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. *Hollow bricks are used for

a) ornamental designs

b) thermal insulation

c) reduction in cost

d) earthquake resistant building

2 / 30

2. *Teakwood is suitable for

a) starts articles

b) furniture

c) railway sleeper

d) all of the above

3 / 30

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

a) 1%

b) 4%

c) 8%

d) 12%

4 / 30

4. *Anti-corrosive paint is ...........in color:

a) black

b) blue

c) white

d) yellow

5 / 30

5. Bitumen paint renders

a) a protective surface

b) a shining surface

c) a smooth surface

d) a hard surface

6 / 30

6. A badly mixed cement concrete results in

a) segregation

b) bleeding

c) honeycombing

d) none of the above

7 / 30

7. The discoloration and formation of white deposits due to the presence of a relatively large proportion of soluble salts in bricks is known as

a) bloating

b) chuffs

c) efflorescence

d) nodules

8 / 30

8. For one cubic meter of brick masonry, the number of machine-made brick required as per NS is

a) 430

b) 530

c) 560

d) 660

9 / 30

9. Which one of the following does not show good cleavage?

a) calcite

b) mica

c) feldspar

d) silica

10 / 30

10. *Bitumen is generally obtained from

a) organic material

b) petroleum product

c) synthetic material

d) coal

11 / 30

11. Trap is a

a) metamorphic rock

b) igneous rock

c) granite rock

d) sedimentary rock

12 / 30

12. 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

13 / 30

13. *The function of frog is

a) to form a key during laying

b) reduction in weight

c) advertisement of the manufacturer

d) all of the above

14 / 30

14. Attrition test on stone is done to find out

a) rate of wear

b) toughness

c) compressive strength

d) hardness

15 / 30

15. 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

16 / 30

16. 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

17 / 30

17. The maximum percentage of silt content for making good tiles is about

a) 20%

b) 30%

c) 40%

d) 50%

18 / 30

18. The paint which has high reflective property is:

a) bronze paint

b) enamel paint

c) asbestos paint

d) cellulose paint

19 / 30

19. Stucco paints are suitable for

a) stone masonry

b) brick walls

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

d) none of the above

20 / 30

20. *Lime concrete is used in

a) foundation of columns

b) roof slabs

c) walls

d) under the floors

21 / 30

21. *The broken portion of brick is called

a) brick

b) bat

c) sill

d) all of the above

22 / 30

22. Which one is correct?

a) PPC gains strength slowly as compared to OPC

b) ultimate strength of PPC is higher than OPC

c) PPC has higher resistance of chemical attack

d) all of the above

23 / 30

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

a) ball mill

b) pug mill

c) rice mill

d) cement mill

24 / 30

24. *The defects in wood due to hardening is

a) knots

b) rind galls

c) burls

d) none of the above

25 / 30

25. Material generally not used as an extender in paints is

a) powdered silica

b) gypsums

c) talc

d) zinc white

26 / 30

26. *The trunk of the tree left after cutting all the branches is known as

a) plank

b) log

c) bauk

d) strip

27 / 30

27. During compressive strength load is applied at the rate of

a) 10 N/mm^2/Min

b) 12 N/mm^2/Min

c) 14 N/mm^2/Min

d) 16 N/mm^2/Min

28 / 30

28. The small areas on the painted surface enclosed by hairline cracks are called

a) crazing

b) crocodiling

c) chalking

d) blistering

29 / 30

29. Which of the following has the lowest crushing strength

a) basalt

b) granite

c) diorite

d) laterite

30 / 30

30. A dry powder obtained on treating quick lime with just enough water to satisfy its chemical affinity for water under the condition of its hydration is called

a) hydraulic lime

b) hydrated lime

c) milk of lime

d) none of the above

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Construction Materials Online Test – Paper 2

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