Fire Apparatus Driver-Operator 3rd Ed Exam 2026/27

Fire Apparatus Driver-Operator 3rd Ed
Exam 2026/27
How often should a hydrant be checked? <CORRECT ANSWER>Annual
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




What is the first item checked on a hydrant? <CORRECT ANSWER>Visual appearance
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




and condition
vvvv vvvv




Firemen should be confident the water supply is reliable and... <CORRECT
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




ANSWER>Adequate
vvvv




On any scene you obtain water from pressurized and... <CORRECT ANSWER>Static water
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




sources
vvvv




What are the Class/Color codes of hydrants? <CORRECT ANSWER>Class C Less than 500
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




gpm Red
vvvv vvvv




Class B 500 - 999 gpm Orange
vvvv vvvv vvvv vvvv vvvv vvvv




Class A 1000 - 1499 gpm Green
vvvv vvvv vvvv vvvv vvvv vvvv




Class AA 1500 gpm + Blue
vvvv vvvv vvvv vvvv vvvv




The amount of particulate matter suspended in water is know as? <CORRECT
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




ANSWER>Turbidity
vvvv




Is water is a good conductor of electricity? <CORRECT ANSWER>False
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




Three parts of a Municipal Water System... <CORRECT ANSWER>Water source,
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




Treatment Plant, Distribution System
vvvv vvvv vvvv vvvv




The largest size of underground water mains? <CORRECT ANSWER>Primary feeder
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv

,Fire Apparatus Driver-Operator 3rd Ed
Exam 2026/27

Do shut-off valves stop the flow water at hydrants and customers? <CORRECT
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




ANSWER>True
vvvv




Water flow moving through a pipe, hose, or nozzle is measured in... <CORRECT
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




ANSWER>Gallons Per Minute
vvvv vvvv vvvv




What 3 Properties does water exist in... <CORRECT ANSWER>Liquid
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




Solid

Gas



Principal 2 of Fluid states "Pressure in a fluid... <CORRECT ANSWER>Acts equally in all
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




directions."
vvvv




Does moving water have Potential and Kinetic energy? <CORRECT ANSWER>True
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




Principal 4 of Fluid states "Pressure of a liquid in an open vessel... <CORRECT
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




ANSWER>Is proportional to the depth of the liquid."
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




The second step in operating a dry-barrel hydrant? <CORRECT ANSWER>Check for any
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




debris
vvvv




Principal 6 of Fluid states "Liquid pressure on the bottom of a container... <CORRECT
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




ANSWER>Is unaffected by the size and shape of the container."
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv

, Fire Apparatus Driver-Operator 3rd Ed
Exam 2026/27
After operating a hydrant, the wrench should be... <CORRECT ANSWER>As described in
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




your Dept.'s SOP
vvvv vvvv vvvv




If you feel/hear suction on a hydrant, the hydrant is... <CORRECT ANSWER>Draining
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




A Pitot gauge measures from the _____ of the flow <CORRECT ANSWER>Center
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




Hydrants should be spaced? <CORRECT ANSWER>According to local standards.
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




Typically 300' commercial, 500' residential
vvvv vvvv vvvv vvvv




Fire hydrants should be positioned so that the connections... <CORRECT ANSWER>Face
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




where the engine will be placed
vvvv vvvv vvvv vvvv vvvv vvvv




In order to correctly test the flow rate of a hydrant... <CORRECT ANSWER>You need
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




two adjacent hydrants
vvvv vvvv vvvv




A Pitot gauge measures... <CORRECT ANSWER>Flow in psi.
vvvv vvvv vvvv vvvv vvvv vvvv vvvv




A pipe with a strainer on one end and a connection for a hard suction on another is
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




known as... <CORRECT ANSWER>A dry hydrant
vvvv vvvv vvvv vvvv vvvv vvvv




Flow testing should be done at what time? <CORRECT ANSWER>During peak water flow
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




times
vvvv




Range of pressure in a hydrant <CORRECT ANSWER>20 - 80 psi
vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv vvvv




usually 20 psi vvvv vvvv