CONSTRUCTION MATERIALS

Which of the following is a potential environmental concern associated with certain construction materials?

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Tags

NGSS.MS-LS2-5

Which process in the lime cycle involves the conversion of quicklime back to its original limestone form?

• Slaking

• Carbonation

• Hydration

• Calcination

Which of the following properties is characteristic of good cement?

• Easily moldable

• Dries slowly

• Stiffens or hardens early

• Requires high temperature for setting

What are the primary components of gypsum?

• Carbon and Sulfur

• Silicon and Oxygen

• Iron and Carbon

• Calcium, Sulfur, Oxygen and Water

Tags

NGSS.MS-PS1-1

Which industrial sector predominantly utilizes asphalt for its operations?

• Textile manufacturing

• Chemical processing

• Food packaging

• Road construction

Tags

NGSS.MS-ETS1-2

What is the bonding agent for cement?

• Air bonding agent

• Hydraulic bonding agent

What is geopolymer 3D printing?

• Inorganic materials and Portland cement

• Organic materials and zero-cement

• Inorganic materials and zero-cement

• Organic materials and Portland cement

Tags

NGSS.MS-PS1-3

How spent coffee ground (SCG) can reduce the thermal conductivity of plaster composite?

• Containing organic materials

• Increased porosity

• Increased more air pockets

• Regular shape

Those are advantages of geopolymer 3D printing, except

• Reduce CO2

• Withstand with temperature lower than 1200^oC

• Fast setting time

• Corrosion resistance

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

Which one is about Mortar?

• Binding element in both concrete and mortar

• Used for building: foundations, slabs, patios & masonry

• Used as glue to hold bricks, blocks together