Chemical Engineering Thermodynamics When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the Arrehenius hypothesis Law of corresponding state Kopp's rule Le-Chatelier principle Arrehenius hypothesis Law of corresponding state Kopp's rule Le-Chatelier principle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole. 0 273 25 None of these 0 273 25 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Ordinary vapour-compression cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Reverse Carnot cycle Ordinary vapour-compression cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Reverse Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The second law of thermodynamics states that The total energy of system and surrounding remains the same It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero None of these The total energy of system and surrounding remains the same It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is Infinity Unity Constant Negative Infinity Unity Constant Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Carbon dioxide Ethylene Freon-12 Ammonia Carbon dioxide Ethylene Freon-12 Ammonia ANSWER DOWNLOAD EXAMIANS APP
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