Exam Questions and CORRECT Answers
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