Building Materials MCQs Set-12

Page 1 of 4

1. According to ISI, bitumen is classified into

4 grades

8 grades

2 grades

10 grades

2. Turpentine oil is used in paints as

Drier

Base

Thinner

Vehicle

3. Cast iron is used for

None of these

Columns and struts

Small sized water pipes

Structural works in beams

4. The rocks formed by gradual deposition, are called

Metamorphic rocks

None of these

Igneous rocks

Sedimentary rocks

5. Iron ore may contain

Silicon

Phosphorus and manganese

Carbon

All of these

6. Jhumb bricks are

Under burnt

Over burnt

None of these

Kutcha

7. Plastic

Consists of natural or synthetic binders

All of these

Is an organic substance

Finished products are rigid and stable at normal temperature

8. Pig iron is manufactured from the ores by

All of these

Smelting

Dressing

Calcination and roasting

9. The size of mould for bricks, is generally kept

A little small to specified size

Equal to specified size

10% larger than specified size

A little large to specified size

10. Stones used for ornamental work must be

Soft

Hard

Light

Heavy

Page 2 of 4

11. Lime stone is not a

Sedimentary rock

Aqueous rock

Metamorphic rock

Stratified rock

12. The thermosetting plastic

Chars at 343°C

Becomes rigid when moulded at suitable pressure and temperature

At 127°C to 177°C permanently set and further application of heat does not soften it

All of these

13. Galvanising means covering iron with a thin coat of

Tin

Coal tar

Glaze

Zinc

14. A stone is rejected if it absorbs water more than

10 %

5 %

20 %

15 %

15. Refractory bricks resist

Dampness

All of these

High temperature

Chemical action

16. Ultimate strength to cement is provided by

Tetra calcium alumino ferrite

Tri-calcium aluminate

Tri-calcium silicate

Di-calcium silicate

17. The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as

Rindgalls

Knots

Burls

None of these

18. Seasoning is

Coating with tar

Creosoting

Painting with sodium silicate

A process of removing sap

19. French polish is

Oil paint

Spirit varnish

None to these

Distemper

20. Soundness test of cement determines

Initial setting

Quality of free lime

Ultimate strength

Durability

Page 3 of 4

21. Commonly used thinner in

Lacquer paints, is alcohol

All of these

Oil paints, is naphtha

Cellulose paints is ethyl acetate

22. The rocks in which argil (or clay) predominates, are called

Siliceous rocks

Igneous rocks

Argillaceous rocks

Calcareous rocks

23. The most commonly used synthetic abrasive is

Silicon

Boric acid

All of these

Aluminium carbide

24. Snowcrete is one of the patent forms of

Water proof cement paints

Enamel paints

Distempers

Cellulose paints

25. Name the type of cement from the following for canal linings:

Sulphate resisting cement

Pozzolana cement

Quick setting cement

Rapid hardening cement

26. For construction of structures under water, the type of lime used, is

Fat lime

Hydraulic lime

Pure lime

Quick lime

27. Stucco paints are suitable for

(D) Neither (A) nor (B)

(C) Both (A) and (B)

(B) Brick walls

(A) Stone masonry

28. Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

Baulk

Strip

Cant

Deal

29. Geologically, marble is known as

Sedimentary rock

Metamorphic rock

Stratified rock

Igneous rock

30. Wrought iron contains carbon about

1.5% to 5.5%

None to these

0.1% to 0.25%

0.5% to 1.75%

Page 4 of 4

31. Bitumen completely dissolves in

All of these

Carbon bisulphide

Chloroform

Coal tar

32. During smelting process, the combination of fuel in the furnace

Carbon dioxide with carbon forms carbon mono-oxide

All the above

Forms carbon dioxide

Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2

33. Rocks formed due to alteration of original structure due to heat and excessive pressure are called

Metamorphic rocks

Sedimentary rocks

None of these

Igneous rocks

34. Basalt is

Intrusive igneous rock

Extrusive igneous rock

Sedimentary rock

Metamorphic rock

35. The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:

Heart shakes

Twisted fibres

Wind cracks

Radial shakes

Building Materials MCQs Set-12

Related

Leave a ReplyCancel reply

Secured Payments

Protection

Building Materials MCQs Set-12

Share this Now with Friends:

Related

Leave a ReplyCancel reply

Secured Payments

Protection