Materials Processing Techniques Quiz

What is the process of forming a solid mass of material through heat and pressure without melting to the point of liquefaction?

• Rolling

• Sintering

• Bending

• Casting

Which metal forming process is used to produce components with long lengths or for large production runs?

• Bending

• Roll forming

• Deep drawing

• Injection moulding

What is the temperature range for hot working in metal processing?

• Below the recrystallisation temperature

• At the melting point of the metal

• Above the recrystallisation temperature

• At room temperature

Which metal forming process involves stretching and bending the workpiece simultaneously over a die to form complex or large contoured parts?

• Sintering

• Stretching

• Rolling

• Casting

What is the purpose of sintering in materials processing?

• To increase the melting point of the material

• To reduce the strength of the material

• To impart strength and integrity to the material

• To make the material more brittle

Which type of powder coating forms chemical bonds once cured, making it impossible to recycle?

• Polyethyelene powder coating

• Thermoplastic powder coating

• Thermoset powder coating

• Acrylic powder coating

What is the most common type of expendable mould casting that generally uses permanent patterns to create the mould?

• Die casting

• Gravity casting

• Investment casting

• Sand casting

Which material is known for its strength, impact resistance, and corrosion resistance in injection moulding?

• Acrylic (PMMA)

• Polyethyelene (PE)

• Acrylonitrile butadiene styrene (ABS)

• Polycarbonate (PC)

What is the process of melting plastic pellets at pressure into a mould cavity to produce the final product?

• Rolling

• Sintering

• Bending

• Injection moulding

What is the key difference between hot working and cold working in metal processing?

• The type of metal used

• The temperature range used

• The size of the finished product

• The presence of internal and residual stresses