Chemical Engineering Thermodynamics In an irreversible process Tds - dT + dW< 0 DE - dW - Tds = 0 Tds = dE - dW = 0 Tds - dE + dW< 0 Tds - dT + dW< 0 DE - dW - Tds = 0 Tds = dE - dW = 0 Tds - dE + dW< 0 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 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 Decreased COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ? Compressor Refrigerator Expansion valve Condenser Compressor Refrigerator Expansion valve Condenser ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Temperature is constant Cooling occurs Heating occurs Pressure is constant Temperature is constant Cooling occurs Heating occurs Pressure is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is None of these Positive Negative Zero None of these Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done in case of free expansion is Negative None of these Zero Indeterminate Negative None of these Zero Indeterminate ANSWER DOWNLOAD EXAMIANS APP