Industrial and Product Design Industrial and Product Design Materials & Manufacturing

Question 1

Which material property describes a material's ability to be drawn into a wire without breaking?

Accepted Answer

Ductility

Answer

Hardness

Answer

Brittleness

Answer

Viscosity

Question 2

In injection molding, what is the term for the channel through which molten material enters the mold cavity?

Accepted Answer

Sprue

Answer

Gate

Answer

Runner

Answer

Ejector pin

Question 3

Which manufacturing process uses a rotating cutting tool to remove material from a stationary workpiece?

Accepted Answer

Milling

Answer

Turning

Answer

Grinding

Answer

Forging

Question 4

What does the term 'design for manufacturability' (DFM) primarily aim to achieve?

Accepted Answer

Reduce production costs and simplify fabrication

Answer

Maximize aesthetic appeal

Answer

Increase product weight

Answer

Extend warranty periods

Question 5

Which polymer type can be repeatedly melted and reshaped without significant chemical change?

Accepted Answer

Thermoplastic

Answer

Thermoset

Answer

Elastomer

Answer

Composite

Question 6

In CNC machining, what does the G-code command G00 typically represent?

Accepted Answer

Rapid positioning movement

Answer

Feed rate override

Answer

Tool change

Answer

Coolant on