TPC BASIC HYDRAULICS QUESTIONS AND ANSWERS 2024/2025

A hydraulic pipe designated as Scheduled 80 is  Extra Heavy A disadvantage of using hose in hydaulic systems instead of piping or tubingis that the hose  is less permanent Which type of fitting should be used on a steel hydraulic line  steel Pressure lose in a hydraulic line depends on the  flow velocity Hydraulic lines should NEVER be constructed of  Galvanized pipe Which type of valve has a round core  Rotary To facillitate comparison, manufacturers rate the flow capacity of vavles by their  CV Factor Which of the following kinds of vavles should be used in hydraulic system to change the direction of motion of the cylinder? 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel! 1 | P a g e | G r a d e A + | 2 0 24 / 2 0 2 5  Directional control vavle The coonsturction of a spool vavle causes it to  Be partially balanced In applications using a needle vavle that must be shut off frequently, a ________ should be used  sofft seat What characteristic of a fluid does the term "specific gravity" describe ?  Density the formation of large air bubbles or pockets in a hydraulic system is known as  Cavitation The Law of Conservatiion of Energy states that energy cannot be created or destroyed, it can only be  Transformed According to Bernoullis Law Principle, when fluid flow increases in asystem, the pressure  Decreases What type of energy is produced in a hydraulic system when the piston has raised an object to a higher level ?  Potential 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel! 1 | P a g e | G r a d e A + | 2 0 24 / 2 0 2 5 Fluid pressure in one section of a hydraulic system is limited by a  reducing vavle The flow from the outlet of a sequence vavle is at  Line pressure A meter out flow control vavle is used to regulate fluid flow from a(n)  actuato