1. In the bulk deformation process, there is a change in the thickness of the wokpiece. Thus, the ratio of the surface area to the volume is... B. very high. c. small. a. equal. 2. In the metal forming process, if the temperature increases, the metal working becomes easier due to reducing in a. n and K. 3. The true tensile strain can be calculated from the following relation.. a. e =In (1+e). b. melting temperature. C. hardness ..... b. e =In). C.e = In

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Choose the correct answer for the following:
1. In the bulk deformation process, there is a change in the thickness of the wokpiece. Thus, the ratio of
the surface area to the volume is...
c. small.
a. equal.
2. In the metal forming process, if the temperature increases, the metal working becomes easier due to
reducing in ..
a. n and K.
3. The true tensile strain can be calculated from the following relation...
B. very high.
b. melting temperature.
C. hardness
a. e =In (1+e).
b. e =In).
C. e = In()
e =In(;
4. In rolling operation, large diameter roll induces.. on the surface of the rolled part.
b. tension stress.
a. compression stress.
c. no residual stress
5. the preheating treatment is not necessary if the carbon equivalent in the steel part is ...
b. 0.6
a. 0.3
c. 0.8
Transcribed Image Text:Choose the correct answer for the following: 1. In the bulk deformation process, there is a change in the thickness of the wokpiece. Thus, the ratio of the surface area to the volume is... c. small. a. equal. 2. In the metal forming process, if the temperature increases, the metal working becomes easier due to reducing in .. a. n and K. 3. The true tensile strain can be calculated from the following relation... B. very high. b. melting temperature. C. hardness a. e =In (1+e). b. e =In). C. e = In() e =In(; 4. In rolling operation, large diameter roll induces.. on the surface of the rolled part. b. tension stress. a. compression stress. c. no residual stress 5. the preheating treatment is not necessary if the carbon equivalent in the steel part is ... b. 0.6 a. 0.3 c. 0.8
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