If an alloy containing 10 wt% Sn is slowly cooled from 350degreeC, at what tempe

Question

If an alloy containing 10 wt% Sn is slowly cooled from 350degreeC, at what temperature will beta begin to form? 145degreeC 183 degree C 285 degree C 305 degree C For the same 10 wt% alloy slowly cooled from 350degreeC, what will the composition of the first beta that begins to form? Exactly 97.8 wt% Sn Greater than 97.8 wt% Sn Exactly 18.3 wt% Sn Less than 18.3 wt% Sn A particular alloy has 30 wt% Sn at 100 degree C. What is the weight fraction of phase a (alpha) at equilibrium? 5 wt% Sn 99 wt% Sn 0.266 0.734

Explanation / Answer

1)b 2)c 3)b

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