Chemical Engineering Thermodynamics Dry ice is None of these Moisture free ice Solid helium Solid carbon dioxide None of these Moisture free ice Solid helium Solid carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when N = 1 N = 0 N = y = 1.4 N = 1.66 N = 1 N = 0 N = y = 1.4 N = 1.66 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an incompressible fluid, the __________ is a function of both pressure as well as temperature. Internal energy Entropy All of these Enthalpy Internal energy Entropy All of these Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is Cv log10 4 Cv loge 4 R loge 4 R log10 4 Cv log10 4 Cv loge 4 R loge 4 R log10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Polytropic Isothermal Adiabatic Isentropic Polytropic Isothermal Adiabatic Isentropic ANSWER DOWNLOAD EXAMIANS APP