Pneumatic Actuation System Basics

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19 Questions

Which term refers to the branch of engineering science related to gaseous pressure and flow?

Pneumatics

In pneumatics, how are gases typically assumed to be in terms of compressibility?

Perfectly elastic

Based on the text, which principle explains that increasing the speed of gas molecules hitting the walls of a container results in higher gas pressure?

Kinetic Theory of Gases

Which term describes the phenomenon where more gas molecules in a container lead to an increase in pressure?

Avogadro's Law

In pneumatics, what property of gases allows them to be compressed immediately?

Elasticity

What type of actuator is commonly used with process control valves?

Diaphragm actuator

How is the state of each cylinder indicated in sequential controls discussions?

By using positive and negative signs

What is the effect of changes in input pressure on a diaphragm actuator?

Movement of the central part of the diaphragm

When is a double seated valve body and plug used?

When fluid splits into two streams upon entering the valve

What is the purpose of a process control valve?

To control the rate of fluid flow

How can a linear cylinder be used to produce rotary movement?

With appropriate mechanical linkages

According to Boyle's Law, what happens to the volume of an enclosed gas when the pressure increases?

The volume decreases

Which principle states that the volume of a gas is proportional to its absolute temperature if pressure is constant?

Charles's Law

What happens to the volume of a gas if its absolute temperature is increased at constant pressure, according to Charles's Law?

The volume increases

In a hydraulic system, what happens to the liquid as the temperature rises?

It expands due to increased pressure

Which law states that pressure on a confined fluid is transmitted undiminished in every direction?

Pascal’s Law

What is the term used when control pressures are applied to each side of the piston in a cylinder?

Double acting

'Forces acting on each piston in a hydraulic system are directly proportional to what?'

Pressure

'What type of valve is employed in pneumatic and hydraulic systems to direct fluid flow?'

Spool valve

Learn the basic principles of pneumatic actuation systems, including compressibility and expansion of gases and the kinetic theory of gases. Explore the fundamentals of pneumatics, defined as the branch of engineering science related to gaseous pressure and flow.

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