Basic Chemical Engineering Mock Test 1

1. What is the molarity of a solution with a mass of solute 10 kg mass and 100 liter volume?

2. A liquid of density 0.1 kg/m³ is flowing through a pipe at a rate of 15 kg/s, what will be the area of the pipe if the fluid velocity is 5 m/s?

3. A solid of density d is dropped in a liquid of density D, if d>D then,

4. 20 Kg/s of a fluid with density 5 Kg/m³ is passed into a tank of capacity 60 m³, how much time will it take to fill the tank?

5. A solution with density 1 g/cm³ has 98 grams of H₂SO₄ in 402 grams of water, what is the concentration of solution?

6. What is the concentration of 100 lbs. of solution occupying 25 m³ of volume?

7. If change in temperate is 212 degree Fahrenheit, what is the change in temperature in degree Rankine?

8. What is the specific gravity of a substance with mass 10 kg and volume 2 m³, with respect to the reference density 50 kg/m³?

9. The mole percent of H₂ and N₂ in a mixture is 50% each, what is the mass percentage of H₂?

10. A liquid of mass 10 kg is enclosed in a cylinder of radius 1 m and length 5 m, what is the density of liquid?