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Materials And Processes

18 Questions  I  By Dr3wee
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Material Quizzes & Trivia

  
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1.  Normalizing is a process of heat treating
A.
B.
C.
2.  In the four-digit aluminum index system number 2024, the first digit indicates 
A.
B.
C.
3.  Why is it considered good practice to normalize a part after welding?
A.
B.
C.
4.  Alclad is a metal consisting of 
A.
B.
C.
5.  Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content?
A.
B.
C.
6.  Parts are rinsed thoroughly in hot water after they have been heat treated in a sodium and potassium nitrite bath to
A.
B.
C.
7.  Why is steel tempered after being hardened?
A.
B.
C.
8.  The aluminum code number 1100 identifies what type of aluminum?
A.
B.
C.
9.  Which of the following occurs when a mechanical force is repeatedly applied to most metals at room temperature, such as rolling, hammering, or bending?
A.
B.
C.
10.  The SAE and the American Iron and Steel Institute use a numerical index system to identify the compostion of various steels. In the number "4130", designating Chromium Molybdenum steel, the first digit indicates the
A.
B.
C.
11.  The reheating of a heat treated metal, such as with a welding torch
A.
B.
C.
12.  Which heat-treating process of metal produces a hard wear-resistant surface over a strong, tough core?
A.
B.
C.
13.  The core material of Alclad 2024-T4 is
A.
B.
C.
14.  What is generally used in the construction of aircraft engine firewalls?
A.
B.
C.
15.  What is descriptive of the annealing process of steel during and after it has been annealed?
A.
B.
C.
16.  Which material cannot be heat treated repeatedly without harmful effects?
A.
B.
C.
17.  Which of the following descirbe the effects of annealing steel and aluminum alloys?
A.
B.
C.
D.
18.  What aluminum alloy designations indicate that the metal has recieved no hardening or tempering treatment?
A.
B.
C.
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