Basic Chemical Engineering Practice Test 10

1. What is the temperature of the point of intersection of adiabatic cooling line and specific humid volume line?

2. What is the enthalpy change of 10^oC system if the heat capacity of air at 20^oC is 5 J/^oC and heat capacity of water vapor at 20^oC is 15 J/^oC, enthalpy of vaporization is 10 J, and the humidity is 40%?

3. The feed of a process simulator is 5 mole with enthalpy 3 J/mole, the heat input is 15 J, and the work performed is 20 J, what will be the product enthalpy if a mole of the product are 2?

4. Which of the following is the summation of a volume of 1 Kg of dry air and the water vapor in the air?

5. The humidity at dry-bulb temperature of 20^oC is 40% and the humidity at dry-bulb temperature of 25^oC is 25%, what is the slope of adiabatic cooling line?

6. Which of the following is not found in process simulators?

7. What is the enthalpy change of 30^oC system if the heat capacity of air at 38^oC is 5 J/^oC and heat capacity of water vapor at 38^oC is 10 J/^oC, enthalpy of vaporization is 10 J, and the humidity is 60%?

8. What are the number of equations associated with 2 process stream, if the number of species in the stream are 3?

9. For solving a process simulation which of the following is required?

10. What is the heat of solution in the energy balance?