The rocks in which argil (or clay) predominates, are called
Siliceous rocks
Argillaceous rocks
Calcareous rocks
Igneous rocks
Correct Answer :
B. Argillaceous rocks
Related Questions
Good quality stones must
Be durable
Be free from clay
Resist action of acids
All the above
The softest rock is
Marble
Diamond
Talc
Quartz
Slate is formed by metamorphic action on
Shale
Lime stone
Sand stone
Granite
The portion of a brick cut to form angles other than right angles in plan, is known as
Queen closer
King closer
Closer
Squint brick
Galvanising means covering iron with a thin coat of
Tin
Zinc
Glaze
Coal tar
Mastic asphalt is normally used for
Sound insulation
Water proofing
Fire proofing
None to these
Pick up the correct statement from the following:
Quick lime is obtained by burning pure lime stone
Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
Poor lime is obtained by burning lime stone containing impurities more than 5%
All the above
The frog of the brick in a brick masonry is generally kept on
Bottom face
Top face
Shorter side
Longer side
The commonly used base for iron and steel work, is
Red lead
Zinc white
White lead
Titanium white
The minimum compressive strength of 2nd class bricks should be
75 kg/cm2
90 kg/cm2
100 kg/cm2
120 kg/cm2
Pick up the correct statement from the following:
The low voltage porcelain is prepared by wet process
The high voltage porcelain is prepared by dry process
The low voltage porcelain is prepared by dry process
None of the above
Early attainment of strength in rapid hardening cement is mainly due to
Gypsum
Finer grinding
Tri-calcium silicate
Tri-calcium aluminate
The most durable varnish is
Water varnish
Spirit varnish
Turpentine varnish
Oil varnish
For preparing porcelains, the clay should be
Sufficiently pure
Of high degree of tenacity
Of good plasticity
All the above
The portion of the brick cut across its width and having its length equal to that of a full brick, is known as
Closer
Queen closer
King closer
Prince closer
Pick up the polymineralic rock from the following:
Quartz sand
Pure gypsum
Magnesite
Granite
Bituminous fells are used for
Covering A.C. sheets
Covering sloping roofs
D.P.C.
None to these
For melting one tonne of cast iron
700 m3 air is required
20 kg limestone is required
One quintal coke is required
All the above
Quick lime (or caustic lime)
Is obtained by the calcination of pure lime stone
Has great affinity to moisture
Is amorphous
All the above
Mastic asphalt is generally used for
Damp proof course
Water proof layer
Partition walls
Both (A) and (B)
Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is
Only (iii)
Both (i) and (iii)
Both (ii) and (iii)
All (i), (ii) and (iii)
Pick up the correct statement from the following:
The heating of a material to redness in contact with air, is known as calcination
The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting
The product that remains after calcination of limestone, is called lime
All the above
Lacquer is
Oil paint
Distemper
Spirit varnish
None to these
In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as
English bond
Double Flemish bond
Zigzag bond
Single Flemish bond
PVC stands for
Plastic very compact
Polythene vinyl chloride
Polythene vinyl carbon
Polythene vanadium carbide
The most fire resistant paints are:
Enamel paints
Aluminium paints
Asbestos paints
Cement paints
Crushing strength of a good building stone should be more than
50 MPa
100 MPa
150 MPa
200 MPa
Fibre glass
Retains heat-longer
Has a higher strength to weight ratio
Is shock proof and fire retardant
All the above
Which of the following bricks are used for lining of furnaces?
Over-burnt bricks
Under-burnt bricks
Refractory bricks
First class bricks
Excess of silica in brick earth results in
Cracking and warping of bricks
Loss of cohesion
Enhancing the impermeability of bricks
None of the above