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TCFP Driver/Operator – Mobile Water Supply Exam Questions and Correct Detailed Answers 2025 (Verified Answers)
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A. A fire truck used for rescue B. A vehicle used to transport water to the fireground C. A hose line D. A firefighter role
A. Near the fill site B. At the water source C. Near the fire scene D. At the station
10.What is the primary risk of overfilling a mobile water tank? A. Low water pressure B. Water overflow and vehicle instability C. Air bubbles in the system D. Pump damage
11.NFPA 1901 defines mobile water supply apparatus as having a minimum pump capacity of: A. 500 GPM B. 750 GPM C. 250 GPM D. 1000 GPM
12.Portable water tanks used in shuttle operations are typically made of:
A. Aluminum B. Foldable synthetic fabric with metal frames C. PVC pipes D. Glass
13.Which of the following is critical for safe driving of a water tender? A. Engine power B. Color of the vehicle C. Vehicle weight and center of gravity D. Hose length
14.What is the most efficient water shuttle configuration? A. One tender and one tank B. Continuous loop of multiple tenders between fill and dump sites C. Single hose from hydrant D. Direct fill with buckets
15.Which of the following best improves turnaround time in a shuttle operation? A. Using smaller tenders B. Minimizing fill and dump times
C. Wet standpipe operation D. Pump testing
19.When should a tender be placed out of service? A. At 75% fuel B. With a leak in the tank or brake failure C. Minor paint damage D. After each call
20.What is the best way to communicate between dump and fill site personnel? A. Shouting B. Signal flags C. Radios D. Cellphones
21.What is the function of a pump-and-roll feature?
A. Quick braking B. Allow water pumping while vehicle is moving C. Shut off water D. Regulate steering
22.What is a "nurse tender"? A. Tender used in EMS B. A tender directly supplying water to the attack engine C. Tender that holds medical supplies D. A standby tender
23.The NFPA recommends a tender driver complete how many hours of training? A. 8 B. 24 C. 16 D. 32
24.Which of the following contributes to "sloshing"? A. Overfilled tires B. Inadequate baffles in the tank
28.What piece of equipment ensures water flows out quickly during gravity dumping? A. Priming valve B. Booster pump C. Large diameter dump valve D. Backflow preventer
29.What is the main concern when driving a fully loaded tender downhill? A. Fuel economy B. Braking distance and control C. Tire size D. Paint temperature
30.A siphon with insufficient head pressure will: A. Overflow B. Fail to move water C. Suck air D. Damage the tank
31.Which is the best indicator of a successful shuttle operation? A. Amount of hose used B. Number of tenders used C. Gallons per minute delivered to the fire D. Engine RPM
32.A vacuum-type tender uses vacuum pressure to: A. Create foam B. Fill and unload water C. Remove debris D. Prime the engine
33.Tanker rollover is most likely to occur during: A. Parking B. Straight-line driving C. Sharp turns at speed with full water load D. Hose deployment
34.How should a portable tank be positioned on the fireground?
C. Fill sleeve D. Ventilation fan
38.To reduce tanker shuttle bottlenecks, you should: A. Wait between loads B. Use a traffic control system at dump site C. Block the road D. Empty tanks halfway
39.What hose is often used between a nurse tender and the engine? A. Booster line B. Large-diameter hose (LDH) C. Forestry hose D. Hard suction
40.What is a key hazard of using a portable tank near a roadway? A. Excess pressure B. Risk of vehicle collisions C. Overhydration D. Noise pollution
41.What tool connects multiple dump tanks? A. Suction strainer B. Adapter C. Jet siphon D. Butterfly valve
42.Which NFPA standard covers water supply apparatus? A. 1001 B. 1500 C. 1901 D. 1033
43.A tender is best backed using: A. Rear-view mirrors B. A spotter with radio or hand signals C. Automatic sensors only D. Trial and error
C. Only when flat D. After each fire
48.Which of the following reduces friction loss in long shuttle supply lines? A. 1½" hose B. Smoothbore nozzle C. Using larger diameter hose D. Multiple couplings
49.What can assist in maintaining dump site operation during long incidents? A. Close site B. Stop dumping C. Rotate personnel and use lighting D. Reduce staffing
50.The success of water shuttle operations depends on: A. Engine model B. Coordination and pre-planning C. Vehicle paint color D. Operator age
51.What should be done immediately after setting up a portable water tank? A. Start the pump B. Secure the tank edges and stabilize the frame C. Fill it halfway D. Connect a booster line
52.The maximum practical speed for a fully loaded tender responding to an emergency is determined by: A. The color of the vehicle B. The vehicle’s weight, road conditions, and local laws C. The distance to the scene D. The pressure in the tank
53.Which driving maneuver carries the highest risk for water surge-related instability? A. Reversing B. Stopping at a red light C. Taking a sharp curve at speed D. Driving straight on a highway
57.Which operator error can most commonly damage a tender’s dump valve? A. Leaving it open B. Closing it too slowly C. Operating it under pressure with obstructions D. Using water with foam additives
58.What is the best way to avoid collisions when backing a tender at a dump site? A. Rely on backup cameras B. Use a spotter with clear hand signals C. Honk frequently D. Leave warning lights on
59.What does “sequential dumping” refer to in water shuttle ops? A. Releasing water slowly B. Coordinating dump times among multiple tenders C. Dumping at multiple locations D. Using multiple valves
60.If a tender is slow to refill at a hydrant, what is the most likely cause?
A. A bad pump B. Dirty water C. Restricted hydrant or small diameter supply hose D. Low oil
61.What role does the "dump site manager" play in a water shuttle? A. Drives the tender B. Coordinates dump site operations and tender positioning C. Operates the fire pump D. Loads hose
62.In rural areas, what is the most reliable static water source? A. Street hydrants B. Ponds, lakes, or cisterns C. Wells D. Fire extinguishers
63.When drafting from a pond, the strainer must be positioned: A. On the bottom of the pond B. At least 24 inches below the surface and above the bottom