Which type of hose line has a predetermined length of hose, with a nozzle already attached?

The term that best describes a hose line with a predetermined length and a nozzle already attached is referred to as a preconnect. This setup is a critical component in firefighting operations as it allows for rapid deployment of hose lines during an incident.

Preconnected hose lines are typically stored on fire apparatus in a way that allows firefighters to quickly pull them off and move towards the scene of a fire without needing to assemble them first. This feature greatly enhances the efficiency of response times in emergency situations, as every second counts when dealing with a fire.

The design of a preconnect, including its length and nozzle type, is often standardized to meet specific operational needs, ensuring that firefighters are well-prepared for both structural and non-structural firefighting scenarios. This contrasts with other options that may involve different types of configurations or equipment used in firefighting, such as specialized setups for high-rise operations or hospital transports, which do not inherently include the convenience of a pre-attached nozzle for immediate use.