What is the master stream device commonly referred to as a deck gun?

• A. Portable monitor
• B. Elevated master stream
• C. Deluge gun
• D. Handheld nozzle

Answer: (B)

The correct choice identifies the master stream device known as a deck gun, which is typically mounted on fire apparatus or other fixed structures to deliver large volumes of water over a wide area.

A deck gun, as a type of elevated master stream, is designed to facilitate effective fire suppression from a stationary position, often allowing firefighters to fight fires from a secure distance and at a significant height when necessary. This capability makes it an essential tool for combating large fires, particularly in commercial or industrial settings.

Other potential choices, while related to firefighting equipment, do not specifically denote the device known as a deck gun. For example, a portable monitor refers to a movable device that assists firefighters in directing water streams, while a deluge gun, though similar in that it is a master stream device, is generally a specific type used in fixed systems, such as those intended for protective measures in high-hazard areas. A handheld nozzle, while essential in fire operations, is not characterized as a master stream device due to its design and limitations in flow and distance compared to a deck gun.