Chemical Engineering Thermodynamics In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Polytropic Adiabatic Isentropic Isothermal Polytropic Adiabatic Isentropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in temperature Decrease in velocity Decrease in kinetic energy Energy spent in doing work Decrease in temperature Decrease in velocity Decrease in kinetic energy Energy spent in doing work ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Decrease Increase Remain unaltered Increase or decrease ; depends on the particular reaction Decrease Increase Remain unaltered Increase or decrease ; depends on the particular reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Remains unchanged May increase or decrease; depends on the substance Increases Decreases Remains unchanged May increase or decrease; depends on the substance Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Partially condensed vapour with quality of 0.9 Saturated vapour Superheated vapour Partially condensed vapour with quality of 0.1 Partially condensed vapour with quality of 0.9 Saturated vapour Superheated vapour Partially condensed vapour with quality of 0.1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are 3 1 2 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
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