Section A S22 (quiz 2)

Which of the following processes could be used to form the shape of a wooden mobile phone stand?

• Steam bending

• Cutting

• Casting

• Laminating

Answer explanation

Steam bending allows wood to be shaped by applying heat and moisture, making it flexible. Laminating involves gluing layers of wood together, which can create complex shapes. Both processes are suitable for forming a wooden mobile phone stand.

What is a countersunk hole used for?

• To hold screws flush with the surface

• To create a pilot hole

• To allow for easier drilling

• To provide extra grip for screws

Answer explanation

A countersunk hole is specifically designed to hold screws flush with the surface, allowing for a smooth finish and preventing the screw head from protruding.

What is the process of removing excess hardness from steel called?

• Normalising

• Tempering

• Annealing

• Alloying

Answer explanation

Tempering is the process used to reduce excess hardness in steel, improving its toughness and ductility. It involves heating the steel to a specific temperature and then cooling it, which helps relieve internal stresses.

What must be done to a mild steel rod before using a circular split die to cut a screw thread?

• Heat it

• • File the end

• Drill a hole

• Sand it

Answer explanation

Before using a circular split die to cut a screw thread on a mild steel rod, it is essential to file the end. This ensures a smooth surface for the die to grip and cut accurately, preventing damage to both the die and the rod.

Planned obsolescence is when a product:

• Becomes an antique

• Lasts for a fixed period of time

• Takes many years to design

• Is constructed from the best materials

Answer explanation

Planned obsolescence refers to designing products to last for a fixed period of time, encouraging consumers to replace them. This contrasts with products that become antiques or are made from high-quality materials.

Which plastic is suitable for this food packaging?

• • Polycarbonate

• Polyethylene

• PVC

• Polystyrene

• HIPS

Answer explanation

Polyethylene, PVC, and Polystyrene are suitable for food packaging due to their safety and barrier properties. Polycarbonate is not recommended for food contact as it can leach harmful chemicals.

What is one benefit of using PET food packaging?

• It is biodegradable

• It is lightweight

• It is very expensive

Answer explanation

One benefit of using PET food packaging is that it is lightweight, making it easier to transport and handle. This contrasts with the other options, as PET is not biodegradable and is generally not considered very expensive.

What type of knock-down (KD) fitting is shown.

• Corner block

• Cam lock

• Bolt

• Nut

Answer explanation

The fitting shown is a corner block, which is used to connect two pieces of furniture at a right angle. It provides stability and is commonly used in assembly, distinguishing it from cam locks, bolts, and nuts.

What is one advantage of stool B (aluminium tube with a canvas seat) over stool A (made from oak)?

• Lighter and easier to carry

• Cheaper

• More durable

• Wont splinter

Answer explanation

Stool B, made of an aluminium tube with a canvas seat, is lighter than stool A made from oak. This makes stool B easier to carry, which is a significant advantage for portability.

Which power tool could be used to cut out a rebate?

• Jigsaw

• Drill

• Circular saw

• Router

Answer explanation

A router is specifically designed to cut precise shapes and profiles, making it ideal for cutting rebates. Other tools like jigsaws and circular saws are not suited for this specific task.