Odds and Ends

Question 1

What are the 3 R’s?

Answer 1

Reduce, re-use and recycle.

Question 2

What is “Planned Obsolescence” or “Built-in Obsolescence”?

Answer 2

A policy of planning or designing a product with a limited useful life, so it will become obsolete.

Question 3

What are the advantages and disadvantages of ‘Planned obsolescence”?

Answer 3

Advantages:

• Newest and best products.
• Money maker for businesses.
• Cheap - Low qaulity components and no matenance.

Disadvantages:

• Wasteful masterials and money.
• Expensive.
• Effects the environment.

Question 4

Market pull and technology push.

Answer 4

Market pull - Customers wanting a new build > Market pulled to update the product.

Technology push - Opposite to market pull > Pushing products onto the market when not needed or wanted. The product becomes desirable.

Question 5

Give examples of compliant materials.

Answer 5

Paper, card amd corrugated card.

Question 6

Explain Litho printing.

Answer 6

A form of printing that only works on something white.

It has a 4 colour system: Magenta, yellow, cyan and black.

Quick and accurate process.

Question 7

What are the following glue primarily used for?:

PVA

Tensol cement

Expoxy resin

Contact adhesive

Answer 7

PVA:

• Wood.
• Paper.
• Leather.

Absorbed by materials - Sinks into the surface.

Tensol cement:

• Acrylic.
• Thermo plastics.

Fuses plastics together via melting the surface.

Epoxy resin:

• Hard materials.
• Non pourous materials.

Contact adhesive:

• Large awkward things.

Instant bonding and drying.

Question 8

Methods of cutting.

Answer 8

CAM -Computer aided manufacture.

Plotter cutter: Cuts stickers and singular boxes.

Milling machine: Can cut any shape - X Y Z. Slow and can cut metals.

Lathe: Cylindrical objects.

Plasma cutter: Metal working - Similar to a laser cutter.

Laser cutter: Fast and accurate. Cannot cut PVC or metal.