In the construction of arches, sand box method is used for
Centring
Actual laying of arch work
Striking of centring
None of the above
Correct Answer :
C. Striking of centring
Related Questions
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
The vertical distance between the springing line and highest point of the inner curve of an arch is known as
Intrados
Rise
Spandril
Extrados
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 minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is
10 cm
15 cm
20 cm
25 cm
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 under surface of an arch, is called
Soffit
Intrados
Haunch
Back
A covering of concrete placed on the exposed top of an external wall, is known as
Cornice
Coping
Frieze
Lintel
The stone whose crushing strength is maximum, is
Granite
Chalk
Slate
Sand stone
Cavity wall is generally provided for
Heat insulation
Sound insulation
Prevention of dampness
All the above
The lower half portion between crown and skew back of the arch, is called
Spandril
Haunch
Springing
Soffit
The maximum total settlement for raft foundation on clayey soils should be limited to
25 mm
25 to 40 mm
40 to 65 mm
65 to 100 mm
The type of bond in a brick masonry containing alternate courses of stretchers and headers, is called
Flemish bond
English bond
Stretcher bond
Header bond
In soft clay of low bearing capacity, the type of steel pile generally used, is
H-pile
Screw pile
Disc pile
Pipe pile
To stagger vertical joints in successive courses of a wall, a piece of brick is generally used at the end of the course, which is known as
Bat
Header
Stretcher
Closer
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
Engineering news formula for obtaining safe bearing capacity of pile for drop hammer, is,
Q = Wh/6 (S + 2.5)
Q = Wh/2.5 (S + 6)
Q = (W × 6)/h (S + 2.5)
Q = (W × 2.5)/6 (S + h)
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 19 cm × 9 cm side of a brick as seen in the wall face, is generally known as
Stretcher
Face
Front
Header
Nogging of a common wooden partition is
Upper horizontal wooden member
Lower horizontal wooden member
Intermediate horizontal wooden member
Vertical wooden member
For brick construction, the lime-sand mortar, is
1 : 1
1 : 2
1 : 3
1 : 4
A wooden block hinged on post outside a door, is known
Cleat
Stop
Horn
None of these
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
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
Pick up the correct statement from the following:
The cost of square rooms is less
The expenditure on the foundation and roof for the double storeyed building is nearly half of that for the ground storeyed building
The cost of construction of a house may be minimised by restricting the height floors
All the above
The sound which continues even after its source is cut off, is called
Reverberation
Echo
Intensity of sound
Interference
The process of working a flat for the finishing coat, is known
Dubbing out
Floating
Knitting
Blistering
If height of the first storey of a building is 3.2 m and riser is 13 cm, the number of treads required, is
12
18
24
25
A cut in frame of a door to receive the shutter, is called
Louver
Stop
Horn
Rebate
In flat roof of reinforced cement concrete, the recommended angle of slope, is
Zero
A few degrees
10°
200°
Black cotton soil is unsuitable for foundations because its
Bearing capacity is low
Permeability is uncertain
Particles are cohesive
Property to undergo a volumetric change due to variation of moisture content