Exam Questions and CORRECT Answers
Threaded base of the light bulb produced cost effectively by: - CORRECT ANSWER -
none of the above
Anisotropy in sheet metals: - CORRECT ANSWER - can cause dog-ears and non-uniform
wall thickness in deep drawing
large metal rings produced cost effectively by: - CORRECT ANSWER - None of the
above
What Is The Difference Between AA 6061-T4 And AA 6061-T6: - CORRECT ANSWER -
none of the above
Which are traditional joining processes? - CORRECT ANSWER - all but waterjet
By agreement, sheet metals are defined as such - CORRECT ANSWER - when one
dimension is less than 2.5 mm, and much smaller the other two
A round keyway in a round shaft can be produced by: - CORRECT ANSWER - sink EDM
During plastic deformation anisotropy in sheet metals can: - CORRECT ANSWER - can
cause variations of properties in different directions
ASTM grain size 7 is: - CORRECT ANSWER - good enough for engine hoods and trunk
lids for cars
A chip breaker is: - CORRECT ANSWER - used if the cutter geometry does not warrant
short chips
, Centrifugal forces can be utilized to: - CORRECT ANSWER - cast hollow and solid
objects
Hot forming of metals is carried out: - CORRECT ANSWER - around the warm forging
temperatures
Annealing is: - CORRECT ANSWER - thermal treating a cold-worked metal to restore its
properties and grain structures
Minimum bend radius for AA 7075-O is: - CORRECT ANSWER -0
Casting can be used to: - CORRECT ANSWER - Manufacture high-volume production
parts
Spin casting uses inertia forces to produce: - CORRECT ANSWER - ferrous and non-
ferrous solid and hollow parts
Which is called the lost-wax casting(investment casting) - CORRECT ANSWER - pattern
is melted out for recycling before pouring
To produce 2-piece aluminum beer and soda cans, which process is not required: - CORRECT
ANSWER - welding
Brinell is: - CORRECT ANSWER - Resistance to plastic deformation
EDM can produce large parts in approximately 60-90 pieces/min cycle time that are: -
CORRECT ANSWER - not feasible at all