Hydraulics Questions and Answers 100% Pass

Hydraulics Questions and Answers 100% Pass How does force transfer in a hydraulic system? When force is applied at one end of a solid, it is transmitted through to the opposite end. What are some benefits of using hydraulic systems? They offer advantages such as reduced weight, smooth operation, minimal maintenance, and high efficiency. What are some drawbacks of hydraulic systems? Potential issues include leakage and contamination. How does heat affect a liquid in a hydraulic system? Heat causes the liquid to expand, exerting pressure on the container; the pressure is transmitted uniformly in all directions, perpendicular to the force. What are the fundamental principles of hydraulics? Force: measured as weight in pounds. 2 Pressure: force applied to a unit area, measured in pounds per square inch. Working area: the mechanical advantage measured in square inches. What does Pascal's Law state about pressure in a confined liquid? Pascal's Law asserts that pressure applied to a confined liquid is distributed equally and without reduction in all directions, exerting equal force on all surfaces. How do you calculate the force exerted in a hydraulic system? Force is determined by multiplying area by pressure. How is force (in pounds) determined? Force is calculated by multiplying the area by the pressure. How is the working area (in square inches) calculated? The working area is found by dividing the force by the pressure. How is pressure (in psi) calculated? Pressure is calculated by dividing the force by the area. 3 What are the main components of a hydraulic jack? It includes a reservoir, pump, bypass valve, actuating cylinder, and check valves. What are some examples of components in hydraulic systems used in aircraft? Landing gear, wing flaps, control surfaces, mechanisms for folding wings, bomb-bay doors, and braking systems.