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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Certificate: No
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1 / 30

1. *The paint which gives illumination during the night is called

a) fluorescent paint

b) cellulose paint

c) enamel paint

d) none of the above

2 / 30

2. Stucco paints are suitable for

a) stone masonry

b) brick walls

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

d) none of the above

3 / 30

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

a) soft

b) hard

c) heavy

d) light

4 / 30

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

a) shale

b) granite

c) sandstone

d) marble

5 / 30

5. In bricks masonry, the frog of the brick is generally kept on

a) top face

b) bottom face

c) exposed face

d) interior face

6 / 30

6. The type of cement is considered good if

a) it contains C3S in large amounts

b) it contains C2S in large amounts

c) it contains C3A in large amounts

d) all of the above

7 / 30

7. The function of the base of an oil paint is

a) to form the body of the paint

b) to reduce the shrinkage cracks

c) to reinforce the film of the paint after drying

d) to prevent the penetration of paint to lower surfaces

8 / 30

8. *Due to the attack of dry rot, the timber

a) cracks

b) shrinks

c) reduces to powder

d) none of the above

9 / 30

9. *The type of paint whose main constituent is white or colored cement and is used to protect plastered surfaces, brickwork, masonry in damp places is called

a) luminous paint

b) cement paint

c) bituminous paint

d) anticorrosive paint

10 / 30

10. Plywood is generally available

a) 1 mm thick

b) 2 mm thick

c) 2 to 3 mm

d) 3 to 4 mm thick

11 / 30

11. *Lime concrete is used in

a) foundation of columns

b) roof slabs

c) walls

d) under the floors

12 / 30

12. *The undesirable properties of cement are due to the formation of

a) dicalcium silicate

b) tricalcium silicate

c) tricalcium aluminate

d) tetracalcium aluminate

13 / 30

13. Granite is not suitable for ordinary building purposes because

a) it can not be polished

b) it is not a fireproof material

c) it is costly

d) it has less crushing strength

14 / 30

14. 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

15 / 30

15. *Which constituent of the cement, upon the addition of water, sets and hardens first

a) tri-calcium silicate

b) tri-calcium aluminate

c) di-calcium silicate

d) free lime

16 / 30

16. The defects in the growth of timber are called

a) shakes

b) checks

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

d) none of the above

17 / 30

17. Which of the following statements is not correct?

a) kiln-seasoned timber is stronger than naturally seasoned timber

b) moisture content in the timber can be reduced to any desired level in kiln seasoning

c) kiln seasoning is quicker than natural seasoning

d) kiln seasoning requires less stacking space but more expensive than natural seasoning

18 / 30

18. *Elastomers can extend up to

a) ten times their original dimensions

b) seven times their original dimensions

c) five times their original dimensions

d) three times their original dimensions

19 / 30

19. The main constituents of Portland cement are:

a) lime, silica, and alumina

b) lime, alumina, and potash

c) alumina, silica, and iron oxide

d) lime, alumina, and iron oxide

20 / 30

20. The most widely used kiln in Nepal is

a) hoffman's kiln

b) bull's trench kiln

c) clamp kiln

d) none of the above

21 / 30

21. The artificial seasoning of timber may

a) reduce moisture

b) make light and strong

c) make fire resistance

d) remove moisture

22 / 30

22. The layer between the bark of the tree and the sapwood, which is not yet converted into wood is called

a) heartwood

b) cambium layer

c) softwood layer

d) pith

23 / 30

23. *Soundness test of cement determines

a) quantity of free lime

b) ultimate strength

c) durability

d) initial setting

24 / 30

24. Knots in timber are

a) speckled strains

b) signs of branches cut off

c) defects caused by crushing fibers

d) splits radiating from the center

25 / 30

25. *Softest rock is

a) marble

b) talc

c) diamond

d) none of the above

26 / 30

26. 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

27 / 30

27. The building stone can be dressed very easily

a) just after quarrying

b) after seasoning

c) after some months of quarrying

d) any time

28 / 30

28. *Normally the bricks (1st class) obtained from pazawah is about

a) 30%

b) 40%

c) 50%

d) 60%

29 / 30

29. *The percentage of carbon in cast iron is:

a) 0.70%

b) 1.2 to 1.7%

c) 1.20%

d) 2 to 4.5%

30 / 30

30. Marble contains only

a) lime

b) silica

c) lime and silica

d) none of the above

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Construction Materials Online Test – Paper 2

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