Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ammonia Ethylene Freon-12 Carbon dioxide Ammonia Ethylene Freon-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an irreversible process Tds - dE + dW< 0 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 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 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 Decreased COP No change in the value of COP Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a spontaneous process, free energy Decreases whereas the entropy increases Increases And entropy both decrease Is zero Decreases whereas the entropy increases Increases And entropy both decrease Is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Activity co-efficient is a measure of the Departure of gas phase from idea] gas law Vapour pressure of liquid Departure from ideal solution behaviour None of these Departure of gas phase from idea] gas law Vapour pressure of liquid Departure from ideal solution behaviour None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific heat of a gas for a reversible adiabatic process is None of these Zero Infinity Negative None of these Zero Infinity Negative ANSWER DOWNLOAD EXAMIANS APP