IB DP Design Technology Chapter 4 Raw Material to final product

What is a property of metals that makes them suitable for use in the construction industry?

• a) They are non-magnetic.

• b) They are brittle.

• c) They are poor conductors of heat and electricity.

• d) They are ductile and malleable.

Which of the following is NOT a natural material?

• a) Timber.

• b) Glass.

• c) Cotton.

• d) Silk.

Answer explanation

Timber, glass, and silk are natural materials, while cotton is a natural fiber that is harvested from plants.

Which type of plastic is commonly used for packaging due to its high transparency and toughness?

• a) Polyethylene terephthalate (PET).

• b) Polyvinyl chloride (PVC).

• c) Polycarbonate (PC).

• d) Polystyrene (PS).

What is the process of joining two pieces of metal by melting them with a filler metal called?

• a) Brazing.

• b) Welding.

• c) Soldering.

• d) Adhesive bonding.

Which of the following manufacturing processes involves removing material from a workpiece using a rotating cutting tool?

• a) Milling.

• b) Forging.

• c) Casting.

• d) Extrusion.

What type of production system is characterized by a high level of customization and low volume of production?

• a) Mass production.

• b) Batch production.

• c) One off production.

• d) Continuous production.

Answer explanation

One off production is a type of production system in which goods are produced in small batches or even individually, with a high degree of customization and attention to detail. This type of production is suitable for products that are unique, complex, or require special attention, and typically involves higher labor costs and longer lead times. Can also be known as job production

Which of the following is a benefit of using robots in automated production?

• a) Reduced efficiency.

• b) Higher labor costs.

• c) Improved safety.

• d) Increased waste.

What is the scale of production when a single unit is produced at a time?

• a) Continuous production.

• b) One off production.

• c) Mass production.

• d) Batch production.

Which of the following is NOT a natural fiber?

• a) Cotton.

• b) Wool.

• c) Rayon.

• d) Silk.

What is the process of shaping a material by applying heat and pressure called?

• a) Extrusion.

• b) Injection molding.

• c) Compression molding.

• d) Blow molding.