Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Decrease in enthalpy corresponding to evolution of heat Increase in enthalpy corresponding to absorption of heat Decrease of entropy No change in enthalpy Decrease in enthalpy corresponding to evolution of heat Increase in enthalpy corresponding to absorption of heat Decrease of entropy No change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration capacity is equivalent to the heat removal rate of 200 BTU/hr 200 BTU/minute 50 k cal/hr 200 BTU/day 200 BTU/hr 200 BTU/minute 50 k cal/hr 200 BTU/day ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cv for an ideal gas Is independent of volume only Does not depend upon temperature Is independent of both pressure and volume Is independent of pressure only Is independent of volume only Does not depend upon temperature Is independent of both pressure and volume Is independent of pressure only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is Negative Unity Constant Infinity Negative Unity Constant Infinity 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) Harmonic Arithmetic Geometric Logarithmic Harmonic Arithmetic Geometric Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Either A, B or C Expands Contracts Does not change in volume Either A, B or C Expands Contracts Does not change in volume ANSWER DOWNLOAD EXAMIANS APP