After connecting the supply line to the hydrant, you should

After connecting the supply line to the hydrant, you should

• A. Partially open.
• B. Monitor the pressure of.
• C. Fully open.
• D. Never open.

Answer: (C)

Opening the hydrant fully is essential to deliver the maximum water flow the attack line needs. A partially opened hydrant acts like a kink in the supply, reducing flow and dropping the pressure at the nozzle, which can prevent you from maintaining the needed nozzle pressure to effectively fight the fire. Never opening it would cut off water entirely, and simply watching pressure without providing adequate flow won’t meet the firefighting needs. After the connection is made, open the hydrant completely to ensure a solid, steady supply, then monitor and adjust the pump discharge to keep the nozzle at the correct pressure.

Opening the hydrant fully is essential to deliver the maximum water flow the attack line needs. A partially opened hydrant acts like a kink in the supply, reducing flow and dropping the pressure at the nozzle, which can prevent you from maintaining the needed nozzle pressure to effectively fight the fire. Never opening it would cut off water entirely, and simply watching pressure without providing adequate flow won’t meet the firefighting needs. After the connection is made, open the hydrant completely to ensure a solid, steady supply, then monitor and adjust the pump discharge to keep the nozzle at the correct pressure.