Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process. Adiabatic Polytropic Isothermal Isobaric Adiabatic Polytropic Isothermal Isobaric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the ratio of adiabatic compressibility to isothermal compressibility? >> 1 < 1 > 1 1 >> 1 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an exothremic reaction Enthalpy change is zero Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Enthalpy change is zero Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Enhanced COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Enhanced COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy is equal to the heat absorbed in case of a/an __________ process. Constant pressure Constant volume Adiabatic Polytropic Constant pressure Constant volume Adiabatic Polytropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. Enthalpy Pressure Entropy None of these Enthalpy Pressure Entropy None of these ANSWER DOWNLOAD EXAMIANS APP