Quiz 1
1
In manufacturing, there are three basic categories of tools and processes: those that remove material, those that add material, and those that
A)
analyze material.
B)
form material.
C)
test materials.
D)
select materials.
2
The machines that perform these processes are referred to as
A)
machine tools.
B)
manufacturing tools.
C)
forming tools.
D)
production tools.
3
The most common material-removal tools are the lathe, drill press, and
A)
shaper.
B)
grinder.
C)
band saw.
D)
milling machine.
4
The process of shaping material by forcing it through a die is
A)
forging.
B)
casting.
C)
extruding.
D)
expanding.
5
The process of shaping a workpiece using impact and pressure is
A)
dapping.
B)
forging.
C)
extruding.
D)
bending.
6
The most common manufacturing process used for adding material to a workpiece is
A)
casting.
B)
extruding.
C)
welding.
D)
forging.
7
In general, the process that produces the least accurate (roughest) surface is
A)
sawing.
B)
drilling.
C)
milling.
D)
grinding.
8
HVAC ducts are made using a process called
A)
lapping.
B)
forging.
C)
bending and shaping.
D)
extruding.
9
The primary advantage of forging a part is
A)
lower manufacturing cost.
B)
extreme precision in the finished part.
C)
the need for a minimum amount of machining.
D)
increased strength and durability of the part.
10
In selecting a machine tool for a manufacturing operation, the two most important determining factors are the amount of material that can be removed at a time and
A)
weight.
B)
accuracy.
C)
cost.
D)
speed.
Quiz 2
1
The acronym CNC stands for
A)
computer number control.
B)
consist numerical control.
C)
computer numerical control.
D)
computer numerical contact.
2
CNC equipment is programmed using
A)
programming code.
B)
Excel®.
C)
Quicken®.
D)
interpolation.
3
The CNC program tells the machine
A)
the size of the workpiece.
B)
the shape of the workpiece.
C)
the size and shape of cutter to use.
D)
how and where to move the tool.
4
The two most common types of numerical control are point-to-point and
A)
stop-and-start.
B)
continuous.
C)
open loop.
D)
closed loop.
5
The route along which the tool or cutter travels is the
A)
pattern.
B)
template.
C)
path.
D)
trail.
6
A mathematical model used to determine the best-fitting path to approximate locations and to set speeds that are appropriate is
A)
integration.
B)
interpolation.
C)
distribution.
D)
compilation.
7
The system in CNC that uses impulses or signals to determine the location of the tools is a(n)
A)
closed-loop system.
B)
critical-path system.
C)
critical-pattern system.
D)
open-loop system.
8
In a closed-loop system, the exact location of the axis is determined by the use of a
A)
contactor.
B)
sensor.
C)
capacitor.
D)
transistor.
9
Machine tool systems are mainly concerned with two types of machine tool tolerances: accuracy and
A)
repeatability.
B)
durability.
C)
cost effectiveness.
D)
ease of operation.
10
Sensors are also called
A)
locators.
B)
feelers.
C)
encoders.
D)
finders.
Quiz 3
1
AutoCAD LT® files can be exported to all of the following file formats except
A)
WMF.
B)
BMP.
C)
DWG.
D)
EPS.
2
A Windows metafile is a graphics file that
A)
contains either a vector or a raster graphic format.
B)
is commonly used to transfer graphics files from Windows to the Macintosh.
C)
automatically converts AutoCAD LT®'s vectors to a raster format.
D)
can be used with any operating system.
3
A bitmap is a graphics file that
A)
contains either a vector or a raster graphic format.
B)
is commonly used to prepare AutoCAD LT® files for use with stereolithography.
C)
creates a picture file with a raster format.
D)
contains a pure vector format.
4
Stereolithography machines are used to
A)
combine several files containing solids into a single, compact file.
B)
create a physical 3D model directly from a CAD model.
C)
break the solid model into thin slices that can be used by a PostScript printer to recreate the model.
D)
interpret 2D multiview drawings to create a physical 3D model.
5
Rapid prototypes are used for all of the following purposes except to
A)
explain a concept.
B)
form a mold to cast parts.
C)
be bolted onto an assembly to show how the finished part will work.
D)
create 2D detail drawings.
6
One type of item that can be inserted into AutoCAD LT® is a(n)
A)
Windows metafile.
B)
stereolithography file.
C)
bitmap image.
D)
OLE file.
7
The DWG file created by the EXPORT command is a(n)
A)
AutoCAD LT® block drawing file.
B)
bitmap file.
C)
Windows metafile.
D)
stereolithography file.
8
To reload an image into AutoCAD LT®, open the Image Manager window and select the
A)
Load button.
B)
Save button.
C)
Reload button.
D)
Details button.
9
To open the Image Manager, use the
A)
IMPORT command.
B)
IMAGE command.
C)
INSERTOBJ command.
D)
OPEN command.
10
The command that allows you to insert an OLE object into a drawing is the
A)
INSERT command.
B)
IMAGE command.
C)
IMPORT command.
D)
INSERTOBJ command.
Quiz 4
1
The AUDIT command
A)
opens a damaged file and attempts to fix it.
B)
checks your AutoCAD LT® file folder and flags any corrupted files.
C)
removes damaged files from your AutoCAD LT® file folder.
D)
examines the current document and fixes any errors it finds.
2
When you repair a file using the AUDIT command, the results are displayed
A)
in the AutoCAD LT Text window.
B)
in a separate text document.
C)
as multiline text at the top right corner of the drawing.
D)
in the Audit Results dialog box.
3
If AUDIT cannot repair the errors in a drawing, the next step is to try the
A)
REPAIR command.
B)
PURGE command.
C)
RECOVER command.
D)
SAVEAS command.
4
The difference between the AUDIT and RECOVER commands is that
A)
RECOVER is less capable than AUDIT.
B)
AUDIT deletes the file if it cannot repair it.
C)
RECOVER attempts the repair as you open the file.
D)
AUDIT asks for the name of the file.
5
If you run the RECOVER command on a file that contains no errors,
A)
AutoCAD LT® displays an error message.
B)
the file is not harmed in any way.
C)
the command ends without displaying a message.
D)
the file reverts to its last saved version.
6
The PURGE command works on all of the following except
A)
plot styles.
B)
blocks.
C)
xrefs.
D)
linetypes.
7
Benefits of using the PURGE command on a finished drawing include all of the following except
A)
reduce the disk space needed to store the drawing.
B)
increase file stability.
C)
reduce the amount of time it takes to open the drawing.
D)
unclutter the drawing.
8
If you accidentally purge an item that you need, you can recover it by
A)
recreating or reimporting it.
B)
using the UNDO command.
C)
selecting Unpurge from the Edit pull-down menu.
D)
entering the UNPURGE command.
9
When a file is so badly corrupted that none of AutoCAD LT®'s commands can repair it, your best option is to
A)
revert to the backup file that is automatically maintained by AutoCAD LT®.
B)
open a DOS window and use the DOS recover.exe file.
C)
start the drawing again from scratch.
D)
rename the corrupted file and try the recovery procedures again.
10
AutoCAD LT® saves backup files with an extension of
A)
exe.
B)
dxf.
C)
bak.
D)
dwg.
No comments:
Post a Comment