Score for this quiz: 8 out of 10
Submitted Nov 13 at 11:55pm
This attempt took 12 minutes.
Question 1
Which of these are classified by the textbook as miscellaneous metal fabrication techniques
sand, die, investment, lost foam, continuous
Correct! powder metallurgy, welding
forging, rolling, extruding, drawing
Question 2
What is drawing?
mechanically working or deforming a single piece of usually hot metal
Correct!
pulling of a metal piece through a die having a tapered bore by means of a tensile forc
that is applied on the exit side
bar of metal is forced through a die orifice by a compressive force that is applied to a
passing a piece of metal between two rolls
, expendable pattern is formed by compressing polystyrene beads and then bonding th
by heating
refined and molten metal is cast directly into a continuous strand
liquid metal is forced into a mold under pressure
pattern is made from a wax or plastic
Question 4
What is hardenability?
process in which material is quickly cooled
one standard procedure widely used to determine hardenability
Correct!
term used to describe the ability of an alloy to be hardened by the formation of marten
as a result of a given heat treatment
heat treatment in which a material is exposed to an elevated temperature for an extend
period of time period and then slowly cooled
Question 5
These must ultimately be dried and fired.