Basic Chemical Engineering Practice Test 2

1. A barometer has liquid level 10 cm above the outside level and the gas captured inside has the pressure of 0.5 atm, what is the density of liquid?

2. An unsteady-state system, with 6 liters as initial amount of water in the vessel, water flow in rate is 2 liters/ s and flow out rate is 4 liters/s, what will be the amount of water in the vessel after 1 second?

3. What is the pressure of 1900 mm Hg in atm?

4. 10 moles of O₂ is added to 10 moles of H₂, how many moles of H₂O will it produce?

5. A combustion reaction has reactants 1 mole of C_xH_y and 2 moles of O₂ and products 1 mole of CO₂ and 2 mole of H₂O, what is x + y?

6. A fluid enters a vessel at the rate of 10 liters/s, and leaves in two pathways one with 5 liters/s and other with 3 liters/s, then what type of flow it is?

7. The human body is an example of which of the following?

8. A closed end manometer is filled with a gas on one end and other end is close with vacuum, height difference of liquid (density = 10000 Kg/m³) 25 cm, what is the pressure of gas?

9. Which of the following remains constant in the steady state system?

10. What is the pressure of 19 mm Hg in pascal?