What does this symbol mean?

• Sealed Reservior

• Pressurized Reservoir

• Vented Reservoir

• Suction line or return line above oil level

What is this?

• vented reservoir

• sealed reservoir

• pressurized reservoir

• no suction line

What is this?

• vented reservoir

• suction line or return line below oil level

• Pressurized reservoir

• sealed reservoir

What is this?

• accumulator

• vented reservoir

• pressurized reservoir

• sealed reservoir

Which one of these is a hydraulic filter?

• 
• 
• 
• 

Which of these is a single acting actuator?

• 
• 
• 
• 

Which of these is a double acting actuator?

• 
• 
• 
• 

Name this schematic symbol.

• Check valve

• Spring operated check valve

• Spring loaded, pilot operated check valve

• Shuttle valve

What is this?

• variable-displacement

  pump

• fixed displacement pump

• air compressor

• fixed displacement bidirectional pump

What is this?

• fixed displacement bidirectional pump

• air compressor

• variable-displacement

  pump

• fixed displacement pump