MWS CCRE QUESTIONS AND ANSWERS
ALREADY PASSED
What is the primary step before drafting from a natural water source?
✔✔Inspect the water source for depth, cleanliness, and accessibility.
How can the driver/operator reduce turbulence in portable tanks?
✔✔Use baffles or direct water flow to minimize movement.
What should be done immediately after completing a water shuttle operation?
✔✔Inspect all equipment, flush the pump, and check for any damage.
How is cavitation detected during pump operations?
✔✔By hearing unusual noises or observing fluctuating pressure readings.
What is the function of a check valve in the pump system?
✔✔To prevent backflow and maintain water flow direction.
1
,How should a drafting operation be initiated in shallow water?
✔✔Use a floating strainer or elevate the hose intake above the bottom.
What should the driver/operator verify when connecting the apparatus to a hydrant?
✔✔Ensure the hydrant valve is fully open and water flow is unrestricted.
What maintenance is required for hoses used in drafting operations?
✔✔Inspect for wear, clean thoroughly, and store in a dry area.
How can the operator prevent damage to the pump during drafting?
✔✔Avoid running the pump dry and maintain proper water flow.
What is the purpose of a pressure governor on the pump panel?
✔✔To automatically adjust engine speed to maintain consistent pressure.
How should a portable tank be positioned at the fire scene?
✔✔Close enough to the apparatus to allow easy access without obstruction.
2
, What is the best way to improve efficiency during relay pumping?
✔✔Position apparatus at equal distances and use relay valves if needed.
What is the primary cause of pump overheating?
✔✔Lack of water flow through the pump or excessive engine strain.
How should excess water be drained from hoses after operations?
✔✔Elevate one end and allow gravity to assist in removing the water.
What is the recommended method for filling the tank during operations?
✔✔Use a fill line with controlled flow to prevent overfilling.
What should be checked if the pump fails to reach the desired pressure?
✔✔Inspect for leaks, clogs, or improperly adjusted valves.
How can water hammer be avoided during valve operations?
✔✔Open and close valves slowly to prevent sudden pressure changes.
3
ALREADY PASSED
What is the primary step before drafting from a natural water source?
✔✔Inspect the water source for depth, cleanliness, and accessibility.
How can the driver/operator reduce turbulence in portable tanks?
✔✔Use baffles or direct water flow to minimize movement.
What should be done immediately after completing a water shuttle operation?
✔✔Inspect all equipment, flush the pump, and check for any damage.
How is cavitation detected during pump operations?
✔✔By hearing unusual noises or observing fluctuating pressure readings.
What is the function of a check valve in the pump system?
✔✔To prevent backflow and maintain water flow direction.
1
,How should a drafting operation be initiated in shallow water?
✔✔Use a floating strainer or elevate the hose intake above the bottom.
What should the driver/operator verify when connecting the apparatus to a hydrant?
✔✔Ensure the hydrant valve is fully open and water flow is unrestricted.
What maintenance is required for hoses used in drafting operations?
✔✔Inspect for wear, clean thoroughly, and store in a dry area.
How can the operator prevent damage to the pump during drafting?
✔✔Avoid running the pump dry and maintain proper water flow.
What is the purpose of a pressure governor on the pump panel?
✔✔To automatically adjust engine speed to maintain consistent pressure.
How should a portable tank be positioned at the fire scene?
✔✔Close enough to the apparatus to allow easy access without obstruction.
2
, What is the best way to improve efficiency during relay pumping?
✔✔Position apparatus at equal distances and use relay valves if needed.
What is the primary cause of pump overheating?
✔✔Lack of water flow through the pump or excessive engine strain.
How should excess water be drained from hoses after operations?
✔✔Elevate one end and allow gravity to assist in removing the water.
What is the recommended method for filling the tank during operations?
✔✔Use a fill line with controlled flow to prevent overfilling.
What should be checked if the pump fails to reach the desired pressure?
✔✔Inspect for leaks, clogs, or improperly adjusted valves.
How can water hammer be avoided during valve operations?
✔✔Open and close valves slowly to prevent sudden pressure changes.
3
