Chapter 9 Flashcards
________________ can be accomplished by the heating and cooling of the metal stock.
Flattening
Beveling
Tempering
Reshaping
Tempering
_____________ the edges of the surface of driven tools such as chisels, punches and wedges will help prevent mushrooming.
Tempering
Oiling
Beveling
Welding
Beveling
To temper, the metal tip must be heated to a ________ ________ color.
Burnt Orange
Bright Green
Safety Yellow
Cherry Red
Cherry Red
Cutting tools should be tempered to increase the hardness, yet reduce _________________ of the metal.
Coursness
Thickness
Surface
Brittleness
Brittleness
True or False?
Only high quality tools can be tempered successfully.
True
When using a gas furnace, which of the following should you NOT do?
Use tongs to insert and remove metal
Light furnace with doors open and standing to one side
Use matches to start furnace
Check for leaking gas
Use matches to start furnace
A high quality tool steel must be used in making cutting tools. The steel must contain at least _______ % carbon.
2.5%
0.2%
.05%
0.4%
0.2%
The ________ is the flat top portion of the driven tool that is struck by the hammer.
head
crown
square
bevel
crown
The _______ consist of both the crown and the bevel.
head
square
crown
bevel
head
The ________ is the rounded edge between the crown and the total body
head
square
crown
bevel
bevel
Which of these metals is considered a Body Center Cubic (BCC)?
Aluminum
Lead
Tungsten
None of the Above
Tungsten
Lead is considered a _________________ Centered Cubic
Body
Face
Arm
Iron
Face
_______________________ is a face carbon cubic and has a packing factor of .74.
Iron
Ferrite
Austenite
Cast
Austenite
The first step in forging is _______________ and is considered a “reset button” for the steel.
revision
normalization
Tempering
None of the above
normalization
When steel hits .8% carbon, it then called __________________________.
pure iron
pure steel
pearlite
Cast
pearlite
