The process of filling hollow spaces of walls before plastering, is known
Hacking
Dubbing out
Blistering
Peeling
Correct Answer :
B. Dubbing out
Related Questions
In any good staircase, the maximum and minimum pitch respectively should be
90° and 0°
75° and 30°
60° and 10°
40° and 25°
A wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called
Retaining wall
Breast wall
Buttress
Parapet wall
The members which support covering material of a sloping roof, are
Rafters
Purlins
Battens
Struts
The form work from the underside of slabs, can be removed only after
1 day
4 days
7 days
14 days
The rock formed from the solidification of molten matter (magma) is called:
Sedimentary rock
Metamorphic rock
Igneous rock
None of the above
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
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
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
Pick up the correct statement from the following:
Isolated footing is provided under column to transfer the load safely to soil bed
Column footings may have steps or projections in the concrete base
Heavily loaded column base must be provided steel reinforcement in both directions
All the above
Pick up the correct statement from the following:
A mortar joint having a concave finishing in brick masonry, is called keyed joint
A mortar joint projecting beyond the face of a masonry wall, is called tucked joint
A mortar joint having a recess in it, is called ruled joint
All the above
The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called
Ridge board
Hip rafter
Eaves board
Valley rafter
The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than
The column spacing
One-third the column spacing
Half the column spacing
Three-fourth the column spacing
Arches in the form of masonry arcs struck from more than four centres, are called
Two curved arches
Gothic arches
Ogee arches
Drop gothic arches
Which one of the following factors is considered for the orientation of buildings?
The direction of the prevailing winds in the area
The exposure of the walls and roof of the buildings to the rays of sun
The extent up to which the sunrays penetrate with the verandah
All the above
The vertical distance between the springing line and highest point of the inner curve of an arch is known as
Intrados
Rise
Spandril
Extrados
Pick up the incorrect statement from the following:
In dog-legged stairs, no space between its flights is provided
In open newel stair, a rectangular well is provided
In geometric stair, a curved shaped well between forward and backward flights, is provided
In geometrical stair, two quarter space landing is provided
The line of intersection of two surfaces of a sloping roof forming an internal angle less than 180°, is known as
Ridge
Hip
Valley
None of these
The minimum depth of foundation in clayey soils is
0.5 m
0.7 m
0.9 m
1.2 m
The form Work including the props can be removed from beams, only after
3 day
7 days
14 days
21 days
The Auger boring method is not suitable for
Very hard soil
Cemented soil
Vary soft soil
All the above
In jack arch floor, the rise is kept
1/6th of the span
1/8th of the span
1/10th of the span
1/12th of the span
A wooden block hinged on post outside a door, is known
Cleat
Stop
Horn
None of these
A pre-stressed concrete pile is
Easy to handle
Lighter in weight
Extremely durable
All the above
If (φ) is the angle of repose of soil of weight w kg/m3, the horizontal pressure p at a depth of h metres per metre length of wall, is
wh × [(1 - sin φ)/(1 + sin φ)]
(wh/2) × [(1 - sin φ)/(1 + sin φ)]
wh × √[(1 - sin φ)/(1 + sin φ)]
wh × √[(1 + sin φ)/(1 - sin φ)]
The brick laid with its length parallel to the face of a wall, is a known as
Header
Stretcher
Closer
None of these
The important test to be conducted on a stone used in docks and harbours is
Hardness test
Workability test
Weight test
Toughness test
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 correct statement from the following:
Inclined borings are made for taking samples under existing structures
Inclined borings are occasionally used instead of vertical holes
The spacing of inclined borings is kept such that one bore hole is vertically above the bottom of an adjacent bore hole
All the above
The pile which is provided with a bulb filled with concrete at its lower end, is known as
Simplex pile
Mac-Arthur pile
Raymond pile
Franki pile
In the method of tube boring of soil investigation, the following is essential:
A tube of about 2 metres length and 20 cm diameter with a cutting edge
A flap valve at the bottom of tube is provided to extract the soil sample
The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand
All the above