EFRS Apparatus capacity: Which has a capacity of 4500?

• A. Pump
• B. Ladder
• C. Mule
• D. Tanker

Answer: (D)

When thinking about apparatus capacity, focus on how much water each vehicle can carry on board for an initial attack, especially when hydrants aren’t immediately accessible. In Edmonton Fire Rescue Services, the tanker is designed specifically to haul a large volume of water to the scene, so its on-board capacity is the largest among these options. A tanker’s purpose is to provide a substantial water supply to support operations where water sources are uncertain or distant, which is why a figure around 4500 litres fits it best.

The other vehicles have smaller on-board water capacities by design: a pump (pumper) carries enough water to start the attack and to supply hoses, but not as much as a tanker; a ladder apparatus prioritizes reach and tools, with a comparatively modest tank or sometimes none; and a mule is a light utility vehicle with very limited water storage.