Fire Sprinkler Nfpa 24 (Tfm10) - Underground Test Exam Review With Correct Questions And Answers 2024
Residual Pressure - Correct Answer-The pressure that exists in the distribution system, measured at the residual hydrant at the time the flow readings are taken at the flow hydrants.
Static Pressure - Correct Answer-The pressure that exists at a given point under normal
distribution system conditions measured at the residual hydrant with no hydrants flowing.
Flow Test - Correct Answer-A test performed by the flow and measurement of water from one hydrant and the static and residual pressures from an adjacent hydrant for the purpose of determining the available water supply at that location.
Flushing Test - Correct Answer-A test of a piping system using high velocity flows to remove debris from the piping system prior to it being placed in service.
Hydrostatic Test - Correct Answer-A test of a closed piping system and its attached appurtenances consisting of subjecting the piping to an increased internal pressure for a
specified duration to verify system integrity and system leakage rates.
Check Valve - Correct Answer-A valve that allows flow in one direction only.
Indicating Valve - Correct Answer-A valve that has components that provide the valve operating condition, open or closed.
Dry Barrel Hydrant (Frostproof Hydrant) - Correct Answer-A type of hydrant with the main control valve below the frost line between the footpiece and the barrel.
Flow Hydrant - Correct Answer-The hydrant that is used for the flow and flow measurement of water during a flow test.
Private Fire Hydrant - Correct Answer-A valved connection on a water supply system having one or more outlets that is used to supply hose and fire department pumpers with water on private property.
Public Hydrant - Correct Answer-A valved connection on a water supply system having one or more outlets that is used to supply hose and fire department pumpers with water.
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