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Home » Engineering » Aptitude Test - 150
Hassan
1.In order of increasing percentage of silica, the correct sequence is
A. sandy clay, calcareous clay, pure clay
B. calcareous clay, pure clay, sandy clay
C. pure clay, sandy clay, calcareous clay
D. sandy clay, calcareous clay, pure clay
2.Pick up the correct statement from the following:
A. Steel produced by open hearth process is milder than that obtained by the bessemer process
B. Engineers prefer open hearth steel for structural purpose as it is more homogenous
C. Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
D. Steel produced by open hearth process is milder than that obtained by the bessemer process
3.Pick up the correct statement from the following:
A. The distinct plane of division along which a stone can easily be split, is called natural bed of stone
B. The natural bed of sedimentary rocks is along the planes of stratification
C. The natural bed of igneous rocks is not defined
D. The distinct plane of division along which a stone can easily be split, is called natural bed of stone
4.Invar contains
A. 12% of nickel
B. 24% of nickel
C. 30% to nickel
D. 12% of nickel
5.Based on flow quality, the sequence of pipes is
A. A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
B. C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
C. C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
D. A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
6.The pigment used in paints for corrosive resistance, is
A. white lead
B. ferrous oxide
C. zinc white
D. white lead
7.A well seasoned timber may contain moisture up to
A. 4 to 6%
B. 6 to 8%
C. 8 to 10%
D. 4 to 6%
8.The stones obtained by blasting are used as
A. ballast in railways
B. aggregates for concrete
C. roadmetal
D. ballast in railways
9.Distemper is
A. a paint consisting of powdered chalk, pigments, and water
B. a water proofing agent
C. a paint consisting of coloured cement and water
D. a paint consisting of powdered chalk, pigments, and water
10.Oil varnish generally consists of
A. synthetic resin and spirit
B. oil, wax and resin
C. resin, oil and turpentine
D. synthetic resin and spirit
11.Pick up the correct statement from the following:
A. The average crushing strength of hand moulded bricks is 6000 t/m2
B. The average tensile strength of hand moulded brick is 200 t/m2
C. The average shearing strength of hand moulded brick is 600 t/m2
D. The average crushing strength of hand moulded bricks is 6000 t/m2
12.The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
A. radial shakes
B. star shakes
C. heart shakes
D. radial shakes
13.Sea sand used in structures causes
A. dampness
B. efflorescence
C. disintegration
D. dampness
14.The compound of Portland cement which reacts immediately with water and also sets first is
A. Tri-calcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tri-calcium silicate
15.Refractory bricks resist
A. high temperature
B. chemical action
C. dampness
D. high temperature
16.When a brick is immersed in water for 24 hours and then dried, if
A. no grey or white deposits appear on the surface, the brick is free from soluble salts
B. 10 per cent surface is covered with grey or white deposits, the brick has slight efflorescence
C. 50 per cent surface is covered with grey or white deposits, the brick has serious efflorescence
D. no grey or white deposits appear on the surface, the brick is free from soluble salts
17.In arches, stratified stones are placed so that their planes are
A. parallel
B. perpendicular
C. radial
D. parallel
18.Pick up the correct statement from the following:
A. Acid test is done to find out the weathering quality of stones
B. Attrition test is done to find out the rate of wear of stones which are used in road construction
C. Crushing test is done to find out the compressive strength of the stone
D. Acid test is done to find out the weathering quality of stones
19.The fire clay contains pure
A. lime
B. oxide of iron
C. hydrated aluminium silicate
D. lime
20.Pick up the correct characteristic of Pyroxene from the following:
A. It forms octagonal crystals
B. It converts to chlorine by hydration
C. Its density is 2.3 to 3.6 g/cm2
D. It forms octagonal crystals
21.For sanitary pipes and chemical stonewares,
A. salt glazing is used
B. lead glazing is used
C. opaque glazing is used
D. salt glazing is used
22.The steel used for rails under heavy traffic and on sharp curves, is
A. Nickel steel
B. Chrome steel
C. Magnese steel
D. Nickel steel
23.The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick
A. 20%
B. 15%
C. 10%
D. 20%
24.Snowcrete is one of the patent forms of
A. distempers
B. water proof cement paints
C. enamel paints
D. distempers
25.The usual percentages of clay and metal in cermet are :
A. 50%, 50%
B. 60%, 40%
C. 70%, 30%
D. 50%, 50%
26.Pick up the correct statement from the following:
A. Horn blende mineral is brittle
B. Muscovite is also known as white mica and potashmica
C. Biotite is also known as blackmica
D. Horn blende mineral is brittle
27.The base material for distemper, is
A. chalk
B. lime
C. lime putty
D. chalk
28.The thermosetting plastic
A. becomes rigid when moulded at suitable pressure and temperature
B. at 127°C to 177°C permanently set and further application of heat does not soften it
C. charrs at 343°C
D. becomes rigid when moulded at suitable pressure and temperature
29.Pick up the synthetic resin from the following:
A. Malamine resin
B. Phenolic resin
C. Resorcinol resin
D. Malamine resin
30.Slacking of lime is affected by
A. keeping it exposed to air
B. immersing the lime in water
C. crushing the lime lumps
D. keeping it exposed to air
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