test 1_building construction and materials

1. wood is one of the most traditional materials, however it can eventually degraded by .......

• fungi

• water

• insects

• bacteria

preservation of wood is important due to two reason below. Select the correct answer.

• control usage of wood

• ensure good timber quality

• versatility / aesthetic purposes

• durability

Define aggregate in civil engineering term.

• A clay that prominently composed into individual particles.

• stone that prominently composed into individual particles.

• A mass of crush stone, gravel , clay, silts and sand that prominently composed of individual particles.

• A crush jewel that prominently composed of individual particles.

select THREE (3) natural source of aggregates.

• gravel pits

• fossil fuels

• river run deposits

• rock quarries

there are THREE (3) direction to be consider when cutting out tree, such as...

• longitudinal

• latitude

• radial

• tangential

Select FOUR (4) reason why wood continues to be an important material in the construction industry.           

• aesthetic

• durability

• easy to use

• availability

• low cost

it is located at the central core of the tree, it can be solid, porous or hollow. what is 'it'?

• heartwood

• sapwood

• cambium

• pith

Particle surface texture are consider as a very important properties for the use as asphalt concrete.

select TWO (2) correct types of particle surface of this kind.

• hexagon shape aggregates

• rounded aggregates

• rough surface aggregates

• angular aggregates

its function to storehouse for starches and as a pipeline to transport sap. what is 'it'?

• latewood

• pith

• heartwood

• sapwood

the wood compromised of two section. first is ​ heartwood that is often dark color,

second is ​ .............................. that surrounded the first section.