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Quiz 5
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Q.1
Depth of lean concrete bed placed at the bottom of a wall footing, is kept
10 cm
15 cm
Equal to its projection beyond wall base
Less than its projection beyond wall base
Q.2
Pitched and sloping roofs are suitable for
Coastal regions
Plain regions
Covering large areas
All of the above
Q.3
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
Q.4
The bond in which headers and stretchers are laid in alternate courses and every stretcher course is started with a three fourth brick bat, is known as
English cross bond
Dutch bond
Monk bond
Rat-trap bond
Q.5
A wooden block hinged on post outside a door, is known
Cleat
Stop
Horn
None of these
Q.6
The window which is provided in flat roof of a room, is known
Dormer window
Lantern window
Louvered window
Sky window
Q.7
The window which is provided on a sloping roof of a building, is called
Lantern window
Dormer window
Louvered window
Rash window
Q.8
Grillage foundation
Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity
Is light and economical
Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
All the above
Q.9
A wall constructed to resist the pressure of an earth filling, is called
Retaining wall
Breast wall
Buttress
Parapet wall
Q.10
In grillage foundations, distance between flanges of grillage beams, is kept
40 cm
Equal to flange width
Twice the flange width
Maximum of (A), (B) and (C)
Q.11
An arch may fail due to
Uneven settlement of abutments
Sliding of voussoirs
Crushing of the material
All the above
Q.12
The process of keeping concrete moist for a certain period after its finishing, is known as
Finishing of concrete
Curing of concrete
Placing of concrete
Compaction of concrete
Q.13
According to Rankine's formula, minimum depth of foundations, is
(P/w) × [(1 + sin φ)/(1 - sin φ)]²
(P/w) × [(1 - sin φ)/(1 + sin φ)]²
(P/2w) × [(1 - sin φ)/(1 + sin φ)]²
(P/w) × [(1 + sin φ)/(1 - sin φ)]
Q.14
The maximum number of steps in a flight should generally be restricted to
10
12
15
No limit
Q.15
If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then
d = 0.445 a
d = 0.557 a
d = 0.775 a
None of these
Q.16
Weep holes are provided in retaining and breast walls
To drain off the water from the filling
To ventilate the stone masonry
To add architectural beauty
To increase compaction of the earth retained
Q.17
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
Q.18
In which of the following directions, the strength of timber is maximum?
Parallel to grains
Perpendicular to grains
Same in all directions
Q.19
In clay soil
Swelling and shrinkage characteristics prevail
Consolidation continues even after several years of construction
Differential settlement is generally prevalent
All the above
Q.20
Gravels
Are cohesionless aggregates
Vary in size between 2 to 20 mm
Never swell when they come into contact with water
All the above
Q.21
The Auger borings are not common
In soils that require lateral support
In cohesive soils
In soft soils
None of the above
Q.22
The predominant constituent which is responsible for strength in granite is
Quartz
Felspar
Mica
None of the above
Q.23
A cut in frame of a door to receive the shutter, is called
Louver
Stop
Horn
Rebate
Q.24
The minimum width of a stair in residential buildings, is
55 cm
70 cm
85 cm
100 cm
Q.25
Expansion joints in masonry walls are provided if length exceeds
10 m
20 m
30 m
40 m
Q.26
The maximum bearing capacity of soil is that of
Black cotton soil
Loose fine sandy soil
Dry coarse sandy soil
Hard rocks
Q.27
The least bearing capacity of soil is that of
Hard rock
Moist clay
Soft rock
Coarse sandy soil
Q.28
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
Q.29
In soft clay of low bearing capacity, the type of steel pile generally used, is
H-pile
Screw pile
Disc pile
Pipe pile
Q.30
If (φ) is the angle of repose of soil of weight w kg/m3, the horizontal pressure p at a depth of h meters 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)]
Q.31
The vertical distance between the springing line and highest point of the inner curve of an arch is known as
Intrados
Rise
Spandril
Extrados
Q.32
The mortar in which both cement and lime are used as binding materials, is called
Cement mortar
Lime mortar
Fire resistant mortar
Gauged mortar
Q.33
For brick construction, the lime-sand mortar, is
1 : 1
1 : 2
1 : 3
1 : 4
Q.34
A stair should not have pitch more than
25°
30°
40°
50°
Q.35
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
Q.36
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
Q.37
A solid core of rock is formed inside the cylinder in the case of
Auger boring
Percussion drilling
Diamond drilling
Wash boring
Q.38
In grillage foundations a minimum 15 cm cover is provided on
Upper flange of top tier
Lower beam of lower tier
Ends of external beams
None to these
Q.39
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
Q.40
In the construction of arches, sand box method is used for
Centring
Actual laying of arch work
Striking of centring
None of the above
Q.41
The foundations are placed below ground level, to increase
Strength
Workability
Stability of structure
All the above
Q.42
The stepped structure provided for lateral support of a structure, is
Retaining wall
Breast wall
Buttress
Parapet wall
Q.43
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
Q.44
The arrangement of supporting an existing structure by providing supports underneath, is known as
Shoring
Underpinning
Jacking
Piling
Q.45
While designing a stair, the product of rise and going is approximately kept equal to
350
420
450
500
Q.46
The 19 cm × 9 cm side of a brick as seen in the wall face, is generally known as
Stretcher
Face
Front
Header
Q.47
A pointed arch which forms isosceles or equilateral triangle, is generally known as
Three centered arch
Two centered arch
Lancet arch
Bull's eye arch
Q.48
The vertical members fixed between steps and hand rail, are known
Balusters
Strings
Newel posts
Soffits
Q.49
Dampness causes
Efflorescence
Bleaching of paints
Crumbling of plaster
Growth of termites
Q.50
While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful:
Pile formation
Raft foundation
Grillage foundation
None of these
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