Chemical Engineering Thermodynamics Second law of thermodynamics is concerned with the Amount of energy transferred Irreversible processes only Non-cyclic processes only Direction of energy transfer Amount of energy transferred Irreversible processes only Non-cyclic processes only Direction of energy transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Reduced pressure of a gas is the ratio of its Pseudocritical pressure to pressure Pressure to critical pressure Pressure to pseudocritical pressure Critical pressure to pressure Pseudocritical pressure to pressure Pressure to critical pressure Pressure to pseudocritical pressure Critical pressure to pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Any substance above its critical temperature exists as Gas Saturated vapour Solid Liquid Gas Saturated vapour Solid Liquid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Reverse Carnot cycle 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Decreased COP No change in the value of COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP No change in the value of COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is 0 2 3 1 0 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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