Building Materials MCQs

Question 1

The amount of water used for one kg of distemper is

Accepted Answer

0.6 liter

Answer

0.2 liter

Answer

0.4 liter

Answer

0.8 liter

Question 2

Granite is not suitable for ordinary building purpose because

Accepted Answer

It is costly

Answer

It can not be polished

Answer

It is not a fire proof material

Answer

It has less crushing strength

Question 3

The frog of the brick in a brick masonry is generally kept on

Accepted Answer

Top face

Answer

Bottom face

Answer

Shorter side

Answer

Longer side

Question 4

Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth?

Accepted Answer

Silica and alkalies

Answer

Lime stone and alumina

Answer

Alumina and iron

Answer

Alkalies and magnesium

Question 5

Gypsum is a

Accepted Answer

Chemically precipitated sedimentary rock

Answer

Mechanically formed sedimentary rock

Answer

Igneous rock

Answer

Metamorphic rock

Question 6

Excess of alumina in brick earth makes the brick

Accepted Answer

To crack and warp on drying

Answer

Impermeable

Answer

Brittle and weak

Answer

To lose cohesion

Question 7

A good brick earth should contain:

Accepted Answer

All the above

Answer

About 20% to 30% of alumina

Answer

About 50% to 60% of silica

Answer

Not more than 5% of lime

Question 8

For preparing porcelains, the clay should be

Accepted Answer

All the above

Answer

Sufficiently pure

Answer

Of high degree of tenacity

Answer

Of good plasticity

Question 9

Bessemer process is used for the manufacture of

Accepted Answer

Steel

Answer

Pig iron

Answer

Cast iron

Answer

Wrought iron