Finishing Processes

What is one of the benefits of metal finishing processes?

• Increases weight

• Improves appearance

• Decreases strength

• Increases cost

What are the two meanings of finishing processes mentioned in the text?

• A) Applying a layer to metal and improving appearance

• B) Painting and coating

• C) Sanding and polishing

• D) Cutting and shaping.

Fill in the blank: ________ is a finishing process that uses a slurry of abrasive particles to smooth a surface.

• Lapping

• Grinding

• Polishing

• Honing

What is burnishing?

• A process of painting a surface

• A process of applying pressure to a surface to deform it

• A process of heating a surface

• A process of cooling a surface

Burnishing can be done with a roller or with a ______ mounted on a shaft.

• brush

• ball

• hammer

• drill

The honing process is designed to improve which of the following?

• Color of the surface

• Surface shape and texture

• Weight of the object

• Size of the object

Which of the following is a lapping machine used for?

• Cooking

• Rubbing surfaces together

• Painting

• Cooling

What role does the dielectric liquid play in EDM?

• Separates the electrode and workpiece

• Conducts electricity

• Cools the machine

• Lubricates the parts

In EDM, the material is eroded by a ________.

• spark

• drill

• saw

• hammer

The voltage in EDM increases when the distance between the electrode and workpiece is ________.

• reduced

• increased

• constant

• variable