A heavy stone is suitable for
Arches
Rubble masonry
Roads
Retaining walls
Correct Answer :
D. Retaining walls
Related Questions
The plastics made from cellulose resin
Are as clear as glass
Are tough and strong
Possess excellent electrical properties
All the above
Pick up the synthetic resin from the following:
Urea resin
Phenolic resin
Resorcinol resin
All of these
Iron ore may contain
Carbon
Silicon
Phosphorus and manganese
All the above
Lime mortar is generally made with
Quick lime
Fat lime
Hydraulic lime
Plain lime
Stainless steel resists corrosion due to
Carbon
Sulphur
Vanadium
Chromium
The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
Radial shakes
Star shakes
Heart shakes
Cup shakes
Pick up the correct statement from the following:
The baked earth is called terra-cotta
The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware
The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware
All the above
For filling cracks in masonry structures, the type of bitumen used, is
Cut-back bitumen
Bitumen-emulsion
Blown bitumen
Plastic bitumen
Pick up the correct statement from the following:
Melamine is obtained from calcium carbide
Formaldehyde is prepared synthetically from methane
The melamine when reacted with formaldehyde forms the melamineformaldehyde resin
All the above
Pick up the correct statement from the following:
Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon
The edges of a finished wrought iron are rough due to red shortage
Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)
All the above
Pick up the correct statement from the following:
Solder material is an alloy which melts at a temperature above 400°C
Brazing is done at temperature above 600°C to 1100°C
Brazing joint is stronger than the solder joint
All the above
Pick up the correct statement from the following:
Bull's trench kiln a trench excavated in ground
Hoffman's kiln is constructed over ground
Tunnel Kiln is constructed as a tunnel
All the above
The percentage of alumina in a good brick earth lies between
5 to 10 %
20 to 30 %
50 to 60 %
70 to 80 %
Spalling hammer is used for
Driving wooden headed chisels
Rough dressing of stones
Carving of stones
Breaking small projection of stones
Cast iron is used for
Structural works in beams
Small sized water pipes
Columns and struts
None to these
Slate is formed by metamorphic action on
Shale
Lime stone
Sand stone
Granite
The commonly used colour pigment in paints, is
Ambers
Carbon black
Iron oxide
All the above
Turpentine oil is used in paints as
Thinner
Vehicle
Base
Drier
For preparing porcelains, the clay should be
Sufficiently pure
Of high degree of tenacity
Of good plasticity
All the above
Pick up correct statement from the following:
Fibre boards are used for thermal and acoustic control
Fibre boards are used for light weight standing members
Fibre boards are obtained by impregnating a resin product on fibres
All the above
A first class brick when immersed in cold water for 24 hours should not absorb water more than
15 %
20 %
22 %
25 %
Polymerization helps to improve the property of
Strength
Rigidity
Elasticity
All of these
Pick up the correct statement from the following:
Steel produced by open hearth process is milder than that obtained by the Bessemer process
Engineers prefer open hearth steel for structural purpose as it is more homogenous
Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
All the above
Which of the following is a mineral?
Basalt
Granite
Quartz
Syenite
The variety of pig iron used for manufacture of wrought iron, is
Bessemer pig
Grey or foundry pig
White forge pig
Mottled pig
A good quality stone absorbs water less than
5 %
10 %
15 %
25 %
Expansion Joints in masonry walls are provided in wall lengths usater than
10 m
20 m
30 m
40 m
Bituminous fells are used for
Covering A.C. sheets
Covering sloping roofs
D.P.C.
None to these
The steel used for the manufacture of rails, is
Bessemer steel
Mild steel
Cast steel
Stainless steel
Cast iron
Is obtained by purifying pig iron
Is manufactured in required shapes
May contain 2 to 5 per cent of carbon with other impurities
All the above