Quartzite, a metamorphic stone is
Cast iron is used for
Turpentine oil is used in paints as
The type of steel used for precision levelling staff, is
Wrought iron is manufactured from pig iron by
The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called
Pick up the correct statement from the following:
The hardest rock is
During pudding
In paints, the pigment is responsible for
Dextrin is
German silver is an alloy of
Fibre boards can be
The operation of removal of impurities or clay adhering to iron ores, is known as
Formula for quick lime, is
Pick up the incorrect statement from the following:
If water required for 1 bag of cement islitres, the water cement ratio is :
Quick setting cement is produced by adding
For the manufacture of stainless steel, steel is mixed with
Lime concrete is generally used for
Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as
Stones used for ornamental work must be
Bituminous fells are used for
Dry rot
Iron ore may contain
The minimum compressive strength of Ilnd class bricks should be
Which one of the following polymers is obtained from condensation polymerization?
Wrought iron is used for
Bulking of sand is caused due to
The presence of original rounded surface on the manufactured piece of timber, is called
Stuco paints are suitable for
The weight of 1 m3 of brick earth, is about
The timber having maximum resistance against white ants, is obtained from
Smith's test of stones is performed to find out
Pozzolana (or surkhi) is used in lime
Knots in timber are
To give a brilliant finish, the type of varnish used, is
Cast iron contains carbon approximately
Good quality cement contains higher percentage of
Upto a maximum ofof iron, is available in
Glazing of clay products, is done
Plastic asphalt is
Soundness of cement is tested by
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