Chemical Engineering Thermodynamics The gas law (PV = RT) is true for an __________ change. Both A & B Adiabatic Neither A nor B Isothermal Both A & B Adiabatic Neither A nor B Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done in an adiabatic process between two states depends on the Initial state only None of these Rate of heat transmission End states only Initial state only None of these Rate of heat transmission End states only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not a refrigerant? C₂H₄Cl₂ SO₂ CCl₂F₂ NH₃ C₂H₄Cl₂ SO₂ CCl₂F₂ NH₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Have low specific heat Not have unduly high vapour pressure at the condenser temperature Both A and B Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Have low specific heat Not have unduly high vapour pressure at the condenser temperature Both A and B Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an irreversible process Tds = dE - dW = 0 Tds - dE + dW< 0 DE - dW - Tds = 0 Tds - dT + dW< 0 Tds = dE - dW = 0 Tds - dE + dW< 0 DE - dW - Tds = 0 Tds - dT + dW< 0 ANSWER DOWNLOAD EXAMIANS APP