Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Work required to refrigeration obtained Higher to lower temperature Refrigeration obtained to the work required Lower to higher temperature Work required to refrigeration obtained Higher to lower temperature Refrigeration obtained to the work required Lower to higher temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In which of the following reaction equilibria, the value of equilibrium constant Kp will be more than is Kc? 2HI ⇋ H₂ + I₂ 2SO₂ + O₂ ⇋ 2SO₃ None of these N₂O₄ ⇋ 2NO₂ 2HI ⇋ H₂ + I₂ 2SO₂ + O₂ ⇋ 2SO₃ None of these N₂O₄ ⇋ 2NO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is 2 4 1 3 2 4 1 3 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. Both B and C Heating Simultaneous pressure & temperature change Cooling Both B and C Heating Simultaneous pressure & temperature change Cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for a system comprising liquid water equilibrium with its vapour? 1 0 3 2 1 0 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Any substance above its critical temperature exists as Liquid Solid Saturated vapour Gas Liquid Solid Saturated vapour Gas ANSWER DOWNLOAD EXAMIANS APP
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