Hydraulics: Principles and Circuits

Explain what a liquid is and how liquids differ from solids and gases. Explain how force is transmitted through a liquid. Define the following terms: pressure head atmospheric pressure vacuum laminar flow turbulent flow velocity and flow rate. Describe the relationship between pressure and flow in a hydraulic system. List the main components of a basic hydraulic circuit and describe the function of each component. Describe the basic operation of an automatic venting circuit. Describe the basic operation of an accumulator circuit. Describe the basic operation of a regenerative circuit.