Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? Tds = dE - PdV DQ = CpdT + Vdp DQ = CvdT + PdV DE = Tds - PdV Tds = dE - PdV DQ = CpdT + Vdp DQ = CvdT + PdV DE = Tds - PdV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Change of state namely evaportation condensation, freezing and melting is an __________ process. Adiabatic Isothermal Isobaric Isochoric Adiabatic Isothermal Isobaric Isochoric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration capacity is equivalent to the heat removal rate of 200 BTU/hr 50 k cal/hr 200 BTU/day 200 BTU/minute 200 BTU/hr 50 k cal/hr 200 BTU/day 200 BTU/minute ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If we increase the pressure on a substance (which is at its triple point), then the triple point May increase or decrease ; depends on the substance Increases Remains unchanged Decreases May increase or decrease ; depends on the substance Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the time is passing, entropy of the universe Remains constant Is increasing Is decreasing Data insufficient, can't be predicted Remains constant Is increasing Is decreasing Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
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