2. Refer to the phase diagram shown 1500 C E 1000 D. F B 500 G A 60 40 80 20 40 0 20 80 60 0 (wt%) Approximately how much solid (as a percentage by weight) exists when the mixture is 30% a and 70% B and the temperature is 800°C? 0% (A) 19% (B) (C) 30% (D) 50% temperature (°C) 2. Use the phase diagram to find the fraction of solid. 1500 molten mixture of o B (liquid a liquid B) solid B liquid solid a liquid 1000 3 800 B solid o solid solidus line 500 B solid I a solid 57% 70% 83% (wt%) _ wt% fraction solid x 100% 70% 57% x 100% 83% 57% = 50% The answer is (D). temperature (C)

Elements Of Electromagnetics
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2. Refer to the phase diagram shown
1500
C
E
1000
D.
F
B
500
G
A
60
40
80
20
40
0
20
80
60
0
(wt%)
Approximately how much solid (as a percentage by
weight) exists when the mixture is 30% a and 70% B
and the temperature is 800°C?
0%
(A)
19%
(B)
(C) 30%
(D) 50%
temperature (°C)
Transcribed Image Text:2. Refer to the phase diagram shown 1500 C E 1000 D. F B 500 G A 60 40 80 20 40 0 20 80 60 0 (wt%) Approximately how much solid (as a percentage by weight) exists when the mixture is 30% a and 70% B and the temperature is 800°C? 0% (A) 19% (B) (C) 30% (D) 50% temperature (°C)
2. Use the phase diagram to find the fraction of solid.
1500
molten mixture of o B
(liquid a liquid B)
solid B
liquid
solid a
liquid
1000
3
800
B solid
o solid
solidus line
500
B solid I
a solid
57% 70% 83%
(wt%)
_
wt% fraction solid
x 100%
70% 57%
x 100%
83% 57%
= 50%
The answer is (D).
temperature (C)
Transcribed Image Text:2. Use the phase diagram to find the fraction of solid. 1500 molten mixture of o B (liquid a liquid B) solid B liquid solid a liquid 1000 3 800 B solid o solid solidus line 500 B solid I a solid 57% 70% 83% (wt%) _ wt% fraction solid x 100% 70% 57% x 100% 83% 57% = 50% The answer is (D). temperature (C)
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