A groover is used to ________________.
Answer(s): A
A groover is designed to cause the seams to become flattened and make a watertight seal.
Sheet metal is formed into round cylinders by using a _______________.
Answer(s): B
A squaring shear is used to cut sheet metal along a straight line. A bar folder is used to bend sheet metal, and a punch press makes holes in sheet metal. The slip roll is used to form the metal into round, cylindrical shapes.
The tip of a soldering iron is coated with solder before it is used. This process of coating the tip is called________________.
Answer(s): D
The tip of a soldering iron is tinned or coated with solder to make it more efficient in transferring the heat at the tip to the object being soldered. It also prevents copper oxide buildup on the tip.
Punches are used in sheet metal work to __________________.
Punches are used in sheet metal for the same reason punches are used elsewhere – to punch holes.
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