AQA GCSE Design and Technology 8552 - Unit 5B

<p>Kiln drying is faster and more consistent than air drying. (C)</p> Signup and view all the answers

<p>Air drying uses less energy than kiln drying. (B)</p> Signup and view all the answers

<p>Lower labor costs. (B), Increased speed and efficiency. (D)</p> Signup and view all the answers

<p>Seasoning reduces the moisture content of timber, making it more stable. (B)</p> Signup and view all the answers

<p>Color change (C)</p> Signup and view all the answers

<p>Providing an environment for leisure activities (D)</p> Signup and view all the answers

<p>Younger trees are selectively removed to reduce competition (B)</p> Signup and view all the answers

<p>It ensures a continuous cycle of growth and replanting (A)</p> Signup and view all the answers

<p>Fully resistant to environmental damage (B)</p> Signup and view all the answers

<p>Regular thinning and replanting of trees (A)</p> Signup and view all the answers

<p>Manufactured board is less environmentally friendly (C)</p> Signup and view all the answers

<p>Around five years old (D)</p> Signup and view all the answers

<p>Employing reforestation and responsible harvesting practices (B)</p> Signup and view all the answers

<p>To improve material properties through layering (D)</p> Signup and view all the answers

<p>To avoid warping of the board (C)</p> Signup and view all the answers

<p>It is produced from random orientations of strands and chips (C)</p> Signup and view all the answers

<p>They generally incorporate more wood waste than traditional wood products. (C)</p> Signup and view all the answers

<p>They can be hazardous when inhaled. (B)</p> Signup and view all the answers

<p>To produce long ribbons of thin veneer from a tree trunk (C)</p> Signup and view all the answers

<p>They can lead to sharp edges that are difficult to finish. (C)</p> Signup and view all the answers

<p>They often require more complex joining techniques. (A)</p> Signup and view all the answers

<p>To restrict the unauthorized copying and distribution of the copyrighted materials. (B), To clarify the limitations of the licence agreement for using and sharing the materials. (D)</p> Signup and view all the answers

<p>Users are prohibited from sharing any content with individuals outside of their institution. (A)</p> Signup and view all the answers

<p>A university researcher incorporates excerpts from the materials into a published research paper, citing the source. (C)</p> Signup and view all the answers

<p>A contractual agreement for the licensing of copyrighted materials. (B)</p> Signup and view all the answers

<p>PG Online Limited, the copyright holder of the materials. (C)</p> Signup and view all the answers

<p>Warping (D)</p> Signup and view all the answers

<p>Kiln drying controls the rate of drying, preventing rapid shrinkage that can lead to faults. (B)</p> Signup and view all the answers

<p>To prevent the timber from splitting. (A)</p> Signup and view all the answers

<p>Increased biodiversity. (C)</p> Signup and view all the answers

<p>By promoting the use of sustainable forest management practices. (C)</p> Signup and view all the answers

<p>They are a combination of wood fibers and synthetic materials, like adhesives. (C)</p> Signup and view all the answers

<p>Loss of vegetation and biodiversity. (C)</p> Signup and view all the answers

<p>To improve the appearance and aesthetic value of the boards. (B)</p> Signup and view all the answers

The process of transforming logs into usable timber.

Removing moisture from timber to prevent warping.

Timber products made from wood fibers and adhesives.

Managing resources to avoid depletion for future generations.

The process of selectively removing some trees for better growth.

The act of cutting down trees.

Positive impacts of well-managed forests, like recreation and jobs.

Over 23,000 types exist, and wood is a durable material.

A legal right that grants the creator exclusive control over their work.

A contract that outlines the usage rights of materials provided.

The individual or entity that uses the licensed materials.

Materials can only be freely used within a single institution.

Prohibits copying or sharing materials without permission.

Defects that occur in timber as it dries, including bowing, splitting, springing, cupping, and twisting.

A defect where timber bends or curves due to uneven drying.

When timber separates or develops cracks as it dries.

A defect where the face of the timber becomes concave or convex, creating a cup-like shape.

A defect where timber rotates along its length, causing a spiral effect.

The unauthorized harvesting of timber, leading to environmental damage.

The origin and sourcing of timber, ensuring sustainability and legality.

Comparing traditional hand tools to modern machinery for tree cutting.

Planed All Round; a smoother finish on timber.

Newly felled timber with over 50% moisture content.

A faster method of seasoning timber using controlled heat.

Timber that has been cut but not smoothed.

The amount of water present in wood, affecting its use.

Boards made by layering materials with heat, pressure, and adhesives.

A technique where thin layers are glued together at 90° angles for strength.

Combining wood shreds, chips, or pulp using heat and adhesives to form a larger board.

Type of board made from compressed wood shreds oriented in a specific direction.

Creating veneer by rotating a tree trunk on a machine, similar to a lathe.

Large, defect-free sheets; often made from waste wood; various finishes available.

May have hazardous adhesives; prone to moisture absorption; cannot use traditional joints.

The managed cultivation of trees for timber production, involving sustainable practices.