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
Correct Answer :
D. All the above
Related Questions
If the depth of an excavation is 20 metres, number of single stage well points to be installed at various levels, is
5
4
3
2
The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as
Hip
Gable
Ridge
Eaves
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
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 form work from the sides of beams can be removed only after
1 day
4 days
7 days
14 days
The Auger borings are not common
In soils that require lateral support
In cohesive soils
In soft soils
None of the above
The foundation in which a cantilever beam is provided to join two footings, is known as
Strip footing
Strap footing
Combined footing
Raft footing
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
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 pile provided with one or more bulles in its vertical shaft, is generally known as
Under-ream pile
Friction pile
Bearing pile
Sheet pile
A stair should not have pitch more than
25°
30°
40°
50°
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
As compared to stretcher course, the thickness of joints in header course should be
Less
More
Equal
Equal or more
The sound which continues even after its source is cut off, is called
Reverberation
Echo
Intensity of sound
Interference
The vertical member running through middle of a shutter frame, is
Style
Reveal
Mullion
Post
An arch may fail due to
Uneven settlement of abutments
Sliding of voussoirs
Crushing of the material
All the above
The alignment of a cross joint along the plumb line is
Bed block
Perpend
Lintel
Vertical line
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
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 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
An ordinary concrete may be made water proof by adding
Pudlo
Impermo
Snowcem
All of these
The strength of brick masonry in 1:6 cement mortar, is
20 tonnes/m2
40 tonnes/m2
50 tonnes/m2
60 tonnes/m2
The type of bond in which every course contains both headers and stretchers, is called
English bond
Flemish bond
Russian band
Mixed bond
A cut in frame of a door to receive the shutter, is called
Louver
Stop
Horn
Rebate
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
The arrangement made to support an unsafe structure temporarily, is known as
Shoring
Scaffolding
Underpinning
Jacking
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
In soft clay of low bearing capacity, the type of steel pile generally used, is
H-pile
Screw pile
Disc pile
Pipe pile
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 vertical sides of a door and window openings provided in a wall, are known as
Verticals
Reveals
Jambs
None of these