Construction Materials Online Test – Paper 2

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Vikash chaudhary

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Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: No
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1 / 30

1. *In brick laying the tool used for lifting and spreading mortar and for forming joints is

a) scutch

b) trowel

c) square

d) bolster

2 / 30

2. In arches, stratified stones are placed so that their planes are

a) parallel

b) radial

c) perpendicular

d) all of the above

3 / 30

3. *Tampering of soil for the manufacture of bricks is done by

a) feet

b) pug mill

c) feet of cattle

d) all of the above

4 / 30

4. The consistency test is performed to find

a) the correct water-cement ratio

b) the fineness of cement

c) the compressive strength

d) tensile strength

5 / 30

5. The radiator of vehicles is painted with

a) asbestos paint

b) plastic paint

c) oil paint

d) bronze paint

6 / 30

6. *To give a brilliant finish, the type of varnish used is:

a) water varnish

b) spirit varnish

c) turpentine varnish

d) oil varnish

7 / 30

7. Quarry sap is found in

a) fresh wood

b) fresh stone

c) fresh brick

d) fresh lime

8 / 30

8. Crushing strength for most of the building stones should be more than

a) 500 kg/cm^2

b) 1000 kg/cm^2

c) 1500 kg/cm^2

d) 2000 kg/cm^2

9 / 30

9. The process of mixing sand with the powdered natural soil to improve the quality is known as

a) moulding

b) tempering

c) pugging

d) blending

10 / 30

10. The argillaceous rocks have their principal constituents as

a) lime

b) clay

c) sand

d) none of the above

11 / 30

11. *The loss of ignition in cement should not exceed

a) 1%

b) 4%

c) 8%

d) 12%

12 / 30

12. *Oil varnish generally consists of

a) resin, oil, and turpentine

b) oil, wax, and resin

c) synthetic resin and spirit

d) spirit, oil, and wax

13 / 30

13. *Workability is tested by

a) slump test

b) vee bee test

c) C.F. test

d) all of the above

14 / 30

14. *Le-Chatelier's apparatus is used to carry out

a) consistency test

b) soundness test

c) compressive strength

d) tensile strength

15 / 30

15. Lacquer paints are

a) generally applied on structural steel

b) are more durable compared to enamel paints

c) consisting of resin and nitro-cellulose

d) all of the above

16 / 30

16. Excess of silica in brick earth causes

a) loss of cohesion

b) impermeable

c) cracking and warping on drying

d) brittleness

17 / 30

17. Slate is a metamorphic rock obtained from the structural change of

a) shale

b) granite

c) sandstone

d) marble

18 / 30

18. The following element of a paint is used as base, pigment as well as drier

a) red lead

b) white lead

c) black lead

d) all of the above

19 / 30

19. The advantage of adding pozzolana to lime is

a) increased strength to cracking

b) reduced shrinkage

c) increased resistance to chemical attack

d) impart greater strength

20 / 30

20. Kaolin (china clay) is a

a) calcareous rocks

b) argillaceous rocks

c) siliceous rocks

d) sandy rocks

21 / 30

21. A pug mill is used for

a) softening brick earth

b) moulding brick earth

c) tempering brick earth

d) all of the above

22 / 30

22. A badly mixed cement concrete results in

a) segregation

b) bleeding

c) honeycombing

d) none of the above

23 / 30

23. Bloating of bricks is due to

a) presence of excess carbonaceous matter and sulphur

b) presence of any gas forming material in clay

c) bad burning or rapid firing

d) all of the above

24 / 30

24. Generally, wooden molds are made from

a) ply wood

b) shisham

c) pine wood

d) teak wood

25 / 30

25. *Brass is an alloy of

a) copper and zinc

b) copper and tin

c) copper and nickel

d) copper and chromium

26 / 30

26. During the production of cement, raw materials are mixed in

a) ball mill

b) pug mill

c) rice mill

d) cement mill

27 / 30

27. The amount of pozzolana in Portland pozzolana cement is

a) 20 to 30%

b) 30 to 40%

c) 40 to 50%

d) 50 to 60%

28 / 30

28. Advantage of clamp burning as compared to kiln burning is

a) less initial cost

b) takes less time

c) when a large number of bricks are required

d) none of the above

29 / 30

29. *The stone that exhibits the highest compressive strength is

a) slate

b) gneiss

c) limestone

d) granite

30 / 30

30. The rock having calcium carbonate as the main mineral constituent is known as

a) calcareous rocks

b) argillaceous rocks

c) siliceous rocks

d) sandy rocks

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