Exam Questions and CORRECT Answers
Fine versus conventional blanking: - CORRECT ANSWER - none is correct
Flange in sheet metal can be produced: - CORRECT ANSWER - all are correct
Lost-foam casting is: - CORRECT ANSWER - using expandable molds and patterns
Cold forming of metals is done at: - CORRECT ANSWER - T/Tm just below 0.3
Magnetic pulse forming: - CORRECT ANSWER - can form thin sheets without noise and
heat
The threaded base (socket) of a light bulb can be produced cost effectively by - CORRECT
ANSWER - none is correct
Springback in sheet metal forming is a function of - CORRECT ANSWER - all are correct
In sheet metal forming, springback can be controlled by - CORRECT ANSWER - all are
correct
To produce 2-piece aluminum beer and soda cans, which process is not required - CORRECT
ANSWER - Welding
High temperature gas turbine blades can be produced by - CORRECT ANSWER - single
crystal casting
, PM distinguishes from conventional metals because of - CORRECT ANSWER - all are
correct
What is the difference between AA 6061-T4 and AA 6061-T6 - CORRECT ANSWER -
none of the above
Which process is not required to produce 3-piece welded cans - CORRECT ANSWER -
deep drawing
The frame of an off-the-shelf beach cruiser bicycle is usually made from - CORRECT
ANSWER - drawn or extruded
Which is investment casting - CORRECT ANSWER - wax pattern is melted out for
recycling before pouring
Large rings can be produced cost-effectively by - CORRECT ANSWER - ring rolling
Travelers are - CORRECT ANSWER - updated cost estimates after receiving P.O
Nesting in sheet metal manufacturing is - CORRECT ANSWER - to reduce material
usage, energy and tooling costs
Superplastic materials - CORRECT ANSWER - can have percent elongations up to 1000%
Minimum bending radius - CORRECT ANSWER - depends on the hardness and rolling
direction of the metal before bending
A rectangular keyway in a round shaft can be produced by: - CORRECT ANSWER - none
is correct