While designing a stair, the product of rise and going is approximately kept equal to
350
420
450
500
Correct Answer :
B. 420
Related Questions
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 inclined support at the ends of treads and rises of a stair, is known as
Baluster
Header
String
Beam
Depth or height of the arch is the
Perpendicular distance between intrados and extrados
Vertical distance between springing line and intrados
Perpendicular distance between springing line and extrados
None of the above
A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to
10 %
15 %
20 %
25 %
In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to
Increase the depth of foundation
Drain the soil
Compact the soil
Replace the poor soil
The projections of head or sill of a door or window frame are
Transoms
Horns
Stops
Chocks
To construct a 10 cm thick partition wall, you will prefer
English bond
Flemish bond
Header bond
Stretcher bond
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 angle between skew back of a flat arch and the horizontal, is kept approximately equal to
0°
30°
60°
90°
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
The width of the hollow space between two walls of a cavity wall should not exceed
5 cm
7.5 cm
10 cm
15 cm
In the construction of arches, sand box method is used for
Centring
Actual laying of arch work
Striking of centring
None of the above
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
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
A wall constructed to resist the pressure of an earth filling, is called
Retaining wall
Breast wall
Buttress
Parapet wall
In soils possessing low bearing capacity, the type of foundation generally provided, is
Column footing
Grillage footing
Raft footing
All the above
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
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
The maximum permissible deflection of a timber beam supporting a roof, is
L/100
L/150
L/260
L/360
The form work from the underside of slabs, can be removed only after
1 day
4 days
7 days
14 days
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
The raft slab is projected beyond the outer walls of the structure by
5 to 10 cm
15 to 20 cm
25 to 30 cm
30 to 45 cm
The portion of a brick cut across the width, is called
Closer
Half brick
Bed
Bat
The position of a brick when laid on its side 9 cm × 9 cm with its frog in the vertical plane, is called
Brick on edge
Brick on end
Brick on bed
Brick held vertically
The vertical member running through middle of a shutter frame, is
Style
Reveal
Mullion
Post
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 which of the following pairs both trees yield soft wood?
Deodar and Shishum
Chir and sal
Sal and teak
Chir and deodar
Pick up the correct statement from the following:
A combined footing is so proportioned that centre of gravity of supporting area coincides with centre of gravity of two column loads
A combined footing may be either rectangular or trapezoidal in shape
Trapezoidal shaped footings may be provided under any loading
All the above
Pick up the correct statement from the following:
English bond is used for brick masonry to support heavy loads
Double-Flemish bond is suitable for brick masonry to give uniform face appearance
The stretcher bond is used for the construction of half brick masonry brick
All the above
Pick up the correct statement from the following:
The first coat of stucco plaster is called scratch coat
The second coat of stucco plaster is called brown coat
The third coat of stucco plaster is called white coat
All the above