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Carban Percentage in Steel is up to?

Q.  
Carban Percentage in Steel is up to?


Answer & Explanation

The carbon percentage in steel can range up to about 0.21%. Beyond this, steels are often classified as high-carbon steels. Steel with higher carbon content exhibits improved hardness but reduced ductility.

Thus correct option is: B.

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More Questions Engineering Metallurgy:

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Pearlite is ______.

A. Diffusion transformation

B. Diffusionless transformation

C. Both

D. None


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Q.  
In SAE designation of steel, last two digits indicate the ______.

A. The average percent of carbon in the steel

B. The average percentage of Ni in the steel

C. The average percentage of Fe in steel

D. The average percentage of Cr in steel.


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Q.  
The ability of a material to exist in more than one crystal structure is known as ______.

A. Polymorphism

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C. Polyhedral phase

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Which of the following are true for electron microscopy?

A. specimen should be thin and dry

B. image is obtained on a phosphorescent screen

C. electron beam must pass through evacuated chamber

D. specimen should be thin and dry, image is obtained on a phosphorescent screen and electron beam must pass through evacuated chamber


Answer & Explanation
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