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Exam (elaborations)

TPC BASIC HYDRAULICS QUESTIONS AND ANSWERS 2024/2025

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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 ...

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  • October 8, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • TPC
  • TPC
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2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!


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?


1|Page| GradeA+ | 2 0 0 2 5

, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

 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


1|Page| GradeA+ | 2 0 0 2 5

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