ME 270 Final

Quality control is:
on-target
least variation
lowest cost
ensuring interchangeability
reducing tolerance
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Terms in this set (87)
Quality control is:
on-target
least variation
lowest cost
ensuring interchangeability
reducing tolerance
on-target
least variation
The difference between a shrink fit and an expansion fit is that in a shrink fit the internal part is cooled to a sufficiently low temperature to reduce its size for assembly, whereas in an expansion fit, the external part is heated sufficiently to increase its size for assembly. (True/False)
False
Select all of the following that are methods by which adhesives cure:
Catalyst
Heat
Pressure
Electrical current
Evaporation
Radiation
Catalyst
Heat
Pressure
Evaporation
Radiation
Which of these joining processes does not require melting of the part metal, can be done at 500 C, and is used when joining dissimilar metals or those with poor weldability?
brazing
What joining process uses a tungsten electrode that does not touch the base material?
GMAW Welding
MIG
Wave soldering
TIG
TIG
Failures within a weld typically occur in the columnar fusion zone due to embrittlement.
False
A fillet weld has a cross sectional shape that is approximately which one of the following?
Square
Triangular
Round
Rectangular
Triangular
DFA techniques can help quantify which of the following?
Assembly time
Tolerance needed for assembly
The best location and method for assembly
Manufacturing cost
The skills required for assembly
Ease of assembly
Assembly time
Manufacturing Cost
Which question is important in determining the theoretical minimum number of parts?
Does the part need a better tolerance than other parts?
Does the part move every time and only when another part moves?
Does the part take 3 seconds to assemble?
Can the part be modularized or standardized?
Does the part move together and in the same direction as another part?
Does the part move every time and only when another part moves?
Which Design Principle revolutionized the photocopy industry?
assembly in one direction
use of common datum surfaces
design for minimum number of parts
improve disassembly for repair and servicing
standardize and modularize
incorporate ''self-assembly'' or minimize the need for adjustments
incorporate ''self-assembly'' or minimize the need for adjustments