Chemical Engineering Thermodynamics Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes. Calculation of rates Reaction mechanism None of these Energy transformation from one form to the another Calculation of rates Reaction mechanism None of these Energy transformation from one form to the another ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Not have unduly high vapour pressure at the condenser temperature Both A and B Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Not have unduly high vapour pressure at the condenser temperature Both A and B Have low specific heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance Liquid and vapour have the same density All of these There is no distinction between liquid and vapour phases The surface tension vanishes Liquid and vapour have the same density All of these There is no distinction between liquid and vapour phases The surface tension vanishes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Pressure is constant Heating takes place Cooling takes place Temperature is constant Pressure is constant Heating takes place Cooling takes place Temperature is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Heating Simultaneous pressure & temperature change Both B and C Cooling Heating Simultaneous pressure & temperature change Both B and C Cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in pressure (above atmospheric pressure), the Cp of a gas Increases First decreases and then increases Decreases Remains unchanged Increases First decreases and then increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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