arch, is known as
Skew back
Soffit
Spandril
Haunch
The vertical member running through middle of a shutter frame, is
Style
Reveal
Mullion
Post
While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful:
Pile formation
Raft foundation
Grillage foundation
None of these
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
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
The ceiling height of a building is
Between ceiling and ground level
Between ceiling and floor level
Upto roof above ground level
Upto ceiling from the ground level
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
The window which is provided in flat roof of a room, is known
Dormer window
Lantern window
Louvered window
Sky window
Stability of an existing structure may be disturbed by
Rising of water table
Vibrations caused by traffic movements
Mining in the neighbourhood
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
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 entrained concrete is used in lining walls and roofs for making
Heat insulated
Sound insulated
Neither (a) nor (b)
Both (a) and (b)
As compared to English bond, double Flemish bond is
Stronger
More compact
Costly
None of the above
The black cotton soil
Undergoes volumetric changes
Swells excessively when wet
Shrinks excessively when dry
All the above
Pick up the incorrect statement from the following:
The retaining wall should be structurally capable to resist the applied earth pressure
The section of the retaining wall should be so proportioned that it may not overturn by the lateral pressure
The retaining wall should be safe against sliding
To drain off water from the earth retained, weep holes are provided near the top of the retaining wall
Suitable spacing of timber piles, is
50 cm
60 cm
80 cm
90 cm
Open test pit is only suitable upto a depth of
2 metres
2.5 metres
3 metres
None of 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 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
Exposed portions of vertical surface at right angles to the door or window frame, are known as
Jambs
Lintels
Reveals
Soffits
The angle between skew back of a flat arch and the horizontal, is kept approximately equal to
0°
30°
60°
90°
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
Two columns 50 cm × 50 cm and 60 cm × 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:
Distance of C.G. of the loads from the smaller column = 3.00 m
The length of the foundation slab = 7.00 m
Area of footing slab = 11.00 m2
All the above
A wall constructed to resist the pressure of an earth filling, is called
Retaining wall
Breast wall
Buttress
Parapet wall
The foundation in which a cantilever beam is provided to join two footings, is known as
Strip footing
Strap footing
Combined footing
Raft footing
Pick up the incorrect statement from the following:
The width of the wall is constructed thicker at the base in a stepped fashion
A long vertical load transferring concrete structure is called a concrete pile
In pile which transfers the load to the soil by the friction between the pile and the surrounding soil is called friction pile
The pile which transfers the load to a hard rock bed at certain depth is called load bearing
Pick up the incorrect statement from the following:
In Flemish bond, headers and stretchers are laid alternately in the same course
In Flemish bond every header in each course lies centrally over every stretcher of the underlying course
In English bond, stretchers are laid in every course
In English bond, headers and stretchers are laid in alternate courses
The lintels are preferred to arches because
Arches require more headroom to span the openings like doors, windows etc.
Arches require strong abutments to withstand arch thrust
Arches are difficult in construction
All of the above