Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is T₁/(T₁ - T₂) (T₁ - T₂)/T₁ T₂/(T₁ - T₂) (T₁ - T₂)/T₂ T₁/(T₁ - T₂) (T₁ - T₂)/T₁ T₂/(T₁ - T₂) (T₁ - T₂)/T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which Mutual solubility of the two liquids shows a decreasing trend None of these A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers Mutual solubility of the two liquids shows a decreasing trend None of these A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. -55.2 -19.4 55.2 -30.2 -55.2 -19.4 55.2 -30.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of gas constant 'R' is 1.987 BTU/lb. mole °R 1.987 cal/gm mole °K Both A and B Neither A nor B 1.987 BTU/lb. mole °R 1.987 cal/gm mole °K Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature. At Above Either B or C Below At Above Either B or C Below ANSWER DOWNLOAD EXAMIANS APP
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