A stair should not have pitch more than
25°
30°
40°
50°
Correct Answer :
C. 40°
Related Questions
The under surface of an arch, is called
Soffit
Intrados
Haunch
Back
Pick up the incorrect statement from the following:
Horizontal D.P.C. is provided at plinth level in internal walls
D.P.C. is provided under door and verandah openings
Vertical D.P.C. is not provided in internal walls
Cement concrete is a rigid damp-proofing material
The minimum strength of the mortar used in load bearing brick masonry, is
50 N/cm2
100 N/cm2
150 N/cm2
200 N/cm2
The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as
Haunch
Spandril
Voussoirs
Skewbacks
Pick up the correct statements from the following:
Cracks appear on the plastered surface in the form of hair cracks
In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
Excessive thermal variations in the backing or plaster causes the plaster to fall
All the above
The sound which continues even after its source is cut off, is called
Reverberation
Echo
Intensity of sound
Interference
In clay soil
Swelling and shrinkage characteristics prevail
Consolidation continues even after several years of construction
Differential settlement is generally prevalent
All the above
The maximum total settlement for isolated foundations on clayey soils should be limited to
25 mm
40 mm
65 mm
100 mm
The type of joint commonly used at the junction of a principal rafter and tie beam in timber trusses is
Mortise and tenon joint
Oblique mortise and tenon joint
Butt joint
Mitred joint
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 service area in a building means the area occupied by
Stairs
Toilets
Light and shafts
All the above
Pile foundation is generally provided if soil is
Compressible
Water logged
Made up
All the above
Minimum width of landing should be
Equal to width of stairs
Half the width of stairs
Twice the width of stairs
One fourth the width of stairs
The process of making the back ground rough, before plastering, is
Dubbing
Hacking
Blistering
Peeling
For effective drainage, the finished surface of flat roof should have a minimum slope of
1 in 20
1 to 50
1 in 10
1 in 5
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
Couple roof is used for spans
3.5 m or less
3.5 m but less than 5 m
5 m but less than 6.5 m
6.5 m but less than 8 m
The angle between skew back of a flat arch and the horizontal, is kept approximately equal to
0°
30°
60°
90°
A floor constructed with the 4 to 6 mm marble chips, is know
Reinforced marble floor
Terrazzo floor
Marble floor
Chip floor
The voussoir placed at crown of an arch, is known as a
Key
Soffit
Springer
Haunch
Number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to
1/2
1
2
1/4
Pick up the correct statement from the following:
The pile driven in sand is called sand pile
The drilled hole filled with sand is called sand pile
The sand piles are used for bearing purposes
None 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
For different layers of cement concrete floor. Pick up the incorrect statement from the following:
The lowest layer consists of consolidated ground
A 10 cm thick clean sand is laid on consolidated ground
A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer
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
As compared to English bond, double Flemish bond is
Stronger
More compact
Costly
None of the above
The arrangement of supporting an existing structure by providing supports underneath, is known as
Shoring
Underpinning
Jacking
Piling
The stone blocks approximately triangular in shape, used as steps, are known
Stone steps
Built up steps
Spandril steps
None of these
For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than
h/4
1/2 h
h
2 h
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