Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils It should be non-explosive None of these Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils It should be non-explosive None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The quantitative effect of temperature on chemical equilibrium is given by the Le-Chatelier's principle Arhenius equation None of these Vant-Hoff equation Le-Chatelier's principle Arhenius equation None of these Vant-Hoff equation 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 Cp of a gas at its critical temperature and pressure Equals 1 kcal/kmol °K Becomes infinity Becomes zero Equals 0.24 kcal/kmol °K Equals 1 kcal/kmol °K Becomes infinity Becomes zero Equals 0.24 kcal/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates Covering of wide range More accurate plotting Easier plotting Use of only one graph for all gases Covering of wide range More accurate plotting Easier plotting Use of only one graph for all gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High thermal conductivity High viscosity Low freezing point Large latent heat of vaporisation High thermal conductivity High viscosity Low freezing point Large latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP