Materials And Processes

18 Questions  I  By Dr3wee

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

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


to post comments.

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz