Engineering :: All Aptitude Test ::

Hassan
1.In the cement the compound quickest to react with water, is
A. Tricalcium aluminate
B. Tetra-calcium alumino-ferrite
C. Tricalcium silicate
D. Tricalcium aluminate

2.The initial setting time of lime-pozzolana, is
A. 30 minutes
B. 60 minutes
C. 90 minutes
D. 30 minutes

3.The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout
A. the monsoon
B. the winter
C. the summer
D. the monsoon

4.Quartzite is a
A. metamorphic rock
B. argillaceous rock
C. calcareous rock
D. metamorphic rock

5.The variety of pig iron used for manufacture of wrought iron, is
A. Bessemer pig
B. Grey or foundry pig
C. White forge pig
D. Bessemer pig

6.Sand stone is
A. sedimentary rock
B. metamorphic rock
C. igneous rock
D. sedimentary rock

7.If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called
A. Bessemer pig
B. Grey or foundry pig
C. White or forge pig
D. Bessemer pig

8.Stainless steel contains
A. 18% of chromuim and 8% nickel
B. 8% of chromium and 18% of nickel
C. 12% of chromium and 36% of nickel
D. 18% of chromuim and 8% nickel

9.Pick up the hypabyssal rock from the following:
A. Granite
B. Dolerite
C. Basalt
D. Granite

10.Depending on the chemical composition and mechanical properties, iron may be classified as
A. cast iron
B. wrought iron
C. steel
D. cast iron

11.Wrought iron contains carbon about
A. 1.5% to 5.5%
B. 0.5% to 1.75%
C. 0.1% to 0.25%
D. 1.5% to 5.5%

12.The main constituent of fly-ash, is
A. aluminium oxide
B. silica
C. ferrous oxide
D. aluminium oxide

13.Bitumen in
A. solid state, is called asphalt
B. semi fluid state, is called mineral tar
C. fluid state, is called petroleum
D. solid state, is called asphalt

14.The plastics made from cellulose resin
A. are as clear as glass
B. are tough and strong
C. possess excellent electrical properties
D. are as clear as glass

15.Kaolin is chemically classified as
A. metamorphic rock
B. argillaceous rock
C. calcareous rock
D. metamorphic rock

16.Which one of the following is acid resistant asbestos:
A. actinolite asbestos
B. amosite asbestos
C. anthophylite asbestos
D. actinolite asbestos

17.Due to attack of dry rot, the timber
A. cracks
B. shrinks
C. reduces to powder
D. cracks

18.Brittleness of cold is due to an excess of
A. sulphur
B. carbon
C. phosphorus
D. sulphur

19.For the manufacture of Portland cement, the proportions of raw materials used, are
A. lime 63% ; silica 22% ; other ingredients 15%
B. lime 22% ; silica 63% ; other ingredients 15%
C. silica 40% ; lime 40% ; other ingredients 20%
D. lime 63% ; silica 22% ; other ingredients 15%

20.Asbestos cement
A. is brittle
B. warps due to changes in humidity
C. strength is lowered when saturated by water
D. is brittle

21.Gniess is obtained from
A. igneous rocks
B. metamorphic rocks
C. sedimentary rocks
D. igneous rocks

22.The rocks formed by gradual deposition, are called
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. sedimentary rocks

23.Galvanising means covering iron with a thin coat of
A. tin
B. zinc
C. glaze
D. tin

24.For preparing porcelains, the clay should be
A. sufficiently pure
B. of high degree of tanacity
C. of good plasticity
D. sufficiently pure

25.Polymerization helps to improve the property of
A. strength
B. rigidity
C. elasticity
D. strength

26.Good quality stones must
A. be durable
B. be free from clay
C. resist action of acids
D. be durable

27.Sewer pipes are made of
A. earthen ware
B. stone ware
C. refractory clay
D. earthen ware

28.Fibre glass
A. retains heat-longer
B. has a higher strength to weight ratio
C. is shock proof and fire retardent
D. retains heat-longer

29.Pick up the correct statement from the following:
A. The theory of formation of concrete is based on the phenomena of formation of voids
B. The bulking of sand is taken into account while volumetric proportioning of the aggregates
C. The dry sand and the sand completely flooded with water, have practically the same volume
D. The theory of formation of concrete is based on the phenomena of formation of voids

30.Pick up the correct statement from the following:
A. In stone arches, the stones are placed with their natural beds radial
B. In cornices, the stones are placed with their natural beds as vertical
C. In stone walls, the stones are placed with their natural beds as horizontal
D. In stone arches, the stones are placed with their natural beds radial


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