Metallurgical Thermodynamics and Kinetics MCQ Questions and Answers | Metallurgical Engineering

A. $$K{\left( {P{N_2}} \right)^{\frac{1}{2}}}$$

B. √K . PN₂

C. $${\left( {K.P{N_2}} \right)^{\frac{1}{2}}}$$

D. K . PN₂

A. $$a = \frac{f}{{{f^0}}}$$

B. Mixed fugacity

C. activity

D. Both A and C

A. -950

B. -1150

C. -1550

D. -1950

A. increases

B. decreases

C. remains constant

D. increases to a maximum before decreasing

A. Rate = K

B. Rate = K[A]

C. Rate = K[A][B]

D. Rate = K[A][B][C]

A. 142.7

B. 1120.9

C. 1424.8

D. 2549.6

A. P or Q

B. P or, Q or, R

C. Q or, R or, S

D. P or, R or, S

A. $${\left( {\frac{{\partial V}}{{\partial T}}} \right)_p} = {\left( {\frac{{\partial S}}{{\partial P}}} \right)_T}$$

B. $${\left( {\frac{{\partial V}}{{\partial T}}} \right)_p} = - {\left( {\frac{{\partial S}}{{\partial P}}} \right)_T}$$

C. $${\left( {\frac{{\partial V}}{{\partial T}}} \right)_p} = {\left( {\frac{{\partial P}}{{\partial S}}} \right)_T}$$

D. $${\left( {\frac{{\partial V}}{{\partial T}}} \right)_p} = - {\left( {\frac{{\partial P}}{{\partial S}}} \right)_T}$$

A. $$ - \frac{{4Y}}{{\Delta g}}$$

B. $$ - \frac{{42}}{{\Delta g}}$$

C. $$\frac{Y}{{\Delta g}}$$

D. $$ - \frac{{3Y}}{{\Delta g}}$$

A. Thermal equilibria

B. Thermal nonequilibria

C. Thermal instability

D. None of these