Unit 1 - BCBM

Lime sets by absorbing water soluble Carbon Dioxide from the air. This process is called ____

• calcination

• carbonation

• slacking

• lime burning

____ stone masonry Made of irregularly shaped stones and is the most economical and simplest form of stone masonry

• Rubble

• Random Ashlar

• Ashlar

• Coursed ashlar

Stones can come from various sources such as

• Natural Deposits

• all t he above

• Volcanic activity

• Metamorphic rocks

___ is a type of building construction technique where stones are cut, shaped, and assembled to form a structure

• Stone masonry

• stone bonding

• stone polishing

• all the above

Geological stones can be classified as Igneous, sedimentary and

• Foliated

• Siliceous

• Calcareous

• Metamorphic

___ mortar can provide a breathable structure in construction

• lime

• mud

• cement

• all the above

Physically stones can be classified as Stratified, Unstratified and ___

• Metamorphic

• Foliated

• Calcareous

• Siliceous

When pure limestone is burnt the by-product obtained is ___ lime

• hydraulic

• caustic

• lump

• quick

Lime re-absorbs the CO₂ when it cures and sets

• true

• false

Different types of stone, such as marble, granite, ___ and ___

• POP

• sandstone

• limestone

• All the above