Quality Control
What is a DOP?
Declaration of Performance
What are the three main ingredients of concrete?
Aggregate, water and cement
Ferrous metals contain?
Iron
What is the main property of stone?
Durability
Main timber grown in Ireland?
Sitka Spruce
What is FPC?
Factory Production Control
Main health and safety concern when working with wet concrete?
Concrete burns to the skin
What is an alloy?
A mixture of two or more metals
Name the three classes of stone?
Igneous, sedimentary and metamorphic
Name the two main types of trees?
Hardwood and Softwood
Building Regulation covering materials and workmanship
Technical Guidance Document D, Materials and Workmanship (2013)
What does GGBS stand for?
Ground Granulated Blastfurnace Slag (GGBS)
Which provides a better surface finish - hot rolling or cold rolling?
Cold rolling
How are igneous rocks formed?
Stones formed by the cooling of molten magma or lava
List three properties of timber?
Thermal Insulation, Chemical Resistance, Strength, Durability and Fire Resistance
What is BCAR?
Building Control (Amendment) Regulations 2014
What is clinker?
Product which comes out of the kiln after being heated to 1450 degrees
What is pig iron?
Made in a blast furnace and is a mixture of iron ore, coke, limestone and other materials. Heated at 1100⁰C, the carbon in the coke reacts with the molten iron forming pig iron
How are metamorphic rocks formed?
These consist of older stones which have been subjected to immense heat and high pressure causing structural change
Name the two main certification bodies for sustainably sourced timber?
Forest Stewardship Council (FSC) and Programme for the Endorsement of Forest Certification (PEFC)
Regulation which requires a CE marking on all construction products
CPR (Construction Products Regulation) 2011
What type of chemical reaction takes place during the heat of hydration process?
Exothermic reaction
Pig Iron + Manganese + Silicon – Sulphur – Phosphorous = ?
Steel
Aggregate used in terrazzo flooring?
Crushed marble
List the 4 main parts of a tree?
Bark, Sapwood, Heartwood and Pith