Chemical Engineering Thermodynamics Melting of wax is accompanied with __________ in entropy. None of these No change Increase Decrease None of these No change Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Geometric Logarithmic Arithmetic Harmonic Geometric Logarithmic Arithmetic Harmonic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is Virial equation of state? PV = A + B/V + C/V² + D/V³ + … (p + a/V²)(V - b) = nRT None of these PV = nRT PV = A + B/V + C/V² + D/V³ + … (p + a/V²)(V - b) = nRT None of these PV = nRT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not constant for an ideal gas? (∂V/∂T)P (∂P/∂V)V All of these (∂P/∂V)T (∂V/∂T)P (∂P/∂V)V All of these (∂P/∂V)T ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system in which there is exchange of energy but not of mass, is called a/an __________ system. Insulated Isolated Closed Open Insulated Isolated Closed Open ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is 4.238 3.389 1.572 1.9398 4.238 3.389 1.572 1.9398 ANSWER DOWNLOAD EXAMIANS APP
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