Building Materials MCQs

Question 1

If ‘P’ is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

Accepted Answer

0.85 P

Answer

0.70 P

Answer

0.75 P

Answer

0.80 P

Question 2

The type of roof which slopes in two directions with a break in the slope on each side is known as

Accepted Answer

Gambrel roof

Answer

Gable roof

Answer

Hip roof

Answer

Mansard roof

Question 3

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

Accepted Answer

Cementation process

Answer

Crucible process

Answer

Bessemer process

Answer

Open hearth process

Question 4

Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength

Accepted Answer

(i) and (iv)

Answer

(i) and (ii)

Answer

(ii) and (iii)

Answer

(iii) and (iv)

Question 5

Plywood has the advantage of

Accepted Answer

Same tensile strength in all directions

Answer

Greater tensile strength in longer direction

Answer

Greater tensile strength in shorter direction

Answer

None of the above

Question 6

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

Accepted Answer

2.7

Answer

1.5

Answer

1.7

Answer

2.2

Question 7

In arches, stratified stones are placed so that their planes are

Accepted Answer

Radial

Answer

Parallel

Answer

Perpendicular

Answer

None of these

Question 8

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

Accepted Answer

9 kg/mm2

Answer

5 kg/mm2

Answer

13 kg/mm2

Answer

15 kg/mm2

Question 9

To give a brilliant finish, the type of varnish used, is

Accepted Answer

Spirit varnish

Answer

Water varnish

Answer

Turpentine varnish

Answer

Oil varnish