What is casting? 

Which of the following is considered the oldest manufacturing method? 

What is the top half of a mold called?

What is the bottom half of the mold called? 

What solidification structure typically forms at the walls of the mold in pure metals?

Which factor does NOT influence the solidification of metals? 

Where do dendrites form within the phase diagram of an alloy? 

What happens when the surface of the mold cools at a faster rate than its core? 

Which cooling rate typically results in a finer dendritic structure? 

What is the primary function of risers in a casting system? 

Which principle is used to describe the conservation of energy in molten flow? 

What is Reynold's number used to define in metal casting? 

Match the type of flow to its appropriate Reynolds number value 

Which factor improves metal fluidity by delaying solidification?

Which type of defect occurs when the casting cannot shrink freely during cooling? 

What defect is shown in the following image?

Which type of chill is often made from the same material as the casting? 

Which metal characteristic leads to a higher fluidity during casting? 

What is the highest cause of porosity in metal castings? 

Which method is commonly used to prevent porosity in thicker sections of metal castings? 

What is one way to improve the strength and ductility of cast metals? 

What is the primary purpose of exothermic compounds casting?