Hydraulics Pre Assessment (Kimberly Clark 10/14/24)

Another name for cylinder would be __________.

• A power input device
• A valve
• A control device
• An actuator

The spool of a directional control valve is shifted to different positions by the __________.

• Fluid
• Operator
• Conductor
• Cylinder

Which of the following is not shown in a hydraulic schematic?

• Liquid
• Pump
• Actuator
• Relief valve
• Pressure gauge

The main function of a needle valve is to __________.

• Control pressure
• Control the speed of an actuator
• Turn off the flow
• Reduce pressure spikes

What one hydraulic component may be shown many times in a schematic without indicating that there are more than one of that component?

• Pump
• Cylinder
• Vented reservoir
• Directional control valve

A pump produces __________.

• Pressure
• Flow
• Flow and pressure
• Pressure drop

Pascal's law states that pressure in a confined fluid is equal and acts __________.

• On each flat surface
• Perpendicular to all surfaces
• Only at the bottom of the vessel
• Only against the bottom of the vessel

Relief valves allow flow to bypass the system and return to the __________.

• Atmosphere
• Pump
• Actuator
• Reservoir

The two types of relief valves used in hydraulic circuits are __________.

• Directing acting and poppet
• Pilot operated and bypass
• Integral and needle
• Pilot operated and direct acting

A flow control valve is a combination of a __________.

• Relief valve and DCVB
• Check valve and relief valve
• Needle valve and a check valve
• DCV and a needle valve