Which of the following statements is incorrect regarding manufacturing processes?Question 1AnswerA.Forming encompasses a family of techniques whereby a raw material is shaped by stretching, bending, or compression. Large forces are applied to plastically deform a material into its new permanent shape.B.Machining includes steps taken to treat a component’s surface to make it harder, improve its appearance, or protect it from the environment.C.Casting is the process whereby liquid metal is poured into a mold, cooled, and solidified.D.Joining includes operations used to assemble subcomponents into a final product by welding, soldering, riveting, bolting, or adhesively bonding them.
Question
Which of the following statements is incorrect regarding manufacturing processes?Question 1AnswerA.Forming encompasses a family of techniques whereby a raw material is shaped by stretching, bending, or compression. Large forces are applied to plastically deform a material into its new permanent shape.B.Machining includes steps taken to treat a component’s surface to make it harder, improve its appearance, or protect it from the environment.C.Casting is the process whereby liquid metal is poured into a mold, cooled, and solidified.D.Joining includes operations used to assemble subcomponents into a final product by welding, soldering, riveting, bolting, or adhesively bonding them.
Solution
The incorrect statement is B. Machining does not involve steps taken to treat a component’s surface to make it harder, improve its appearance, or protect it from the environment. Instead, machining is a process that involves the removal of material from a workpiece, using cutting tools to shape it into a desired form. The processes described in statement B are more accurately associated with surface finishing or treatment processes, not machining.
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