B-Answer for the following question 1-What is the meaning of (compressible fluid, incompressible fluid, ideal fluid, real fluid, laminar flow, turbulent flow) 2-Mention the pressure measuring devices. 3-Find the static head of liquid sp. gr. 0.85 and pressure are equivalent to 3.5 psi. 4-Determine the specific weight of fluid having a viscosity of 0.004 Pa.s, and kinematic viscosity 0.05 stock?