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Hydraulic Unit Quiz

True/False
Indicate whether the statement is true or false.
 

 1. 

PSI means pounds per square inch?
 

 2. 

GPM means gallons per meter?
 

 3. 

A hydraulic motor recieves it’s power from a stationary fluid?
 

 4. 

A spool valve does not control the direction of flow of fluid in a cylinder?
 

Completion
Complete each statement.
 

 5. 

The internal component of a hydraulic cylinder that is moved in a linear motion by the action of fluid introduced into the cylinder?  (spelling counts)
 

 

 6. 

Pressure exerted at any point on a confined liqud is transmitted equally in all directions?  (spelling counts)
 

 

 7. 

A tool or equipment powered or supported by the movement of compressed air?  (spelling counts)
 

 

 8. 

This functions in a hydraulic system by pressurinzing and moving fluid from one part of the system to another?  (spelling counts)
 

 

 9. 

A piston pump works best at ________ PSI or higher.  (answer is numeric)
 

 

 10. 

Gear pumps work best at _____ PSI or less.  (answer is numeric)
 

 

 11. 

This is a piece of equipment that transfers hydraulic power into mechanical movement in one or two directions only?
 

 

 12. 

This refers to hydraulic cylinder that pushes and pulls?  (spelling counts)     
 

 

 13. 

This is the polished round bar that is extended from and retracted into a hydraulic cylinder?  (spelling counts)
 

 

 14. 

The length of movement that a hydraulic cylinder is capable of producing?
 

 

 15. 

This is a rotating shaft on a modern tractor powered by an internal hydraulic cylinder?
 

 

 16. 

What year was the first hydraulic power lift for a tractor introduced?  (this is a numeric answer)
 

 



 
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