Metallurgical Thermodynamics and Kinetics MCQ Questions and Answers | Metallurgical Engineering

A. $$\Delta S = Rln\left( {\frac{{{V_2}}}{{{V_1}}}} \right) = - R\ln \left( {\frac{{{P_2}}}{{{P_1}}}} \right),$$

B. $$\Delta S = {C_P}\ln \left( {\frac{{{T_2}}}{{{T_1}}}} \right),$$

C. $$\Delta S = {C_V}\ln \left( {\frac{{{T_2}}}{{{T_1}}}} \right),$$

D. All are correct

A. zero

B. Infinite

C. positive

D. negative

A. temperature

B. pressure

C. number of phases

D. both A and B

A. 174.5 K

B. 447.5 K

C. 600.5 K

D. 847.5 K

A. inward mass transfer of hydrogen gas

B. outward mass transfer of H₂O

C. chemical reaction at gas metal interface

D. combined mass transfer of H₂ and H₂O

A. $$\left( {\frac{{\delta E}}{{\delta {n_1}}}} \right)T,P,{n_2},{n_3}...$$

B. $$\left( {\frac{{\delta H}}{{\delta {n_1}}}} \right)S,V,{n_2},{n_3}...$$

C. $$\left( {\frac{{\delta A}}{{\delta {n_1}}}} \right)T,V,{n_2},{n_3}...$$

D. $$\left( {\frac{{\delta G}}{{\delta {n_1}}}} \right)P,V,{n_2},{n_3}...$$

A. $$ - \frac{1}{P}{\left( {\frac{{\partial V}}{{\partial P}}} \right)_T}$$

B. $$\frac{1}{P}{\left( {\frac{{\partial V}}{{\partial P}}} \right)_T}$$

C. $$ - \frac{1}{V}{\left( {\frac{{\partial V}}{{\partial P}}} \right)_T}$$

D. $$\frac{1}{V}{\left( {\frac{{\partial V}}{{\partial P}}} \right)_T}$$

A. adiabatic isothermal process

B. isothermal process

C. quasi-static process

D. isobaric process

A. 1701.5

B. 1723.5

C. 1728.5

D. 1751. 5

A. 1

B. 2

C. 3

D. 4