AQC4.1 Carbon capture and storage

Which ONE will increase heat in that building?

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• 
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When do scientists predict the ozone layer will heal and return to pre-1980 levels?

• Between the years 2050 and 2065

• By the year 2030

• Between the years 2080 and 2090

• By the year 3000

Here are the major factors contributed to the thermal comfort EXCEPT?

• Air temperature

• Humidity

• Radiant temperature

• Air speed

• Lux

What are THREE elements that focus on Green Building

Index (GBI)

• Transportation

• Energy

• Water

• Materials

The percentage of carbon in grey iron castings usually varies between

• 0.5 to 1%

• 1 – 2%

• 2.5 to 4.5%

• 5 – 7%

Carbon steel is

• Made by adding carbon in steel

• Refined from cast iron

• an alloy of iron and carbon with varying quantities of phosphorus and sulphur

• extremely brittle.

Ozone can be destroyed by the following free radical(s)

• Hydroxyl Radicals (OH∙)

• Nitric Oxide Radical (NO∙)

• Chlorine Radical (Cl∙)

• All of The Above

Where is the 'hole' in the ozone layer located?

• Over the United States

• Over Europe

• Over Antarctica

• Around the equator

Biotite is a silicate mineral in group of ___________

• Quartz

• Feldspar

• Pyroxene

• Mica

Which of the following has the largest particles size?

• Clay soil

• Sandy soil

• Silt soil