Why must a part be redesigned when its production switches from aluminum to composites?
What will be an ideal response?
More steps are required to make a composite part as compared to an aluminum part. Things like balance and symmetry become a large factor for strength. Also Composite parts are usually created by layers, so tight tolerances from the original design will be determined differently from the differences between the compaction of the different layers. Etc.
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These are thin lines used in the view of a section to show where material has been cut.
a. cutting plane lines b. section lines c. dimension lines d. extension lines
Technician A says that all injectors in a sequential fuel injection system often use the same power wire. Technician B says that each injector in a sequential fuel injection system should have a different ground wire. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which situation most often results in hearing loss in a shop environment?
A. An individual incident. B. Improperly maintained air tools. C. Years of exposure to repetitive and excessive noise levels. D. Shop noise exceeding 160 decibels.
What is a common location for a post indicator valve?
a. next to the water meter b. on an exterior wall c. on the main system riser d. in a utility or mechanical room