Chemical Engineering Thermodynamics A large iceberg melts at the base, but not at the top, because of the reason that Ice at the base contains impurities which lowers its melting point The iceberg remains in a warmer condition at the base All of these Due to the high pressure at the base, its melting point reduces Ice at the base contains impurities which lowers its melting point The iceberg remains in a warmer condition at the base All of these Due to the high pressure at the base, its melting point reduces ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not affected by temperature changes? Free energy None of these Fugacity Activity co-efficient Free energy None of these Fugacity Activity co-efficient ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Infinity Zero Positive Negative Infinity Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? < - 94 kcal > -94 kcal Zero -94 kcal < - 94 kcal > -94 kcal Zero -94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is 4.238 1.9398 1.572 3.389 4.238 1.9398 1.572 3.389 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Remains unchanged Increases Decreases linearly Decreases Remains unchanged Increases Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
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