We have sent an email with your new password.

Close this window

Materials And Processes

18 Questions  I  By Dr3wee
Materials and Processes

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  In the four-digit aluminum index system number 2024, the first digit indicates 
A.
B.
C.
2.  The core material of Alclad 2024-T4 is
A.
B.
C.
3.  Why is steel tempered after being hardened?
A.
B.
C.
4.  What is generally used in the construction of aircraft engine firewalls?
A.
B.
C.
5.  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.
6.  What aluminum alloy designations indicate that the metal has recieved no hardening or tempering treatment?
A.
B.
C.
7.  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.
8.  Which heat-treating process of metal produces a hard wear-resistant surface over a strong, tough core?
A.
B.
C.
9.  Alclad is a metal consisting of 
A.
B.
C.
10.  Which of the following descirbe the effects of annealing steel and aluminum alloys?
A.
B.
C.
D.
11.  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.
12.  The reheating of a heat treated metal, such as with a welding torch
A.
B.
C.
13.  What is descriptive of the annealing process of steel during and after it has been annealed?
A.
B.
C.
14.  Why is it considered good practice to normalize a part after welding?
A.
B.
C.
15.  Normalizing is a process of heat treating
A.
B.
C.
16.  The aluminum code number 1100 identifies what type of aluminum?
A.
B.
C.
17.  Which material cannot be heat treated repeatedly without harmful effects?
A.
B.
C.
18.  Parts are rinsed thoroughly in hot water after they have been heat treated in a sodium and potassium nitrite bath to
A.
B.
C.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz