A solid core of rock is formed inside the cylinder in the case of
Auger boring
Percussion drilling
Diamond drilling
Wash boring
Correct Answer :
C. Diamond drilling
Related Questions
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 case of multi-storeyed buildings, the forms to be removed first are
Sides of beams and girders
Column forms
Bottom of beams and girders
All the above at the same time
The black cotton soil
Undergoes volumetric changes
Swells excessively when wet
Shrinks excessively when dry
All the above
For plastering the exposed brick walls, the cement sand mortar should be
1 : 2
1 : 3
1 : 4
1 : 6
The under surface of an arch, is called
Soffit
Intrados
Haunch
Back
In which of the following pairs both trees yield soft wood?
Deodar and Shishum
Chir and sal
Sal and teak
Chir and deodar
Vertical construction joints are provided where the shearing forces are minimum in the case of
Slabs
Beams
Girders
All of these
Suitable spacing of timber piles, is
50 cm
60 cm
80 cm
90 cm
An arch constructed with finely dressed stones, is known
Ashlar arch
Rubble arch
Gauged arch
Axed arch
In flat roof of reinforced cement concrete, the recommended angle of slope, is
Zero
A few degrees
10°
200°
The lower half portion between crown and skew back of the arch, is called
Spandril
Haunch
Springing
Soffit
The nominal thickness of an expansion joint in brick walls, is kept more than
5 mm
10 mm
15 mm
20 mm
A wooden block hinged on post outside a door, is known
Cleat
Stop
Horn
None of these
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 size of a floor tile commonly used, is
15 cm × 15 cm × 1.8 cm
20 cm × 20 cm × 2 cm
22.5 × 22.5 cm × 2.2 cm
All the above
The range of spread from the wall base to outer edge of a brick work foundation does not exceed
1/2 horizontal to 1 vertical
2/3 horizontal to 1 vertical
1 horizontal to 1 vertical
2 horizontals to 1 vertical
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 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 foundations are placed below ground level, to increase
Strength
Workability
Stability of structure
All the above
Exposed portions of vertical surface at right angles to the door or window frame, are known as
Jambs
Lintels
Reveals
Soffits
A wooden block fixed on back side of a door frame on its post, is known as
Cleat
Stop
Horn
None of these
The highest line of sloping roof, where two opposite slopes meet, is known as
Rafter
Ridge
Crown
Eave
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 vertical members fixed between steps and hand rail, are known
Balusters
Strings
Newel posts
Soffits
The vertical side member of a shutter frame, is known
Style
Reveal
Mullion
Post
The exterior angle between outer faces of a wall, is known as
Turn
Junction
Quion
All the above
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 depth of excavation of foundations, is generally measured with a
Ranging rod
Steel tape
Levelling staff
Boning rod
The maximum number of steps in a flight should generally be restricted to
10
12
15
No limit