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. Suitable stone for a gravity retaining wall is

a) light

b) heavy

c) hard

d) soft

2 / 30

2. The most economical methods of sawing wood is

a) radial sawing

b) tangential sawing

c) quarter sawing

d) flat sawing

3 / 30

3. The types of cement used for patch works of pavement are

a) OPC

b) expansive

c) PPC

d) RHPC

4 / 30

4. The quality of lime is checked by

a) slaking

b) dimension test

c) seasoning

d) ball test

5 / 30

5. *What is the essential constituent of varnish paint?

a) linseed oil

b) resin

c) zinc sulfate

d) soda

6 / 30

6. The initial and final setting times of ordinary Portland cement are

a) 30 minutes and 10 hr

b) 15 minutes and 10 hr

c) 15 minutes and 5 hr

d) none of the above

7 / 30

7. *The internal size of the mould used in brick preparation is

a) smaller than the size of fully burnt brick

b) larger than the size of fully burnt brick

c) equal to the size of fully burnt brick

d) none of the above

8 / 30

8. Storage of cement should be done on

a) wet platform

b) dry platform

c) brick soling

d) the ground

9 / 30

9. The raw materials having more than 10% proportion in the manufacture of cement are

a) calcium oxide and silica

b) calcium oxide and magnesium oxide

c) magnesium oxide and ferrous oxide

d) silica and ferrous oxide

10 / 30

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

a) top face

b) bottom face

c) exposed face

d) interior face

11 / 30

11. *Lacquer is

a) distemper

b) oil paint

c) spirit varnish

d) none of the above

12 / 30

12. The top and sides of a clamp (pazawah) is plastered with mud and cow dung to prevent....

a) stealing of brick

b) low quality brick

c) escape of heat

d) firing the neighboring houses

13 / 30

13. The argillaceous rocks have their principal constituents as

a) lime

b) clay

c) sand

d) none of the above

14 / 30

14. The dry process of manufacturing cement has become obsolete because, in comparison to the wet process

a) it is slow and costly

b) the quality of cement produced by it is inferior

c) it is difficult to maintain the correct proportions of constituents

d) all of the above

15 / 30

15. *Spalling hammer is used for

a) rough dressing of stones

b) quarrying of stones

c) carving of stones

d) priming needle

16 / 30

16. The solvent used in cement paints is

a) turpentine

b) water

c) spirit

d) kerosene

17 / 30

17. Refractory bricks are specially manufactured

a) to withstand high crushing pressure

b) to withstand high temperature

c) to have high insulation against sound

d) none of the above

18 / 30

18. Most weather-resisting metamorphic rock is

a) lime stone

b) slate

c) marble

d) quartzite

19 / 30

19. *Slate stone is a

a) igneous rock

b) sedimentary rock

c) metamorphic rock

d) granular rock

20 / 30

20. Laterite is an example of

a) agrillaceous rock

b) volcanic rock

c) organic rock

d) siliceous rock

21 / 30

21. *The over ground continuous kiln is

a) bull's trench kiln

b) hoffman's kiln

c) tunnel kiln

d) all of the above

22 / 30

22. *The function of paint is

a) to give a clean, colorful, and pleasing surface

b) to increase the life of the painted surface

c) to protect the surface from corrosion and other weather effects

d) all of the above

23 / 30

23. Which one is correct?

a) normally concreting is done above 20┬░C

b) the optimum temperature for concreting is 27┬░┬▒2┬░

c) consistency test is done at a temperature of 25┬░C to 29┬░C

d) all of the above

24 / 30

24. Dolomite bricks are.

a) basic refractory bricks

b) acid refractory bricks

c) ordinary fire bricks

d) neutral refractory bricks

25 / 30

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

a) circular

b) rectangular

c) pentagonal

d) elliptical

26 / 30

26. Which of the following has the highest crushing strength

a) limestone

b) granite

c) gneiss

d) laterite

27 / 30

27. *Types of rock used for lightweight aggregate is

a) shale

b) pumice

c) conglomerate

d) slate

28 / 30

28. *Lime is obtained from

a) lime stone

b) sand stone

c) trap

d) silica

29 / 30

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

a) alkalies

b) pebbles

c) manganese

d) iron oxide

30 / 30

30. Emulsion paints contain:

a) nitro cotton

b) zinc white

c) white lead

d) polyvinyl acetate

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Construction Materials Online Test – Paper 2

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