Building Materials MCQs Set-10

Page 1 of 5

1. In order of increasing percentage of silica, the correct sequence is

Pure clay, sandy clay, calcareous clay

Sandy clay, calcareous clay, pure clay

Calcareous clay, pure clay, sandy clay

None of these

2. Polymerization helps to improve the property of

All of these

Rigidity

Elasticity

Strength

3. Priming consists of

8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil

One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil

None to these

One part of white lead, 8 parts of chalk and one part of linseed oil

4. Rapid hardening cement contains

Di-calcium silicate

Tri-calcium aluminate

Tetra-calcium alumino-ferrite

Tri-calcium silicate

5. The process of mixing clay, water and other ingredients to make brick is known as

Moulding

Kneading

Drying

Pugging

6. Pick up the plutonic rock from the following:

All of these

Basalt

Dolerite

Granite

7. The portion of the brick without a triangular corner equal to half the width and half the length, is called

Closer

Queen closer

Squint brick

King closer

8. The percentage of water for normal consistency, is

10% to 25%

5% to 15%

20% to 30%

15% to 25%

9. Expanded metal is

Measured in term of SWM (short way mesh) and LWM (long way mesh)

Manufactured from steel sheets

Used for reinforced concrete in road pavements

All of these

10. Formula for quick lime, is

Ca(OH)₂

CO3CO2

None to these

CaCO₃

Page 2 of 5

11. The frog of the brick in a brick masonry is generally kept on

Top face

Shorter side

Bottom face

Longer side

12. The moisture content in a well seasoned timber is

4 % to 6 %

10 % to 12 %

15 % to 20 %

100 %

13. For obtaining vinyl chloride acetate, the method used, is

Condensation polymerization

Co-polymerization

Addition polymerization

None of these

14. The most commonly used base for timber painting, is

White lead

Zinc white

Titanium white

Red lead

15. Cement is said to be of good quality if

None of these

A handful of cement thrown into a bucket of water does not float

One feels cool by thrusting one's hand in the cement bag

Its color is not greenish grey

16. Quartzite is a

Metamorphic rock

Calcareous rock

Siliceous rock

Argillaceous rock

17. Lacquer is

None of these

Spirit varnish

Oil paint

Distemper

18. The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is

4

2

3

1

19. The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called

Open hearth process

Bessemer process

Crucible process

Cementation process

20. The silica is used for preparing

All of these

Lining for glass furnaces

Coke oven

Silica bricks

Page 3 of 5

21. Mastic asphalt is

Elastic

Water proof

All of these

Fire proof

22. The cement becomes unsound by the presence of excess

All of these

Lime

Magnesia

Sulphur

23. Manganese steels

Are non-magnetic

All of these

Possess low coefficient of expansion

Possess high electrical resistance

24. For one cubic metre of brick masonry, number of bricks required, is

425

450

400

500

25. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called

Board

Plank

Strip

Slate

26. Duco is one of the patent forms of

Bituminous paints

Plastic paints

Emulsion paints

Cellulose paints

27. For filling cracks in masonry structures, the type of bitumen used, is

Blown bitumen

Cut-back bitumen

Bitumen-emulsion

Plastic bitumen

28. The normal consistency of ordinary Portland cement is about

40 %

30 %

20 %

10 %

29. The coefficient of hardness of stones used in road work should be greater than

15

10

12

17

30. The portion of a brick cut to form angles other than right angles in plan, is known as

King closer

Squint brick

Queen closer

Closer

Page 4 of 5

31. Whitworth compressed steel is obtained when molten steel is subjected to a pressure of

15 kg/mm^2

13 kg/mm^2

9 kg/mm^2

5 kg/mm^2

32. Which one of the following polymers is obtained from condensation polymerization?

Carbamide

All of these

Melamine-formaldehyde

Phenol formaldehyde

33. Which of the following timbers is suitable for making sports goods?

Mahogany

Mulberry

Sal

Deodar

34. The plastics made from cellulose resin

All of these

Are as clear as glass

Possess excellent electrical properties

Are tough and strong

35. If water required for 1 bag of cement is 30 liters, the water cement ratio is :

0.40

0.50

None of these

0.60

36. Plaster of Paris is obtained by calcining

None of these

Bauxite

Gypsum

Lime stone

37. Quartzite, a metamorphic stone is

Crystalline

Hard

Brittle

All of these

38. Wrought iron is used for

Structural works in beams

None of these

Columns and struts

Small sized water pipes

39. The type of steel used for precision levelling staff, is

Carbon steel

Invar

Titanium steel

Stainless steel

40. The timber having maximum resistance against white ants, is obtained from

Shishum

Teak

Chir

Sal

Page 5 of 5

41. The stones obtained by blasting are used as

Road metal

All of these

Ballast in railways

Aggregates for concrete

Building Materials MCQs Set-10

Related

Leave a ReplyCancel reply

Building Materials MCQs Set-8

Building Material MCQs Set-5

Building Materials MCQs Set-12

Building Materials MCQs Set-10

Share this Now with Friends:

Related

Leave a ReplyCancel reply

Related Posts

Building Materials MCQs Set-8

Building Material MCQs Set-5

Building Materials MCQs Set-12