The reservoir is used in the power unit to...

Store oil in a hydraulic system

What is the difference between hydraulics and pneumatics?

Hydraulic systems use liquids and pneumatic systems use gases.

What is the function of a hydraulic pump in a fluid power system?

To convert mechanical energy into hydraulic energy

What is the primary function of an accumulator in a hydraulic system?

To absorb shock and maintain pressure

What is the primary function of a hydraulic power pack?

To supply hydraulic fluid under pressure

What is the primary function of a hydraulic actuator?

To convert hydraulic energy into mechanical energy

What is the role of a directional control valve in a hydraulic system?

To control the direction of fluid flow

How does a sequence valve differ from a pressure relief valve?

Sequence valves control the sequence of operations, while pressure relief valves limit maximum pressure.

In which scenario would a sequence valve be most useful?

When operations need to occur in a specific order

What is the primary function of a check valve in a fluid system?

To allow fluid flow in one direction only

Which of the following is a common application of check valves? Preventing backflow in a piping system, Controlling the speed of fluid flow, Measuring fluid pressure, Heating the fluid

Preventing backflow in a piping system

What is the primary function of a selector valve in a hydraulic system?

To direct the flow of hydraulic fluid to different circuits

How does a selector valve differ from a check valve?

Selector valves control the direction of flow, while check valves prevent backflow.

What is the primary difference between single action and double action hydraulic actuators?

Single action actuators use hydraulic fluid only for extending, while double action actuators use it for both extending and retracting.

In which scenario would a single action hydraulic actuator be more advantageous than a double action actuator? Options: When precise control of movement is required., When energy efficiency is a priority and only one direction of movement is needed., When high-speed operation is necessary., When continuous movement in both directions is required.

When energy efficiency is a priority and only one direction of movement is needed.

What is the main difference between balanced and unbalanced hydraulic actuators in terms of force distribution?

Balanced actuators distribute force evenly, while unbalanced actuators do not.

When is an open center hydraulic system typically used? Options: In systems requiring constant pressure, In systems with multiple actuators operating simultaneously, In systems where energy efficiency is not a priority, In systems with a single actuator

In systems with multiple actuators operating simultaneously

What is a key advantage of using an open center hydraulic system?

It allows for simultaneous operation of multiple functions

In which scenario is a closed center hydraulic system most beneficial? Options: When multiple actuators need to be controlled independently, When a single actuator is used continuously, When the system needs to be lightweight, When the system operates at low pressure

When multiple actuators need to be controlled independently

How does a closed center hydraulic system differ from an open center system in terms of fluid flow?

Closed center systems stop fluid flow when not in use.

Hydraulic Systems Flashcards

Student preview

49 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the purpose of a reservoir in a basic hydraulic system?

Back

To store hydraulic fluid

2.

FLASHCARD QUESTION

Front

What is the purpose of filters and strainers in a fluid power system?

Back

To remove system contamination

3.

FLASHCARD QUESTION

Front

What is the main method for removing system contamination in a fluid power system?

Back

Using filters and strainers

4.

FLASHCARD QUESTION

Front

What are the considerations when choosing a replacement hydraulic hose?

Back

Ensure compatibility with fluid and proper pressure rating.

5.

FLASHCARD QUESTION

Front

What are the two branches of Fluid Power?

Back

Pneumatics and Hydraulics

6.

FLASHCARD QUESTION

Front

What is pressure?

Back

Amount of force applied to a given area.

7.

FLASHCARD QUESTION

Front

Pascal's Law states that a fluid transmits pressure equally in all directions.

Back

True

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