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Home » Engineering » Aptitude Test - 149
Hassan
1.The initial setting time of hydraulic lime, is
A. 30 minutes
B. 60 minutes
C. 90 minutes
D. 30 minutes
2.PVC stands for
A. plastic very compact
B. polythene vinyl chloride
C. polythene vinyl carbon
D. plastic very compact
3.Generally wooden moulds are made from
A. ply wood
B. shisham wood
C. deodar wood
D. ply wood
4.Cement paints usually
A. contain hydrated lime
B. contain 5% to 10% colour pigments
C. are prepared with white cement
D. contain hydrated lime
5.The cement becomes unsound by the presence of excess
A. sulphur
B. magnesia
C. lime
D. sulphur
6.The minimum compressive strength of 1st class bricks should be
A. 75 kg/cm2
B. 90 kg/cm2
C. 100 kg/cm2
D. 75 kg/cm2
7.A volatile substance added to a paint to make its application easy and smooth, is known as
A. base
B. solvent
C. vehicle
D. base
8.The percentage of water for normal consistency, is
A. 5% to 15%
B. 10% to 25%
C. 15% to 25%
D. 5% to 15%
9.Pick up the correct statement from the following:
A. The plywoods do not split or crack due to changes in atmosphere
B. The commercial plywoods are available upto 150 cm wide and upto 300 cm long
C. The plywoods possess uniform tensile strength in all directions
D. The plywoods do not split or crack due to changes in atmosphere
10.The main ingredient of a good quality brick earth, is
A. magnesia
B. lime
C. silica
D. magnesia
11.Bitumen is generally obtained from
A. organic material
B. synthetic material
C. petroleum product
D. organic material
12.For one cubic metre of brick masonry, number of bricks required, is
A. 400
B. 425
C. 450
D. 400
13.The steel which contains fissures and cavities, is manufactured by
A. Cementation process
B. Crucible process
C. Bessemer process
D. Cementation process
14.Pick up the volcanic rock from the following:
A. Granite
B. Dolerite
C. Basalt
D. Granite
15.In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is
A. right angles
B. 45°
C. 60°
D. right angles
16.The most durable varnish is
A. water varnish
B. spirit varnish
C. turpentine varnish
D. water varnish
17.Softer variety of steel may be obtained by
A. Cementation process
B. crucible process
C. Bessemer process
D. Cementation process
18.Pick up the correct statement from the following:
A. The baked earth is called terra-cotta
B. The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware
C. The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware
D. The baked earth is called terra-cotta
19.Calcination of iron ores is done
A. to remove moisture
B. to remove carbonic acid
C. by roasting in heaps
D. to remove moisture
20.Strength of cement concrete primarily depends upon
A. quality of water
B. quantity of aggregate
C. quantity of cement
D. quality of water
21.Rapid hardening cement contains
A. Tri-calcium silicate
B. Tri-calcium aluminate
C. Tetra-calcium alumino-ferrite
D. Tri-calcium silicate
22.Bitumen emulsion is
A. a liquid containing bitumen in suspension
B. a paint
C. used as anti-corrosive paint
D. a liquid containing bitumen in suspension
23.The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to
A. grey cast iron
B. white cast iron
C. mottled cast iron
D. grey cast iron
24.Jhumb bricks are
A. under burnt
B. over burnt
C. kutcha
D. under burnt
25.Plastic bitumen is generally used for
A. road pavements
B. expansion joints
C. crack fillings
D. road pavements
26.Pick up the correct statement from the following:
A. The heating of a material to redness in contact with air, is known as calcination
B. The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting
C. The product that remains after calcination of limestone, is called lime
D. The heating of a material to redness in contact with air, is known as calcination
27.The commonly used thinner in oil paints, is
A. naptha
B. turpentine
C. both (a) and (b)
D. naptha
28.Cast iron
A. is obtained by purifying pig iron
B. is manufactured in required shapes
C. may contain 2 to 5 per cent of carbon with other impurities
D. is obtained by purifying pig iron
29.Asbestos is
A. corrugated sheet used for roofing
B. an incombustible fire proof material
C. an organic substance
D. corrugated sheet used for roofing
30.In a rock calcium carbonate predominates. State whether it is :
A. Sillicious rock
B. Argillaceous rock
C. Calcareous rock
D. Sillicious rock
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