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Free ASVAB Section 7: General Science Exam Braindumps (page: 32)

Page 31 of 97
PDF with 386 Questions

A groover is used to ________________.

  1. lock seams together.
  2. make sheet metal seams.
  3. open a seam.
  4. fold a seam.

Answer(s): A

Explanation:

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 _______________.

  1. squaring shear
  2. slip roll
  3. bar folder
  4. punch press

Answer(s): B

Explanation:

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________________.

  1. welding
  2. brazing
  3. soldering
  4. tinning

Answer(s): D

Explanation:

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 __________________.

  1. flatten the metal
  2. make holes in the metal
  3. groove the metal
  4. snip the metal

Answer(s): B

Explanation:

Punches are used in sheet metal for the same reason punches are used elsewhere – to punch holes.






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