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Home » Engineering » Civil Engineering » Aptitude Test - 28
1.During pudding
A. molten metal is kept clear of the fuel
B. carbon is converted into carbonic acid gas
C. silicon forms a slag
D. molten metal is kept clear of the fuel
2.German silver is an alloy of
A. zinc, lead and nickel
B. silver, gold and lead
C. copper, nickel and zinc
D. zinc, lead and nickel
3.Pick up the incorrect statement from the following:
A. Plastics are chemical resistant
B. Plastics are durable
C. Plastics are ductile
D. Plastics are chemical resistant
4.Pick up correct statement from the following:
A. Fibre boards are used for thermal and acoustic control
B. Fibre boards are used for light weight standing members
C. Fibre boards are obtained by impregnating a resin product on fibres
D. Fibre boards are used for thermal and acoustic control
5.Quartzite, a metamorphic stone is
A. hard
B. brittle
C. crystalline
D. hard
6.Pick up the correct statement from the following:
A. Plastics have generally low melting point
B. The coefficient of thermal expansion of plastics is about three times than that of steel
C. The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67
D. Plastics have generally low melting point
7.Dextrin is
A. animal glue
B. starch glue
C. albumin glue
D. animal glue
8.Formula for quick lime, is
A. CaCO3
B. CaO
C. CO3CO2
D. CaCO3
9.For the manufacture of stainless steel, steel is mixed with
A. chromium
B. nickel
C. tungsten
D. chromium
10.Stones used for ornamental work must be
A. soft
B. hard
C. light
D. soft
11.Pick up the correct statement from the following:
A. Quick lime is obtained by burning pure lime stone:
B. Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
C. Poor lime is obtained by burning lime stone containing impurities more than 5%
D. Quick lime is obtained by burning pure lime stone:
12.The presence of original rounded surface on the manufactured piece of timber, is called
A. Wane
B. Torn grain
C. Diagonal grain
D. Wane
13.The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
A. radial shakes
B. heart shakes
C. wind cracks
D. radial shakes
14.The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called
A. Cementation process
B. crucible process
C. Bessemer process
D. Cementation process
15.In paints, the pigment is responsible for
A. durability
B. colour
C. smoothness
D. durability
16.The operation of removal of impurities or clay adhering to iron ores, is known as
A. dressing
B. calcination
C. roasting
D. dressing
17.If water required for 1 bag of cement is 30 litres, the water cement ratio is :
A. 0.4
B. 0.5
C. 0.6
D. 0.4
18.Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as
A. quick setting cement
B. rapid hardening cement
C. white cement
D. quick setting cement
19.Dry rot
A. cracks the timber
B. reduces the strength of timber
C. reduces the timber to powder
D. cracks the timber
20.Which one of the following polymers is obtained from condensation polymerization?
A. phenol formaldehyde
B. carbamide
C. melamine-formaldehyde
D. phenol formaldehyde
21.The weight of 1 m3 of brick earth, is about
A. 1200 kg
B. 1500 kg
C. 1800 kg
D. 1200 kg
22.Pozzolana (or surkhi) is used in lime
A. to impart hydraulicity
B. to prevent shrinkage
C. to decrease the cost of construction
D. to impart hydraulicity
23.Mastic asphalt is normally used for
A. sound insulation
B. water proofing
C. fire proofing
D. sound insulation
24.Lime stone is not a
A. sedimentary rock
B. stratified rock
C. aqueous rock
D. sedimentary rock
25.The size of modular bricks, is
A. 10 x 10 x 9 cm
B. 19 x 9 x 9 cm
C. 22.5 x 10 x 8.5 cm
D. 10 x 10 x 9 cm
26.A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called
A. slate
B. plank
C. board
D. slate
27.Pig iron is manufactured from the ores by
A. dressing
B. calcination and roasting
C. smelting
D. dressing
28.Quick lime
A. generates heat when added to water
B. reacts with carbon dioxide
C. may be used for white-washing
D. generates heat when added to water
29.Age of a tree may be ascertained by
A. radius of its stem
B. circumference of its stem
C. number of branches
D. radius of its stem
30.The portion of a brick cut to form angles other than right angles in plan, is known as
A. queen closer
B. king closer
C. closer
D. queen closer
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