Chemical Engineering Thermodynamics If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. 200 50 205 100 200 50 205 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. Low freezing point Large latent heat of vaporisation High viscosity High thermal conductivity Low freezing point Large latent heat of vaporisation High viscosity High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration cycle Neither A nor B Involves transfer of heat from low temperature to high temperature Violates second law of thermodynamics Both A and B Neither A nor B Involves transfer of heat from low temperature to high temperature Violates second law of thermodynamics Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is 2 RT -2 RT ln 0.5 0.5 RT -RT ln 0.5 2 RT -2 RT ln 0.5 0.5 RT -RT ln 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is 651 349 667 1000 651 349 667 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Atmospheric pressure vaporisation of water at 100°C Expansion of an ideal gas against constant pressure None of these Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C Expansion of an ideal gas against constant pressure None of these Solution of NaCl in water at 50°C ANSWER DOWNLOAD EXAMIANS APP
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