40 TOP CHEMICAL Engineering Basic Online Test – Multiple Choice Questions and Answers Posted on April 16, 2024April 16, 2024 by engineerLeave a comment 1. Internal energy change of a system over one complete cycle in a cyclic process is dependent on the path -ve +ve zero 2. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas less than same as half more than 3. Entropy is a measure of the __________ of a system orderly behaviour disorder temperature changes only none of these 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. 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 6. 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 7. 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 8. For a spontaneous process, free energy increases and entropy both decrease decreases whereas the entropy increases is zero 9. Work done is a property of the system path function point function state description of a system 10. Heating of water under atmospheric pressure is an __________ process isobaric adiabatic isochoric isothermal Loading … Question 1 of 10
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