Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? Methyl chloride Ammonia Freon Liquid sulphur dioxide Methyl chloride Ammonia Freon Liquid sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When dilute aqueous solutions of two salts are mixed, the process is associated with Decrease in temperature Increase in temperature No change in temperature Change in temperature which is a function of composition Decrease in temperature Increase in temperature No change in temperature Change in temperature which is a function of composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds = 0 Ds > 0 Ds <0 Ds = Constant Ds = 0 Ds > 0 Ds <0 Ds = Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy, which is a measure of the disorder of a system is Independent of pressure Independent of temperature All of these Zero at absolute zero temperature for a perfect crystalline substance Independent of pressure Independent of temperature All of these Zero at absolute zero temperature for a perfect crystalline substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is Virial equation of state? PV = nRT (p + a/V²)(V - b) = nRT None of these PV = A + B/V + C/V² + D/V³ + … PV = nRT (p + a/V²)(V - b) = nRT None of these PV = A + B/V + C/V² + D/V³ + … ANSWER DOWNLOAD EXAMIANS APP