unit 1- Construction Materials-Introduction

knowledge on construction materials is necessary because

• causes cost effectiveness in the project

• quick completion of the project

• enhance quality of the project

• none of the above

which is the first invented construction material

• bricks

• timber

• stones

• cement

Which of the following materials are used to make concrete?

• bricks bats,lime, sand ,water

• flyash,lime,water

• sand,stones, lime,water

• cement, coarse aggregate, fine aggregate, water

which among the following is modern material used in construction?

• timber

• stone

• cement

• geomembranes and geotextiles

stones are formed due to disintegration of

• limestone

• rocks

• sandstone

• none of the above

There are how many types of rocks according to geological classification

• 2

• 3

• 4

• 5

Deterioration of rocks can be prevented?

• true

• false

stones are useful in construction due to its

• biological properties

• geological properties

• chemical properties

• strong physical properties

In a mortar, the binding material is

• CEMENT

• SAND

• SURKHI

• CINDER

Which of these materials gets easily deteriorated

• concrete

• timber

• glass

• stone