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%
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1 / 30

1. Which of the following has the highest crushing strength

a) limestone

b) granite

c) gneiss

d) laterite

2 / 30

2. *For carving ornamental and architectural beauty, the stone should be

a) soft

b) hard

c) heavy

d) light

3 / 30

3. Which one of the following does not belong to exogenous trees?

a) coconut

b) teak

c) shisham

d) sal

4 / 30

4. *The best primer used for structural steel work is

a) zinc oxide

b) red lead

c) white lead

d) iron oxide

5 / 30

5. The paint used for automobiles is

a) distemper

b) emulsion paint

c) oil paint

d) any of the above

6 / 30

6. *Stainless steel resists corrosion due to

a) carbon

b) sulfur

c) nickel

d) chromium

7 / 30

7. Slate and marble stone belong to

a) igneous rocks

b) metamorphic rock

c) sedimentary rock

d) foliated rocks

8 / 30

8. The volume of one bag of cement weighing 50 kg is

a) 0.05m^3

b) 0.0347m^3

c) 0.025m^3

d) 0.04m^3

9 / 30

9. Monel metal is an alloy of

a) copper and zinc

b) copper and tin

c) copper and nickel

d) copper and chromium

10 / 30

10. Pick up the air-entraining agent from the following

a) animal fats

b) natural wood resins

c) alkali salts

d) all of the above

11 / 30

11. Good quality building stones should not contain soluble salts more than

a) 0%

b) 1%

c) 2%

d) 20%

12 / 30

12. The pigment used in paints for corrosion resistance is

a) red lead

b) white lead

c) gypsum

d) ferrous oxide

13 / 30

13. The soil used for the manufacture of bricks should preferably not contain the following material

a) alkalies

b) pebbles

c) manganese

d) iron oxide

14 / 30

14. The argillaceous rocks have their principal constituents as

a) lime

b) clay

c) sand

d) none of the above

15 / 30

15. To which category do the bauxite bricks belong?

a) neutral refractory brick

b) acid refractory brick

c) basic refractory brick

d) all of the above

16 / 30

16. *The maximum percentage of .......... is available in cement.

a) silica

b) lime

c) alumina

d) iron oxide

17 / 30

17. *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

18 / 30

18. Limestone comes under the category of

a) aqueous rock

b) stratified rock

c) sedimentary rock

d) all of the above

19 / 30

19. *The varnish is essentially made of

a) resin

b) solvent

c) drier

d) both (a) and (b) of above

20 / 30

20. The chemical action between cement and water is technically known as:

a) dehydration

b) carbonation

c) calcination

d) hydration

21 / 30

21. *Quick lime is obtained from the burning of

a) kankar

b) limestone

c) slaked lime

d) white lime

22 / 30

22. Find the one which is not used in quarrying

a) gun powder

b) gun cotton

c) marble powder

d) dynamite

23 / 30

23. To which category do the chromite bricks belong?

a) neutral refractory brick

b) acid refractory brick

c) basic refractory brick

d) all of the above

24 / 30

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

a) scutch

b) trowel

c) square

d) bolster

25 / 30

25. *The oily liquid in which base and pigment are dissolved to form a paint is called

a) thinner

b) filler

c) vehicle

d) none of the above

26 / 30

26. *Granites are a type of

a) silicious rock

b) argillaceous rock

c) calcareous rock

d) none of the above

27 / 30

27. *The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as

a) knots

b) rind galls

c) burls

d) none of the above

28 / 30

28. The preparation of the surface of stones to obtain plain edges or to obtain stone of the required shape and size is known as

a) blasting of stone

b) quarrying of stone

c) seasoning of stone

d) dressing of stone

29 / 30

29. *The pigment commonly used in the manufacture of cement is

a) ambers

b) iron oxide

c) lamp black

d) all of the above

30 / 30

30. Fracture of asbestos is

a) regular

b) irregular

c) fibrous

d) concoidal

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Construction Materials Online Test – Paper 2

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