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WorksheetsT1003R-ASSEMBLY TECHNIQUES
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
The two major classes of mechanical assembly are methods that allow for _______ and methods that create a _________.
a)
assembly / non-permanent joint
b)
dissasembly / permanent joint
c)
fasteners / permanent joint
d)
welding / seam
2.
In most cases __________ permit for disassembly.
a)
Threaded Fasteners
b)
Snap Fits
c)
Interference Fits
d)
Welding Processes
3.
A _________ is commonly used with circular bolt patterns and on rotating parts.
a)
Shrink and Expansion Fit
b)
Pilot Diameter
c)
Snap Fit
d)
Design for Manufacturability
4.
The most common method of mechanical assembly is the use of
a)
welding
b)
seaming
c)
fasteners
d)
bearings
5.
_________ fits are a type of fit where the accuracy of the assembly of two parts is based on some level of mechanical interference.
a)
Clearance
b)
Interference
c)
Bearing
d)
Seam
6.
_______ fits use heating and/or cooling during assembly to achieve an interference fit when parts return to room temperature.
a)
Snap
b)
Shrink and Expansion
c)
Bearing
d)
Clearance
7.
________ fits use characteristics of both clearance and interference fits.
a)
Bearing
b)
Seam
c)
Clearance
d)
Snap
8.
An industrial process for joining metal pieces by heating them to a high temperature, causing them to melt and fuse.
a)
welding
b)
seaming
c)
sheet metal
d)
heavy metal
9.
An assembly method that uses a mechanical part on or in which another part turns or slides
a)
Bearings
b)
Snap Ring
c)
ANSI Fits
d)
Pilot Diameter
10.
A method of development where considerations are made to simplify the manufacturing process or processes and to lessen the time and cost needed to create a product.
a)
Design for Assembly (DFA)
b)
Design for Manufacturability (DFM)
c)
Mechanical Assembly
d)
Interference Fits
11.
A type of standard fit based on inch units. Most commonly used in the US.
a)
ANSI Fits
b)
ISO Fits
c)
Snap Fits
d)
If the shoe fits
12.
A type of standard fit based on metric units. Most commonly used in European countries.
a)
ANSI Fits
b)
ISO Fits
c)
Snap Fits
d)
Throwing a fit
13.
An assembly method where U-shaped stitches are formed one at a time from steel wire and immediately driven through two parts to be joined.
a)
Stitching
b)
Stapling
c)
Seaming
d)
Bearing
14.
An assembly method where mating parts have a temporary interference during assembly, but once assembled they interlock with some level of clearance or less interference.
a)
Snap Fits
b)
ISO Fits
c)
ANSI Fits
d)
Snap Ring
15.
A type of fit used to ensure parts are assembled accurately but are still able to move freely to some degree. Parts can be easily disassembled.
a)
Clearance Fits
b)
Interference Fits
c)
DFA
d)
Seaming
16.
A fastener that snaps into a groove on a shaft or tube to form a shoulder.
a)
Snap Rings
b)
Snap Fits
c)
ISO Fits
d)
Lead-in Chamfer
17.
A cylindrical surface that is machined to a high accuracy to ensure a part is located properly.
a)
Pilot Diameter
b)
Snap Ring
c)
Lead-in Chamfer
d)
Rivet
18.
A method of development where considerations are made to simplify assembly and disassembly.
a)
Design for Assembly (DFA)
b)
Design for Manufacturability (DFM)
c)
Mechanical Assembly
d)
Bearings
19.
An assembly method where an external part is enlarged by heating, an internal part is contracted by cooling or both.
a)
Shrink and Expansion Fits
b)
Snap Fits
c)
Stitching
d)
Rivets
20.
A type of fit where the accuracy of the assembly of two parts is based on some level of mechanical interference. Parts are not intended to be disassembled.
a)
Interference Fits
b)
Clearance Fits
c)
Stapling
d)
Design for Assembly (DFA)
21.
A beveled edge in a component’s mating surface to ease assembly and ensure against damage while installing a seal.
a)
Lead-in Chamfer
b)
Pilot Diameter
c)
Seaming
d)
Stitching
22.
The use of various fastening methods to mechanically attach two or more parts together.
a)
Mechanical Assembly
b)
Clearance Fits
c)
Interference Fits
d)
Stapling
23.
An assembly method in which the edges of two separate sheet metal parts or the opposite edges of the same part are bent over to form a fastening seam.
a)
Seaming
b)
Stapling
c)
Welding
d)
Stitching
24.
An unthreaded, headed pin used to join two or more parts by passing the pin through holes in parts and forming a second head in the pin on the opposite side.
a)
Rivet
b)
Bearing
c)
Stitch
d)
Staple
25.
An assembly method based on classes of tolerance to allow two mating parts to be assembled accurately.
a)
Standard Fits
b)
Lead-in Chamfer
c)
Snap Fits
d)
Pilot Diameter
26.
An assembly method where U-shaped staples are punched through two parts to be attached.
a)
Stapling
b)
Stitching
c)
Snapping
d)
Oh snapping
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