Building Materials MCQs Set-8

Page 1 of 4

1. Slate is formed by metamorphic action on

Shale

Lime stone

Granite

Sand stone

2. The rocks having alumina or clay as their major constituents are known as

Siliceous rocks

Argillaceous rocks

Calcareous rocks

Sedimentary rocks

3. Age of a tree may be ascertained by

Circumference of its stem

Radius of its stem

Number of annual rings

Number of branches

4. Pick up the correct statement from the following:

Catalysts are added to assist and accelerate the hardening of resin

All of these

Fibrous fillers increase thermal resistance

The fillers are inert materials and they impart strength and hardness

5. Pug mill is used for

Preparation of clay

Moulding of clay

Burning of bricks

Drying of bricks

6. Bulking of sand is caused due to

Viscosity

Air voids

Clay contents

Surface moisture

7. Cross cut saw is used for

Dressing stones

Cutting hard stones

Cutting soft stones

Cutting large blocks of stones

8. A first class brick when immersed in cold water for 24 hours should not absorb water more than

15 %

20 %

22 %

25 %

9. Minimum thickness of wall where single Flemish bond can be used is

Two bricks thick

One brick thick

Half brick thick

One and a half bricks thick

10. The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick

None of these

15 %

20 %

10 %

Page 2 of 4

11. Addition of pozzolana to ordinary Portland cement increases

Bleeding

Heat of hydration

Permeability

Shrinkage

12. What is the answer to this question?The weight of 1 m³ of brick earth, is about

1500 kg

1200 kg

1800 kg

2000 kg

13. For a good building stone, its specific gravity should the greater than

1.5

2.7

1.7

2.2

14. Sea sand used in structures causes

Efflorescence

All of these

Disintegration

Dampness

15. Which of the following bricks are used for lining of furnaces?

First class bricks

Under-burnt bricks

Over-burnt bricks

Refractory bricks

16. The most important tool in brick laying for lifting and spreading mortar and for forming joints is

Scutch

Bolster

Trowel

Square

17. Generally wooden moulds are made from

Deodar wood

Ply wood

Teak wood

Shishum wood

18. Plastics are compounds of carbon with element

All of these

Hydrogen

Oxygen

Nitrogen

19. According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than

21 MPa

11.5 MPa

16 MPa

7 MPa

20. Paints with white lead base are suitable for painting of

Both wood work and iron work

Wood work

Iron work

None of the above

Page 3 of 4

21. Bitumen is generally obtained from

Coal

Synthetic material

Petroleum product

Organic material

22. The minimum compressive strength of 2nd class bricks should be

90 kg/cm2

100 kg/cm2

120 kg/cm2

75 kg/cm2

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

Log

Plank

Batten

Baulk

24. Calcination of iron ores is done

All of these

To remove carbonic acid

To remove moisture

By roasting in heaps

25. Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica

There is no sedimentary rock

Basalt and marble are the only metamorphic rocks

Quartz and mica are minerals

Granite is the only igneous rock

26. The commonly used thinner in oil paints, is

(A) Naphtha

(B) Turpentine

(C) Both (a) and (b)

(D) None the these

27. Which of the following cements is suitable for use in massive concrete structures such as large dams?

Rapid hardening cement

Sulphate resisting cement

Low heat cement

Ordinary Portland cement

28. Glazing of clay products, is done

All of these

To improve their appearance

To protect them from corrosive action

To protect them from atmospheric effect

29. Sandstone is a

(i) Sedimentary rock

(ii) Aqueous rock

(iii) Siliceous rock

The correct answer is

Both (i) and (ii)

All (i), (ii) and (iii)

Only (i)

Both (i) and (iii)

30. Study the following statements.

(i) Hydraulic lime is suitable for white washing,

(ii) Fat lime is suitable for whitewashing,

(iii) Hydraulic lime is suitable for making mortar,

(iv) Fat lime is suitable for making mortar.

The correct answer is

(i) and (ii)

(ii) and (iii)

(iii) and (iv)

(i) and (iv)

Page 4 of 4

31. The foliated structure is very common in

Metamorphic rocks

Sedimentary rocks

Igneous rocks

None of these

32. Cast steel is manufactured by

Crucible process

Cementation process

Bessemer process

Open hearth process

33. Expansion joints in masonry walls are provided if length exceeds

10 m

40 m

30 m

20 m

34. The main constituent which imparts hydraulicity to hydraulic lime is

Water

Clay

Calcium oxide

Silica

35. Pick up the synthetic resin from the following:

Resorcinol resin

All of these

Phenolic resin

Urea resin

36. The pigment used in paints for corrosive resistance, is

Red lead

White lead

Ferrous oxide

Zinc white

37. Which of the following is a mineral?

Syenite

Basalt

Quartz

Granite

38. Smith's test of stones is performed to find out

The toughness of the stone

The compressive strength of the stone

The presence of soluble matter of stone

The hardness of the stone

39. The nominal size of the modular brick is

200 mm × 200 mm × 100 mm

190 mm × 190 mm × 90 mm

200 mm × 100 mm × 100 mm

190 mm × 90 mm × 80 mm

40. The practical limit of moisture content achieved in air drying of timber is

25 %

15 %

5 %

35 %

Building Materials MCQs Set-8

Related

Leave a ReplyCancel reply

Ads by Google

Recent Posts

Membership Registration

Secured Payment

Protection

Building Materials MCQs Set-8

Share this Now with Friends:

Related

Leave a ReplyCancel reply

Ads by Google

Recent Posts

Membership Registration

Secured Payment

Protection