In which of the following directions, the strength of timber is maximum?
Parallel to grains
45° to grains
Perpendicular to grains
Same in all directions
Correct Answer :
A. Parallel to grains
Related Questions
The mortar in which both cement and lime are used as binding materials, is called
Cement mortar
Lime mortar
Fire resistant mortar
Gauged mortar
The type of stone masonry in which stones of same height are laid in layers, is called
Random rubble masonry
Course rubble masonry
Uncoursed rubble masonry
Ashlar masonry
Cavity wall is generally provided for
Heat insulation
Sound insulation
Prevention of dampness
All the above
The columns of multi-storeyed buildings are designed to withstand the forces due to
Dead loads
Live loads
Wind loads
All of these
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
In English garden wall bond
One course of headers to three or five course of stretchers
Queen closer in provided in each heading course
The middle course of stretchers is started with a header to give proper vertical joints
All the above
A floor constructed with 3 mm marble chips, is known
Mosaic floor
Terrazzo floor
Chips floor
Marble floor
In which of the following directions, the strength of timber is maximum?
Parallel to grains
45° to grains
Perpendicular to grains
Same in all directions
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:
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 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 vertical distance between the springing line and highest point of the inner curve of an arch is known as
Intrados
Rise
Spandril
Extrados
The members which support covering material of a sloping roof, are
Rafters
Purlins
Battens
Struts
An arch constructed with finely dressed stones, is known
Ashlar arch
Rubble arch
Gauged arch
Axed arch
According to National Building Code, the hydrants in water mains is provided at minimum interval of
50 m
60 m
75 m
90 m
The maximum bearing capacity of soil is that of
Black cotton soil
Loose fine sandy soil
Dry coarse sandy soil
Hard rocks
A wooden block fixed on back side of a door frame on its post, is known as
Cleat
Stop
Horn
None of these
The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than
The column spacing
One-third the column spacing
Half the column spacing
Three-fourth the column spacing
The depth of excavation of foundations, is generally measured with a
Ranging rod
Steel tape
Levelling staff
Boning rod
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 vertical faces of a door opening which support frame of the door, are
Jambs
Posts
Reveals
Styles
The type of pile which is driven at an inclination to resist inclined forces is known as
Friction pile
Sheet pile
Batter pile
Anchor pile
The rock formed from the solidification of molten matter (magma) is called:
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Metamorphic rock
Igneous rock
None of the above
The type of roof suitable in plains where rainfall is meagre and temperature is high is
Pitched and sloping roof
Flat roof
Shell roof
None of the above
The construction joints in buildings are provided after
10 m
15 m
20 m
40 m
The differential settlement in case of foundations on sandy soils should not exceed
25 mm
40 mm
65 mm
100 mm
The maximum number of steps in a flight should generally be restricted to
10
12
15
No limit
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)
Pick up the correct statement from the following:
Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster
For very cold or very hot climate, a compact and closed plan should be provided
On the sea coast, an exposed and open house is generally preferred
All the above
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)]