1. Derived the below equation. Use water as the liquid. head in feet —— (pressure in psi x 2.31) speciftC fifYQ its 2. Compute the pressure in psi at the bottom of each columns and explain why they have different results. FIGURE 1 FFFT 1. 2. 3. 4. What is similitude? (15 pts) What is the difference between model and the prototype? (15 pts) What are the three types of similarities? Explain each briefly.(50 pts) What is the significance of doing similitude* (20 pts)