Building Materials MCQs Set-8

Page 1 of 4

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

Low heat cement

Rapid hardening cement

Ordinary Portland cement

Sulphate resisting cement

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

Batten

Plank

Baulk

Log

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

The toughness of the stone

The presence of soluble matter of stone

The hardness of the stone

The compressive strength of the stone

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

Iron work

Wood work

Both wood work and iron work

None of the above

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

2.2

2.7

1.5

1.7

6. 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)

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

15 %

5 %

35 %

25 %

8. Slate is formed by metamorphic action on

Granite

Lime stone

Sand stone

Shale

9. Generally wooden moulds are made from

Teak wood

Ply wood

Shishum wood

Deodar wood

10. Pick up the synthetic resin from the following:

All of these

Phenolic resin

Resorcinol resin

Urea resin

Page 2 of 4

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

1200 kg

1500 kg

2000 kg

1800 kg

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

Square

Trowel

Bolster

Scutch

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

Calcium oxide

Clay

Water

Silica

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

40 m

10 m

30 m

20 m

15. Glazing of clay products, is done

All of these

To protect them from corrosive action

To protect them from atmospheric effect

To improve their appearance

16. Pick up the correct statement from the following:

The fillers are inert materials and they impart strength and hardness

Catalysts are added to assist and accelerate the hardening of resin

Fibrous fillers increase thermal resistance

All of these

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

Zinc white

Ferrous oxide

Red lead

White lead

18. 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

(ii) and (iii)

(iii) and (iv)

(i) and (ii)

(i) and (iv)

19. Which of the following is a mineral?

Quartz

Basalt

Granite

Syenite

20. 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

Granite is the only igneous rock

Quartz and mica are minerals

Page 3 of 4

21. Sea sand used in structures causes

All of these

Disintegration

Efflorescence

Dampness

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

Calcareous rocks

Argillaceous rocks

Sedimentary rocks

Siliceous rocks

23. Bitumen is generally obtained from

Petroleum product

Synthetic material

Coal

Organic material

24. 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

15 %

None of these

20 %

10 %

25. Cross cut saw is used for

Dressing stones

Cutting hard stones

Cutting soft stones

Cutting large blocks of stones

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

Under-burnt bricks

Over-burnt bricks

First class bricks

Refractory bricks

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

15 %

20 %

25 %

22 %

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

100 kg/cm2

75 kg/cm2

120 kg/cm2

90 kg/cm2

29. Age of a tree may be ascertained by

Number of annual rings

Circumference of its stem

Radius of its stem

Number of branches

30. 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

Page 4 of 4

31. Plastics are compounds of carbon with element

Hydrogen

All of these

Oxygen

Nitrogen

32. The commonly used thinner in oil paints, is

(B) Turpentine

(A) Naphtha

(C) Both (a) and (b)

(D) None the these

33. Calcination of iron ores is done

To remove moisture

All of these

To remove carbonic acid

By roasting in heaps

34. Pug mill is used for

Burning of bricks

Preparation of clay

Moulding of clay

Drying of bricks

35. The foliated structure is very common in

Metamorphic rocks

Igneous rocks

None of these

Sedimentary rocks

36. The nominal size of the modular brick is

200 mm × 100 mm × 100 mm

190 mm × 90 mm × 80 mm

190 mm × 190 mm × 90 mm

200 mm × 200 mm × 100 mm

37. Addition of pozzolana to ordinary Portland cement increases

Shrinkage

Permeability

Heat of hydration

Bleeding

38. Cast steel is manufactured by

Bessemer process

Open hearth process

Crucible process

Cementation process

39. Bulking of sand is caused due to

Air voids

Clay contents

Viscosity

Surface moisture

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

16 MPa

7 MPa

21 MPa

11.5 MPa

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