Building Materials MCQs Set-8

Page 1 of 4

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

Both wood work and iron work

None of the above

Wood work

Iron work

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

1500 kg

1800 kg

2000 kg

1200 kg

3. Pick up the correct statement from the following:

The fillers are inert materials and they impart strength and hardness

All of these

Catalysts are added to assist and accelerate the hardening of resin

Fibrous fillers increase thermal resistance

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

Log

Batten

Baulk

Plank

5. Age of a tree may be ascertained by

Number of branches

Circumference of its stem

Number of annual rings

Radius of its stem

6. Cast steel is manufactured by

Bessemer process

Crucible process

Cementation process

Open hearth process

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

Ordinary Portland cement

Low heat cement

Rapid hardening cement

Sulphate resisting cement

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

One brick thick

One and a half bricks thick

Two bricks thick

Half brick thick

9. Pug mill is used for

Preparation of clay

Burning of bricks

Moulding of clay

Drying of bricks

10. Plastics are compounds of carbon with element

Nitrogen

Oxygen

All of these

Hydrogen

Page 2 of 4

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

Granite is the only igneous rock

There is no sedimentary rock

Basalt and marble are the only metamorphic rocks

Quartz and mica are minerals

12. 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

10 %

None of these

20 %

15 %

13. The nominal size of the modular brick is

200 mm × 100 mm × 100 mm

190 mm × 190 mm × 90 mm

190 mm × 90 mm × 80 mm

200 mm × 200 mm × 100 mm

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

7 MPa

11.5 MPa

16 MPa

21 MPa

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

5 %

35 %

25 %

15 %

16. Glazing of clay products, is done

To improve their appearance

All of these

To protect them from atmospheric effect

To protect them from corrosive action

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

20 %

15 %

22 %

25 %

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

Sedimentary rocks

Argillaceous rocks

Calcareous rocks

Siliceous rocks

19. Slate is formed by metamorphic action on

Shale

Lime stone

Granite

Sand stone

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

2.2

2.7

1.5

1.7

Page 3 of 4

21. Bulking of sand is caused due to

Air voids

Surface moisture

Viscosity

Clay contents

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

Red lead

Ferrous oxide

White lead

Zinc white

23. Sandstone is a

(i) Sedimentary rock

(ii) Aqueous rock

(iii) Siliceous rock

The correct answer is

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

Both (i) and (ii)

Only (i)

Both (i) and (iii)

24. Calcination of iron ores is done

To remove carbonic acid

All of these

To remove moisture

By roasting in heaps

25. The commonly used thinner in oil paints, is

(C) Both (a) and (b)

(B) Turpentine

(D) None the these

(A) Naphtha

26. Sea sand used in structures causes

Efflorescence

Disintegration

Dampness

All of these

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

20 m

30 m

10 m

40 m

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

Scutch

Trowel

Square

Bolster

29. Bitumen is generally obtained from

Coal

Petroleum product

Synthetic material

Organic material

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

Under-burnt bricks

Over-burnt bricks

Refractory bricks

First class bricks

Page 4 of 4

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

75 kg/cm2

90 kg/cm2

120 kg/cm2

100 kg/cm2

32. Which of the following is a mineral?

Quartz

Granite

Syenite

Basalt

33. 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)

(i) and (iv)

(iii) and (iv)

34. Pick up the synthetic resin from the following:

All of these

Phenolic resin

Urea resin

Resorcinol resin

35. Generally wooden moulds are made from

Teak wood

Shishum wood

Deodar wood

Ply wood

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

The presence of soluble matter of stone

The hardness of the stone

The compressive strength of the stone

The toughness of the stone

37. The foliated structure is very common in

None of these

Sedimentary rocks

Igneous rocks

Metamorphic rocks

38. Addition of pozzolana to ordinary Portland cement increases

Bleeding

Permeability

Heat of hydration

Shrinkage

39. Cross cut saw is used for

Cutting soft stones

Cutting large blocks of stones

Cutting hard stones

Dressing stones

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

Clay

Silica

Water

Calcium oxide

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