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Home » Engineering » Aptitude Test - 153
Hassan
1.Laterite is found in
A. U.P.
B. Punjab
C. West Bengal
D. U.P.
2.Lacquer is
A. oil paint
B. distemper
C. spirit varnish
D. oil paint
3.Upto a maximum of 72% of iron, is available in
A. Magnetite
B. Red haemetite
C. Limonite
D. Magnetite
4.For lime concrete,
A. slump is 50 to 75 mm
B. flexural strength at 90 days is 0.2 N/mm2
C. compressive strength at 90 days is 1.5 N/mm2
D. slump is 50 to 75 mm
5.Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as
A. Bessemer pig
B. Grey or foundry pig
C. White or forge pig
D. Bessemer pig
6.Pick up the correct statement from the following:
A. Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish
B. Cracked paints may be cured by removing paint and giving a fresh coat of paint
C. Crawling paints may be cured by sand preparing the surface and giving a fresh coat with plenty of turps
D. Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish
7.The material generally not used as extender in paints, is
A. powdered silica
B. gypsum
C. talc
D. powdered silica
8.Pick up the non-inflammable plastic from the following:
A. Cellulose acetate plastics
B. Polyvinyl chloride plastics
C. Phenol formaldehyde plastic
D. Cellulose acetate plastics
9.The most commonly used synthetic abrasive is
A. aluminium carbide
B. boric acid
C. silicon
D. aluminium carbide
10.For light and ornamental casting, the most unsuitable pig iron, is
A. Bessemer pig
B. Grey or foundry pig
C. White or forge pig
D. Bessemer pig
11.Seasoning of timber is essential to remove
A. knots from timber
B. sap from timber
C. twisted fibre from timber
D. knots from timber
12.The melting point of silica is :
A. 1570°C
B. 1630°C
C. 1730°C
D. 1570°C
13.A bull nose brick is not used for
A. rounding off sharp corners
B. pillars
C. decoration purpose
D. rounding off sharp corners
14.Red short iron cracks when bent due to the presence of
A. sulphur
B. carbon
C. phosphorus
D. sulphur
15.Linseed oil is used in paints as
A. thinner
B. vehicle
C. base
D. thinner
16.Plaster of Paris is obtained by calcining
A. bauxite
B. gypsum
C. kankar
D. bauxite
17.For high grade instruments the steel preferred to, is
A. cast steel
B. bessemer steel
C. mild steel
D. cast steel
18.If the ore impurities is
A. clay, lime stone is used as flux
B. lime stone, clay is used as flux
C. quartz, lime stone and argallaceous iron ores are used as flux
D. clay, lime stone is used as flux
19.The plastics prepared from Vinyl resin are
A. odourless
B. non-toxic
C. transparent
D. odourless
20.Chlorite, a green colour mineral is mainly derived from the decomposition of
A. augite
B. biotite
C. horn blende
D. augite
21.During smelting process, the combination of fuel in the furnace
A. forms carbon dioxide
B. carbon dioxide with carbon forms carbon mono-oxide
C. carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
D. forms carbon dioxide
22.Lime stones are generally known as
A. aqueous rocks
B. sedimentary rocks
C. stratified rocks
D. aqueous rocks
23.The method of addition polymerization is used for obtaining:
A. polythylene
B. polypropylene
C. polyvinylchloride
D. polythylene
24.Pick up the correct statement from the following:
A. The lime in excess makes the cement unsound and causes the cement to expand and disintegrate
B. The silica in excess makes the cement stronger but its setting time also increases
C. The excess amount of alumina weakens the cement
D. The lime in excess makes the cement unsound and causes the cement to expand and disintegrate
25.A rock contains only one mineral. It is called
A. homogeneous
B. non-homogeneous
C. monomineralic
D. homogeneous
26.Asbestos
A. is a natural fibrous mineral substance
B. is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3)
C. contains iron oxide and alumina
D. is a natural fibrous mineral substance
27.Pegmatite is a/an
A. intrusive igneous rock
B. extrusive igneous rock
C. sedimentary rock
D. intrusive igneous rock
28.The percentage of alumina and silica in good fire clay vary respectively is
A. 25, 75
B. 30, 70
C. 35, 65
D. 25, 75
29.The term frog means
A. an apparatus to lift the stone
B. a depression on a face of brick
C. vertical joint in a brick work
D. an apparatus to lift the stone
30.Asphalt is obtained from
A. petroleum distillation
B. bitumen distillation
C. plastic distillation
D. petroleum distillation
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