Exam (elaborations)
Quiz -9 IMSE 250 (1
- Course
- FPC Chapter 2.2 & 2.3
- Institution
- FPC Chapter 2.2 & 2.3
Exam of 2 pages for the course FPC Chapter 2.2 & 2.3 at FPC Chapter 2.2 & 2.3 (Quiz -9 IMSE 250 (1)
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Quiz #9 IMSE 250Typically, metal cold-working processes are conducted at a temperature _______.
(A) higher than 0.6 times the melting point
(B) lower than 0.3 times the melting point
(C) about the recrystallization temperature - ANS-B
The products produced by cold-working processes are ______ ductile than those by
hot-working processes.
(A) more
(B) less - ANS-B
Which category of metal forming processes generally produces better surface finish?
(A) Hot working.
(B) Cold working. - ANS-B
Suppose surface A has roughness Rmax = 1μm and surface B has roughness Ra = 0.75 μm.
Which surface is smoother?
(A) Surface A.
(B) Surface B.
(C) Cannot tell. - ANS-C
In bending, the metal is deformed ________
(A) beyond its yield strength but below its ultimate tensile strength.
(B) beyond its ultimate yield strength.
(C) below its yield strength. - ANS-A
In shearing, the metal is deformed _______
(A) beyond its yield strength but below its ultimate tensile strength.
(B) beyond its ultimate yield strength.
(C) below its yield strength. - ANS-B
Both piercing and blanking are shearing operations. The difference is that the piece being
punched out becomes the ________
(A) workpiece for piercing (scrap for blanking).
(B) scrap for piercing (working for blanking). - ANS-B
In the video "How It's Made - Aluminum Cans," the aluminum sheet is fed into a press that
punches out round pieces that will be formed into cans. This process is called ______.
(A) blanking
(B) piercing - ANS-A
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