Ramsay Test Ramsay Hydraulics & Pneumatics 2

Question 1

What is the main cleanliness advantage of pneumatic systems over hydraulic systems?

Accepted Answer

No risk of fluid leaks or oil contamination

Answer

Higher force output

Answer

Lower operating speeds

Answer

Higher pressure capability

Question 2

In a pneumatic system, what is the purpose of an air dryer?

Accepted Answer

To remove moisture from compressed air

Answer

To heat the compressed air

Answer

To increase air pressure

Answer

To filter large particles

Question 3

What unit is most commonly used to measure pneumatic pressure in the United States?

Accepted Answer

PSI (pounds per square inch)

Answer

Bar

Answer

Pascal

Answer

Newton

Question 4

Which component in a pneumatic circuit regulates airflow to control actuator speed?

Accepted Answer

Flow control valve

Answer

Pressure relief valve

Answer

Check valve

Answer

Shuttle valve

Question 5

What does the acronym FRL stand for in pneumatic conditioning units?

Accepted Answer

Filter, Regulator, and Lubricator

Answer

Flow, Relief, and Lubrication

Answer

Frequency, Range, and Load

Answer

Force, Resistance, and Leverage

Question 6

A double-acting pneumatic cylinder uses compressed air to:

Accepted Answer

Both extend and retract the piston rod under power

Answer

Extend only, with a spring for retraction

Answer

Rotate a shaft continuously

Answer

Regulate pressure automatically