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Home » Engineering » Civil Engineering » Aptitude Test - 27
1.Vanadium steel is generally used for
A. railway switches and crossing
B. bearing balls
C. magnets
D. railway switches and crossing
2.Pick up the correct statement from the following:
A. In basic Bessemer process, the steel heats the converter
B. In open-hearth process, the furnace heats the steel
C. In Siemens process, the impurities of pig iron are oxidised by the oxygen of the ore
D. In basic Bessemer process, the steel heats the converter
3.The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
A. Cementation process
B. Crucible process
C. Bessemer process
D. Cementation process
4.The commonly used drying oil for oil paints, is
A. olive oil
B. linseed oil
C. kerosine oil
D. olive oil
5.Initial setting of cement is caused due to
A. Tri-calcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tri-calcium silicate
6.The foliated structure is very common in
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. sedimentary rocks
7.Turpentine oil is used in paints as
A. thinner
B. vehicle
C. base
D. thinner
8.The hardest rock is
A. marble
B. diamond
C. talc
D. marble
9.The silica is used for preparing
A. silica bricks
B. coke oven
C. lining for glass furnaces
D. silica bricks
10.Wrought iron is manufactured from pig iron by
A. refining
B. puddling
C. shingling
D. refining
11.Pick up the correct statement from the following:
A. The phenol is carbolic acid
B. The phenol is either extracted from coal-tar or prepared from benzene
C. Phenol reacts with formaldehyde, to form phenol formaldehyde resin
D. The phenol is carbolic acid
12.Fibre boards can be
A. distempered
B. painted
C. painted and distempered
D. distempered
13.Pick up the correct statement from the following:
A. Catalysts are added to assist and accelerate the hardening of resin,
B. The fillers are inert materials and they impart strength and hardness
C. Fibrous fillers increase thermal resistance
D. Catalysts are added to assist and accelerate the hardening of resin,
14.Portland pozzolana cement possesses
A. higher resistance to chemical attack
B. lower heat of hydration
C. lower shrinkage on drying
D. higher resistance to chemical attack
15.Iron ore may contain
A. carbon
B. silicon
C. sulphur
D. carbon
16.Wrought iron is used for
A. structural works in beams
B. small sized water pipes
C. columns and struts
D. structural works in beams
17.The timber having maximum resistance against white ants, is obtained from
A. chir
B. shisham
C. sal
D. chir
18.Knots in timber are
A. defects caused by crushing fibres
B. splits radiating from the centre
C. speckled strains
D. defects caused by crushing fibres
19.Pick up the correct statement from the following:
A. Solder material is an alloy which melts at a temperature above 400�C
B. Brazing is done at temperature above 600�C to 1100�C
C. Brazing joint is stronger than the solder joint
D. Solder material is an alloy which melts at a temperature above 400�C
20.Lime concrete is generally used for
A. wall foundations
B. flooring at ground level
C. both (a) and (b)
D. wall foundations
21.Bituminous fells are used for
A. covering A.C. sheets
B. covering sloping roofs
C. D.P.C.
D. covering A.C. sheets
22.The minimum compressive strength of Ilnd class bricks should be
A. 75 kg/cm2
B. 90 kg/cm2
C. 100 kg/cm2
D. 75 kg/cm2
23.Stuco paints are suitable for
A. stone masonry
B. brick walls
C. both (a) and (b)
D. stone masonry
24.Pick up the correct statement from the following:
A. Corrugated sheet iron is made by passing plain sheets between grooved rollers
B. Strength and stiffness of corrugated sheets are considerably increased
C. Corrugated sheets are generally gal-venised to protect iron from corrosion by rust
D. Corrugated sheet iron is made by passing plain sheets between grooved rollers
25.Quick setting cement is produced by adding
A. less amount of gypsum in very fine powdered form
B. more amount of gypsum in very fine powdered form
C. aluminium sulphate in very fine powdered form
D. less amount of gypsum in very fine powdered form
26.Duco is one of the patent forms of
A. emulsion paints
B. plastic paints
C. bituminous paints
D. emulsion paints
27.Pick up the correct statement from the following:
A. The substance which consists of one primary chemical, is known as monomer
B. The polymer consists of thousands of monomers joined together
C. The polymer molecule is called macro-molecule
D. The substance which consists of one primary chemical, is known as monomer
28.Bulking of sand is caused due to
A. surface moisture
B. air voids
C. viscosity
D. surface moisture
29.The normal curing period for lime mortar, is:
A. one day
B. 3 days
C. 7 days
D. one day
30.The type of steel used for precision levelling staff, is
A. Titanium steel
B. Carbon steel
C. Invar
D. Titanium steel
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