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 standard size of the brick as per the Indian standard is

a) 20├ù10├ù10 cm

b) 23x12x8 cm

c) 19├ù9├ù9 cm

d) 18├ù9├ù9 cm

2 / 30

2. The timber having maximum resistance against white rots is obtained from

a) chir

b) shisham

c) sal

d) teak

3 / 30

3. *PVC stands for

a) plastic very compact

b) polythene vinyl carbon

c) pigment volume concentration

d) polythene vinyl chloride

4 / 30

4. *The commonly used grade of bitumen that is used in the moderate temperature range of Nepal is:

a) 60/100

b) 70/100

c) 80/100

d) 90/100

5 / 30

5. The fineness of cement is tested by:

a) air permeability method

b) le-chatlier method

c) vicat's apparatus

d) all of the above

6 / 30

6. Texture of sandstone is

a) cellular

b) foliated

c) granular

d) concoidal

7 / 30

7. Which of the following is the reason for the decrease in the use of stones as building material?

a) steel and R.C.C. are less bulky and more durable

b) strength of stones cannot be rationally analyzed

c) stones are not conveniently available in plains

d) all of the above

8 / 30

8. *Slate stone is a

a) igneous rock

b) sedimentary rock

c) metamorphic rock

d) granular rock

9 / 30

9. In the briquette test, the seven-day tensile strength of good Portland cement should not be less than

a) 20 kg/cm^2

b) 30 kg/cm^2

c) 25 kg/cm^2

d) 35 kg/cm^2

10 / 30

10. *The size of bull's trench kiln is

a) circular

b) parabolic

c) elliptical

d) all of the above

11 / 30

11. Plastic asphalt is

a) a mixture of cement and asphalt

b) a natural asphalt

c) a refinery product

d) none of the above

12 / 30

12. The argillaceous rocks have their principal constituents as

a) lime

b) clay

c) sand

d) none of the above

13 / 30

13. *Plastic bitumen is generally used for

a) road pavements

b) painting

c) expansion joints

d) crack filling

14 / 30

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

a) 1%

b) 4%

c) 8%

d) 12%

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. *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%

17 / 30

17. *Porcelain is used as

a) storage vessels

b) hard wares

c) sanitary wares

d) soft wares

18 / 30

18. *The process of heating the limestone to redness in contact with air is termed

a) carbonation

b) oxidation

c) hydration

d) calcination

19 / 30

19. Excess of iron oxide in brick earth causes

a) loss of cohesion

b) decay of bricks

c) the color change i.e. from red to dark blue

d) none of the above

20 / 30

20. *The shape of Hoffman's continuous kiln is

a) circular

b) rectangular

c) pentagonal

d) elliptical

21 / 30

21. Inert filler/adulterant is used in paint to

a) increase the volume

b) reduce the cost

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

d) none of the above

22 / 30

22. *Lacquer is

a) distemper

b) oil paint

c) spirit varnish

d) none of the above

23 / 30

23. 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

24 / 30

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

a) parallel

b) radial

c) perpendicular

d) all of the above

25 / 30

25. *Plywood is identified by

a) volume

b) weight

c) thickness

d) area

26 / 30

26. A badly mixed cement concrete results in

a) segregation

b) bleeding

c) honeycombing

d) none of the above

27 / 30

27. For burning clay products such as sewer pipes, the necessary chemical change is

a) dehydration

b) oxidation

c) vitrification

d) none of the above

28 / 30

28. *The defect in painting over a smooth and glossy surface due to which paint does not stick to the surface, is known as

a) scaling

b) blistering

c) sagging

d) wrinkling

29 / 30

29. *What type of paint do you recommend in doors on the exterior wall of a building?

a) oil distemper

b) French polish

c) varnish (Interior)

d) enamel paint

30 / 30

30. *Extenders used in paints are for

a) smooth surface

b) easy spreading

c) coloring

d) glossy face

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Construction Materials Online Test – Paper 2

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