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Asked: 2020-03-13T04:40:45+05:30 In:

GATE MT 2011 Q10. Which one of the following expands upon solidification?

Poll Results

3.85%(A) Low Carbon steel ( 2 voters )
7.69%(B) High Carbon steel ( 4 voters )
17.31%(C) White cast iron ( 9 voters )
71.15%(D) Gray cast iron ( 37 voters )
Based On 52 Votes

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GATE MT 2011 Q10. Which one of the following expands upon solidification?
GATE MT 2011 Question paper with solutionGATE MT Physical metallurgyGATE MT Previous Year Questions With Solution
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    2 Answers

    1. Platinum GATE Metallurgy Coaching

      Gray cast iron

      Gray cast iron

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    2. Best Answer
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      Correct answer is option D. Grey cast iron expands upon solidification, as graphite has a relatively high specific volume and it precipitates as graphite flakes during solidification, it causes a net expansion of the metal.

      Correct answer is option D.

      • Grey cast iron expands upon solidification, as graphite has a relatively high specific volume and it precipitates as graphite flakes during solidification, it causes a net expansion of the metal.
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