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42 questions
What is an example of a polymer material type?
Steel roller coasters
Wooden roller coasters
Rubber tires on a car or truck
Table saw blade
A metalworking operation in which flat sheets are bent, rolled or spun to the shape of the finished part is called ____.
sheet metal blanking
sheet metal forming
sheet metal turning
milling
3D printers work by printing in
triangles
squares
layers
globs
Which sheet metal forming process does this diagram depict?
Roll forming
Turning
Bending
Spinning
3-D printing uses a plastic strand that's pushed through a heated nozzle.
True
False
The automation of machine tools by means of computers executing pre-programmed sequences of machine control commands among multi-axis coordinate planes.
Computer Numerical Control (CNC)
Computer Alphabetical Control (CAC)
Computer Cryptographic Control (CCC)
A CNC router bit that is flat and used to clear a flat area.
V-Bit
End Mill
Ball Nose
O Flute
3D printing technology is expanding and is now able to print metal parts.
True
False
Which manufacturing process does this diagram depict?
Blow molding
Injection molding
Computer Numerical Control process (CNC machine)
Vaccuum molding
Manufacturing program that combines automation with manual tasks.
Vector
MIG Welding
TIG Welding
Computer-Integrated Manufacturing (CIM)
This piece heats up to allow the melted plastic to pass through. Different plastics need different dimensions.
tube
feed
nozzle
A machine that is small enough to sit on a desktop, but also has the ability to make parts by heating and stretching a piece of plastic across a mold is called a....
Inkjet Printer
Drill
3-D Printer
Form Box
Additive mfg uses much less material than other subtractive mfg processes.
True
False
Check all of the advantages of Vacuum Molded parts. (You have to get all of the advantages checked to get the answer correct).
The process is cheap
It's only used for prototypes
Extremely high start-up costs
Can create large quantities in a short amount of time.
The process where a sheet of plastic is heated to the temperature where it becomes flexible and ductile. The plastic is then stretched over a mould by a vacuum acting from below, pulling it down and creating a near-perfect fit onto the mould is called.........
Injection Molding
Vacuum Molding
Milling
Blow molding
3D printers use three axes- X, Y, and Z. what does the Z stand for?
horizontal
vertical
height
A metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity is called.........
Blow Molding
Forming
Milling
Die Casting
Check all of the advantages of Die Cast parts. (You have to get all of the advantages checked to get the answer correct).
The process is cheap
It makes smooth parts
Creates strong parts
It's a quick process
The process of forming a molten tube thermoplastic material and placing it in a mold cavity and inflating the tube with compressed air, to take the shape of the cavity and cool the part before removing from the mold
3-D printing
Forming
Die casting
Blow molding
Parts made by the process of die casting are typically.....
large parts
small parts
only used for prototypes
very weak
3D printing is an additive manufacturing. This means
material is taken away to create an object
material is added to create an object
Which manufacturing process does this diagram depict?
Blow molding
Injection molding
Computer Numerical Control process (CNC machine)
Vaccuum molding
Plastic action figures are an example of products typically made by which of these processes?
Milling
Die Casting
Vacuum Molding
Sheet Metal Forming
There are three types of blow molding processes. Which of the following are NOT one of those three?
Extrusion
Injection
Intrusion
Injection stretch
The process of machining using rotary cutters to remove material by taking small cuts out of the material is called...
Milling
Forming
sheathing
die casting
One of the disadvantages of the
die casting process is that.....
Only high-fluid metals can be used
it's expensive
You can't make small parts
it's obsolete
Check all of the advantages of parts created by the process of Milling. (You have to get all of the advantages checked to get the answer correct).
The process is cheap
Very precise
Can use many different materials
It's a quick process
Which of the following is NOT a disadvantage of Milling?
There's a lot of wasted material
The equipment is very expensive
It's a slow process
The part cannot have a great deal of detail
Plastic bottles are a good example of which type of process?
Die Casting
Blow-molding
Milling
3-D printing
What kinds of metals are typically used in the Milling process?
Brittle metals
Those with a high melting point
Hard
Soft
Which sheet metal forming process does this diagram depict?
Roll forming
Turning
Bending
Spinning
Which sheet metal forming process does this diagram depict?
Roll forming
Turning
Bending
Spinning
Which manufacturing process does this diagram depict?
die casting
milling
Computer Numerical Control process (CNC machine)
Vaccuum molding
Which manufacturing process does this diagram depict?
blow molding
milling
Computer Numerical Control process (CNC machine)
casting
The manufacturing process that creates flexible plastic components which are typically in the shape of a single or multi-lumen tube is.....
blow molding
polymer casting
extrusion molding
Injection molded
Which manufacturing process does this diagram depict?
polymer casting
die casting
extrusion molding
blow molding
There are 3 types of machines used in a CNC machine. Which one of these are NOT one of them
Drill
Lathe
Mill
punch
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