Name:*

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Date:*

1. Minimum Pressure for operating a foam Pro Pack at the device is _______ PSI.*

30 40 50 100

2. Maximum distance between pumpers in a relay for rated flow is ________ feet. *

900 1000 1200 1500

3. Vanes, the eye and the shroud are all parts of the ___________.*

Packing Volute Propeller Impeller Casing

4. The difference between the discharge and the intake pressures is known as the __________.*

Static Pressure Net Pump Pressure Residual Pressure Head Pressure

5. Using the formula for flow, how many GPM will a smooth bore hand-held flow that has a 1-1/8" diameter?*

210 265 270 328 341

6. With a 10' lift, the intake gauge will read approximately ____" Hg with no water flowing.*

8 9 10 11

7. To raise a column of water to 1 PSI, it must be 1 foot in length, 1 foot wide and _____ foot (feet) high.*

0.434 1 2.304 4.34

Questions 8-10 are hydraulics questions. Please refer to the last slide of the slide show for the questions.

8. What is the Engine Discharge Pressure for the supply engine in PSI? *

9. What is the Engine Discharge Pressure for the relay engine in PSI?*

10. What is the Engine Discharge Pressure for the attack engine in PSI?*