The local swelling of a finished plaster, is termed
Cracking
Dubbing
Blistering
Hacking
Correct Answer :
C. Blistering
Related Questions
The form work from the sides of beams can be removed only after
1 day
4 days
7 days
14 days
Which one of the following piles has a cast iron shoe even after removal of the hollow cylindrical steel casing?
Simplex pile
Pedestal pile
Vibro pile
Both (a) and (c) of the above
Ornamental moulded course placed on the top of a wall, is
Cornice
Coping
Frieze
Lintel
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
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
Exposed portions of vertical surface at right angles to the door or window frame, are known as
Jambs
Lintels
Reveals
Soffits
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 foundation in which a cantilever beam is provided to join two footings, is known as
Strip footing
Strap footing
Combined footing
Raft footing
The concrete slump recommended for beams and slabs; is
25 to 50 mm
25 to 75 mm
30 to 125 mm
50 to 100 mm
The maximum number of steps in a flight should generally be restricted to
10
12
15
No limit
Pick up the incorrect statement from the following:
Cement is added to lime mortar to increase its hydraulic properties only
Lime surkhi mortar is used for pointing the walls
Lime should be slaked before preparing lime mortar
High early strength concrete is generally used in cold weather
Pick up the correct statement about silt soil from the following:
The silt soil has particle size from 0.02 mm to 0.06 mm
In organic fine grained silt soil possesses no plasticity
The least plastic type normally consists of more or less equidimensional grains of quartz
All the above
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 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
Mansard roof is a roof which slopes in
Two directions without break in the slope on each side
Two directions with break in the slope on each side
Four directions without break in the slope on each side
Four directions with break in the slope on each side
During percussion drilling
Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole
Caving or mixing of strata are caused in soft soils or cohesionless soils
The soil to a considerable depth below the bottom of the hole gets disturbed
All the above
The sound which continues even after its source is cut off, is called
Reverberation
Echo
Intensity of sound
Interference
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)
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
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 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
In horizontal D.P.C, thickness of cement concrete (1 : 2 : 4) is
2 cm
4 cm
6 cm
8 cm
The depth of the ground water table may be ascertained by
Looking through the well in the vicinity
Standing on the well in the vicinity
Measuring the depth of water in the well
None of the above
The projections of head or sill of a door or window frame are
Transoms
Horns
Stops
Chocks
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 pile which supports the load due to friction between pile face and surrounding soil, is generally known as
Bearing pile
Friction pile
Sheet pile
Battered pile
The depth of excavation of foundations, is generally measured with a
Ranging rod
Steel tape
Levelling staff
Boning rod
The piece of a brick cut along the centre of width in such a way that its length is equal to that of full brick, is called
Half brick
Queen closer
King closer
Bevelled closer
The strength of brick masonry in 1:6 cement mortar, is
20 tonnes/m2
40 tonnes/m2
50 tonnes/m2
60 tonnes/m2
The nominal thickness of an expansion joint in brick walls, is kept more than
5 mm
10 mm
15 mm
20 mm