QUESTIONS WITH DETAILED SOLUTIONS
GRADED A+
●● evaluation length.
Answer: the entire scope of the surface profile being evaluated, versus
the sampling length or roughness cutoff, which defines segments within
the profile
●● finish.
Answer: general finish requirements, such as paint, chemical, or
electroplating, rather than surface texture or roughness.
●● flaw.
Answer: an unintentional interruption in the surface, such as a crack, pit,
or dent
●● honing.
Answer: A method of finishing a hole or other surface to a precise
tolerance using an abrasive block and rotary motion
●● lapping.
Answer: A method of finishing a surface with a very fine abrasive.