Hydraulic Pumps 3rd Session 2022-2023

What are the two types of fluid gear pumps?

• Input and Output

• Internal and External

• Inlet and Outlet

• Gear and Outlet

Which is an advantage of fluid gear pumps

• All of the above

• compact

• Simple

• cheap

Which one is a disadvantage of fluid gear pumps over other PD pumps?

• They are easily measured.

• Can handle obove 3000 psi

• Not complex enough

• They are susceptible to wear.

What allows the gear pump to move large volumes of water?

• Compressing the water in one place.

• Trapping fluid between the moving gears. 

• Trapping fluid outside of the gear case.

• Creating air pockets.

Which one is not an industry gear pumps can be used in?

• Oil industry.

• Pharmaceutical industry.

• Microchip industry.

• Chemical industry

A piston pump works by using a piston to ______.

• Pull a fluid

• Push a fluid

• Create a vacuum

• Rotating a wheel 

There are ____ type(s) of piston pump(s)

• 1

• 3

• 2

• 4

A piston pump moves fluids in _______.

• Short bursts

• Constant stream

• Long bursts 

• Streams when opened

True or False : Piston pumps are the cheapest to operate.

• True

• False

Piston pumps are ______.

• Highly efficient

• Can move loads of small and great size

• Really expensive

• All of the above