Final answer:
The minimum manning of personnel for a 1 1/2 inch fire hose typically requires at least two people to operate it effectively.
Step-by-step explanation:
The minimum manning of personnel for a 1 1/2 inch fire hose depends on the specific regulations and requirements of the fire department or organization. Typically, a fire hose of this size would require at least two personnel to effectively operate it. One person would be responsible for controlling the water flow and nozzle, while the other person would assist in handling and maneuvering the hose.
However, it's important to note that the exact minimum manning requirements may vary depending on factors such as the specific fire department's policies, the type of fire being extinguished, and the specific circumstances of the situation.
For accurate information regarding the minimum manning of personnel for a 1 1/2 inch fire hose, it is recommended to consult the guidelines and regulations set by the relevant fire department or organization.