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MAE 272- Review 2 questions with verified solutions
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MAE 272- Review 2 questions with verified solutions
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MAE 272- Review 2 questions withverified solutions
Friction welding: - correct answer ✔✔None is correct
Extruded metal rods and profiles can be straightened by: - correct answer ✔✔Roll forging
Superalloy and nickel-based alloys gas turbine blades are typically made by: - correct answer ✔✔Vacuum
casting
A rectangular keyway in a round shaft can be produced by: - correct answer ✔✔None is correct
The flash in closed-die forging is to: - correct answer ✔✔B and D (Control the metal flow and cavity fill
and To compensate for volume and shape variations of preferred...)
Green Compacts: - correct answer ✔✔Are pressed in the PM process
For a good TIG/MIG weld joint, the workpieces should be: - correct answer ✔✔of compatible materials;
and the filler rod too
Super plastic forming requires: - correct answer ✔✔slow forming process to ensure recrystallization
In polymer processing: - correct answer ✔✔All are correct
ASTM grain size 7 is: - correct answer ✔✔Good for engine hoods and trunk lids
Quality products such as aluminum foils are best produced by: - correct answer ✔✔hot rolling without
pickling and oiling
, IC chips on PCBs are: - correct answer ✔✔Connected by soldering or surface mounting technique
Which parts can be produced on a turret lathe with a single set-up: - correct answer ✔✔Cam shafts
High-temperature gas turbine blades can be produced by: - correct answer ✔✔Single crystal casting
Rubber forming or hydroforming of sheet metals can be of cost advantage due to: - correct answer
✔✔be cost effective for short-run, shallow sheet metal parts
Rubber forming or hydroforming of sheet metals can be of cost advantage due to: - correct answer
✔✔Low tooling cost
Temperature built up during machining: - correct answer ✔✔Will shorten tool life
EDM can produce very large parts with cycle time 60-90 pieces/min that are: - correct answer ✔✔none
of the following
Electronic components are: - correct answer ✔✔soldered together
Engine blocks for 5-cylinder turbo-diesel engines can be produced: - correct answer ✔✔None of the
following processes is suitable
Annealing is - correct answer ✔✔thermal treatment for cold-worked metal to restore its properties and
grain structures
For AA 6061-O the minimum bend radius is: - correct answer ✔✔0
Round rivet heads can be formed by: - correct answer ✔✔Heading in the punch
A core is: - correct answer ✔✔None of the above
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