The hydrogen content of steel in equilibrium with hydrogen gas at 1 bar pressure is 28 ppm at some temperature. Hydrogen content in the metal at the same temperature gets reduced at 1 ppm, when the equilibrium PH2 changes to . . . . . . . . bar.
A. 28
B. $$\frac{1}{{28}}$$
C. $${\left( {\frac{1}{{28}}} \right)^{1.5}}$$
D. $${\left( {\frac{1}{{28}}} \right)^2}$$
Answer: Option B
This Question Belongs to Metallurgical Engineering >> Metallurgical Thermodynamics And Kinetics
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