Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Accomplishes the reverse effect of the heat engine Transfers heat from high temperature to low temperature None of these Does not need the addition of external work for its functioning Accomplishes the reverse effect of the heat engine Transfers heat from high temperature to low temperature None of these Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics All gases above its inversion temperature, in a throttling process will show Either A or C No change in temperature A cooling effect A heating effect Either A or C No change in temperature A cooling effect A heating effect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An irreversible process Is the analog of linear frictionless motion in machines Yields the maximum amount of work Is an idealised visualisation of behaviour of a system Yields an amount of work less than that of a reversible process Is the analog of linear frictionless motion in machines Yields the maximum amount of work Is an idealised visualisation of behaviour of a system Yields an amount of work less than that of a reversible process ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Charles' law for gases states that V ∝ 1/T V/T = Constant V ∝ 1/P PV/T = Constant V ∝ 1/T V/T = Constant V ∝ 1/P PV/T = Constant 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 Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP No change in the value of COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP No change in the value of COP 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 1 4 3 2 1 4 3 ANSWER DOWNLOAD EXAMIANS APP