TPC Basic Hydraulics Exam Questions and Answers 100% Pass

TPC Basic Hydraulics Exam Questions and
Answers 100% Pass


A hydraulic pipe designated as Scheduled 80 is -

CORRECT ANSWER: Extra Heavy




QUESTION: A disadvantage of using hose in hydaulic systems instead

of piping or tubingis that the hose -

CORRECT ANSWER: is less permanent




QUESTION: Which type of fitting should be used on a steel hydraulic

line -

CORRECT ANSWER: steel




QUESTION: Pressure lose in a hydraulic line depends on the -

CORRECT ANSWER: flow velocity

,QUESTION: Hydraulic lines should NEVER be constructed of -

CORRECT ANSWER: Galvanized pipe




QUESTION: Which type of valve has a round core -

CORRECT ANSWER: Rotary




QUESTION: To facillitate comparison, manufacturers rate the flow

capacity of vavles by their -

CORRECT ANSWER: CV Factor




QUESTION: Which of the following kinds of vavles should be used in

hydraulic system to change the direction of motion of the cylinder? -

CORRECT ANSWER: Directional control vavle




QUESTION: The coonsturction of a spool vavle causes it to -

, CORRECT ANSWER: Be partially balanced




QUESTION: In applications using a needle vavle that must be shut off

frequently, a ________ should be used -

CORRECT ANSWER: sofft seat




QUESTION: What characteristic of a fluid does the term "specific

gravity" describe ? -

CORRECT ANSWER: Density




QUESTION: the formation of large air bubbles or pockets in a

hydraulic system is known as -

CORRECT ANSWER: Cavitation




QUESTION: The Law of Conservatiion of Energy states that energy

cannot be created or destroyed, it can only be -

CORRECT ANSWER: Transformed