Engineering Stage 6 - PPT Materials

In which of the following do all of the processes require plastic deformation to achieve a final shape?

• Brazing, casting, rolling

• Brazing, soldering, welding

• Extruding, casting, forging

• Extruding, pressing, rolling

Which of the following manufacturing methods can be used to produce complex polymer components?

• Sand casting

• Blow moulding

• Lost wax casting

• Injection moulding

Why is cast iron preferred to steel when used as a heavy machine base?

• It is less brittle.

• It is more malleable.

• It has a lower damping capacity.

• It has a higher damping capacity.

Which row of the table correctly identifies the project responsibilities of a civil engineer when planning a new highway?

• Row 2

• Row 3

• Row 4

• Row 1

What property of a material can be measured by testing its resistance to scratching?

• Hardness

• Stiffness

• Strength

• Toughness

Which manufacturing process is used to make soft drink bottles out of polyethylene terephthalate (PET)?

• A. Stamping

• B. Extrusion

• C. Blow moulding

• D. Rotational moulding

A piece of 0.8% C steel is heated to above its recrystallisation temperature and then normalised. In what medium is this piece of steel cooled?

• Air

• Brine

• Sand

• Water

Which of the following is a recognised impact test?

• Brinell

• Erichsen

• Notch

• Punch

Which property is necessary in the manufacture of a sheet steel car door panel?

• Fatigue

• Ductility

• Elasticity

• Corrosion resistance

When producing glass, what molten material is the glass floated on in order to obtain a smooth surface?

• Aluminium

• Bronze

• Steel

• Tin