IET 170 midterm Exam Questions AND Correct Answers
Absolutes - ✔✔requirements are those for which there
can be no compromise
Accuracy - ✔✔to the ability to hit what is aimed at (the
bull's‐eye of the target)
apron - ✔✔attached to the front of the carriage
attributes - ✔✔using gages to determine if the product
is good or bad, resulting in a yes/no, go/no‐go decision.
axis assignment - ✔✔z-first- up and down
x- left to right
y- whatever plane is left
back rake angle, α - ✔✔
bed - ✔✔is the base and backbone of a lathe
,boring - ✔✔the process of enlarging a hole that has
already been drilled
broaching - ✔✔a machining process that uses a toothed
tool, called a broach, to remove material.
carriage - ✔✔a relatively flat H‐shaped casting, rides on
the outer set of ways on the bed
carriage assembly - ✔✔together with the apron,
provides the means for mounting and moving cutting
tools
case‐history method - ✔✔often involves simply
observing what happens to, or reconstructing 'the case
history' of a single participant or group of individuals
cement - ✔✔combination of ceramic and metallic
, center core drill - ✔✔cylindrical drill with a hollow bit
that allows you to create a perfectly round hole in the
material that you're drilling
Ceramic - ✔✔handle heat
ceramics - ✔✔are made of pure aluminum oxide,
Al2O3, or Al2O3 is used as a metallic binder
cermets - ✔✔any of a class of heat-resistant materials
made of ceramic and sintered metal.
chatter - ✔✔The elastic deflection behaves like a big
spring. The mechanism by which a process dissipates
energy is called
chucks - ✔✔are used to support a wider variety of
workpiece shapes and to permit more operations to be
performed than can be accomplished when the work is
held between centers.
Absolutes - ✔✔requirements are those for which there
can be no compromise
Accuracy - ✔✔to the ability to hit what is aimed at (the
bull's‐eye of the target)
apron - ✔✔attached to the front of the carriage
attributes - ✔✔using gages to determine if the product
is good or bad, resulting in a yes/no, go/no‐go decision.
axis assignment - ✔✔z-first- up and down
x- left to right
y- whatever plane is left
back rake angle, α - ✔✔
bed - ✔✔is the base and backbone of a lathe
,boring - ✔✔the process of enlarging a hole that has
already been drilled
broaching - ✔✔a machining process that uses a toothed
tool, called a broach, to remove material.
carriage - ✔✔a relatively flat H‐shaped casting, rides on
the outer set of ways on the bed
carriage assembly - ✔✔together with the apron,
provides the means for mounting and moving cutting
tools
case‐history method - ✔✔often involves simply
observing what happens to, or reconstructing 'the case
history' of a single participant or group of individuals
cement - ✔✔combination of ceramic and metallic
, center core drill - ✔✔cylindrical drill with a hollow bit
that allows you to create a perfectly round hole in the
material that you're drilling
Ceramic - ✔✔handle heat
ceramics - ✔✔are made of pure aluminum oxide,
Al2O3, or Al2O3 is used as a metallic binder
cermets - ✔✔any of a class of heat-resistant materials
made of ceramic and sintered metal.
chatter - ✔✔The elastic deflection behaves like a big
spring. The mechanism by which a process dissipates
energy is called
chucks - ✔✔are used to support a wider variety of
workpiece shapes and to permit more operations to be
performed than can be accomplished when the work is
held between centers.
