Basic Chemical Engineering Practice Test 2

1. Archimedes’ principle describes which of the following quantities?

2. Which of the following is not a unit of pressure?

3. What is the accumulation in the system after 4 second if the out flow and in flow rates are 3 g/s and 8 g/s?

4. 10 moles of A were present in a system initially, and 10 moles are added to it, it follows the reaction 4A -> B, what are the number of moles of B produced?

5. A fluid enters a vessel at the rate of 10 liters/s, and leaves in two pathways one with 7 liters/s and other with 3 liters/s, then what type of flow it is?

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

7. A barometer has liquid-1 with density 1 Kg/m³ and height 10 cm below the outside level above that a liquid-2, if the gauge pressure of gas is 0.5 Pa, what is the pressure liquid-2?

8. An unsteady state system, the flow in rate of A is 10 mole/s, what is the flow out rate of B if the accumulation was 10 mole in 2 seconds?

9. 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?

10. Heat capacity of a substance is given by C = 800 - 1600T + 25T², where T is temperature in degree Fahrenheit, what is the heat capacity if temperature is in degree Celsius?