Chemical Engineering Thermodynamics Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of Vaporisation Fusion Sublimation Transition Vaporisation Fusion Sublimation Transition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Increased or decreased COP ; depending upon the type of refrigerant Same COP Decreased COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP Decreased COP Increased COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The energy of activation of exothermic reaction is Very large compared to that for en-dothermic reaction Negative Zero Not possible to predict Very large compared to that for en-dothermic reaction Negative Zero Not possible to predict ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boyle's law for gases states that P ∝ 1/V, when temperature & mass of the gas remain constant P/V = constant, for any gas P ∝ 1/V, when temperature is constant P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature & mass of the gas remain constant P/V = constant, for any gas P ∝ 1/V, when temperature is constant P ∝ V, at constant temperature & mass of the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically not equal for the gases At low temperature and high pressure Both A and B At standard state In ideal state At low temperature and high pressure Both A and B At standard state In ideal state 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 Remain unaltered Increase or decrease ; depends on the particular reaction Decrease Increase Remain unaltered Increase or decrease ; depends on the particular reaction Decrease Increase ANSWER DOWNLOAD EXAMIANS APP