40 TOP CHEMICAL Engineering Basic Online Test – Multiple Choice Questions and Answers 1. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas less than same as half more than 2. Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the low pressure and high temperature high pressure and low temperature low pressure and low temperature high pressure and high temperature 3. Heating of water under atmospheric pressure is an __________ process isobaric adiabatic isochoric isothermal 4. The free energy change for a chemical reaction is given by (where, K = equilibrium constant) RT lnK T lnK -RT lnK -R lnK 5. Internal energy change of a system over one complete cycle in a cyclic process is dependent on the path -ve +ve zero 6. For a spontaneous process, free energy increases and entropy both decrease decreases whereas the entropy increases is zero 7. Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. remains constant increases decreases decreases logarithmically 8. Work done is a property of the system path function point function state description of a system 9. Entropy is a measure of the __________ of a system orderly behaviour disorder temperature changes only none of these 10. What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ? 1 2 3 4 Loading … Question 1 of 10
