Progression 227 Quiz 1

What is a current use of lime?

• Short-term protection

• Long-term protection

• Decorative purposes

• Fuel production

What problems are caused when an old building is unable to breathe?

• Structural collapse

• Mould, dampness, and human health problems

• Increased energy consumption

• Pest infestation

In what forms can non-hydraulic lime come?

• Liquid and gas

• Putty or powder

• Sheets and blocks

• Pellets and granules

What impurities are present in natural hydraulic lime?

• Iron and copper

• Reactive silica and alumina

• Carbon and nitrogen

• Sulfur and phosphorus

What percentage of limestone is typically used in cement?

• 50%

• 75%

• 25%

• 90%

What are the binders in a render mix?

• Sand and water

• Cement and/or lime

• Clay and limestone

• Pigment and polymer

How long does it usually take for cement to reach its full strength?

• 12 hours

• 24 hours

• 48 hours

• 72 hours

What is the typical thickness of a monocouche render layer?

• 5-10 mm

• 10-15 mm

• 18-20 mm

• 25-30 mm

According to the document, what should be done if additives cause skin irritation?

• Wash from skin straight away

• Apply lotion

• Ignore it

• Cover with a bandage

What does MTI stand for in the context of the document?

• Manufacturers’ Technical Information

• Material Technical Information

• Manufacturers’ Testing Information

• Material Testing Information