D/O Pumper CDC CCRE Questions &
Answers With Verified Solution
k The lowest acceptable fuel gauge reading on a fire apparatus during inspection is: - at least 3/4-full.
The rescue tool supply system equivalent of a junction box is called: - a manifold
3 conditions where you should drive your fire apparatus in low gear: - 1. Approaching an intersection
2. Travelling around a corner
3. Climbing a hill
Three conditions to wearing your seat belt before an emergency vehicle moves: - 1. Providing patient
care in the back of an ambulance.
2. Performing training for personnel learning to drive the tiller portion of a tractor draw aerial apparatus.
3. Loading the hose back onto the fire apparatus.
if you are driving a fire apparatus that is longer than you are familiar with you must: - Are more caution
when judging clearance so you don't run up on curbs and corners.
NFPA Standard 1002 requires that driver/operators operate a fire apparatus over a predetermined route
on a public roadway that incorporates all of the following EXCEPT : - Both a left and a right curve.
If a 3-inch hose is flowing 150 GPM, and a 2-inch hose is flowing at 150 GPM, which is flowing at the
higher velocity? - The 2-inch is flowing at a higher velocity.
One of the principles of pressure says that the pressure on an amount of water... - ... is always
perpendicular to any of any surface it acts on.
To raise the temperature of one lb. of water from 100F to 212F takes how many BTUs? - 112 BTUs
, What are BTUs? - British Thermal Unit.
One BTU is equal to the amount of energy used to raise the temperature of one pound of water one
degree Fahrenheit. +1 degree Fahrenheit = 1 BTU.
The master stream device that is often called a deck gun is the.. - ...turret pipe device.
BOUNCING water off the INSIDE WALL of the nozzle bore to create a fog pattern is called? - Periphery
deflection
Periphery means side(like a wall is the side of a room)
Deflection means bounce.
A pumper has two 300-foot sections of a 3-inch hose with 2 1/2inch-couplings. They are siamesed into
200 feet of 5-inch attack line.The attack line ends in a master stream with a flow of 350 GPM. Given this
hose layout, determine the total pressure loss for this hose assembly. - 44 PSI
"C" in the formula FL = C Q² L represents what? - Hose Diameter Coefficient.
Determine the TPL for a hose assembly in which 400 feet of 5-inch hose is wyed into a one 200-foot
section of 2 1/2-inch hose and one 300-foot section of 2 1/2 inch hose. Each attack hose is flowing at 200
GPM. - 39 PSI
Most flowmeters in use have a design based on: - a spring probe
(Note) A Municipal storm drain is not a water source - (Note) A Municipal storm drain is not a water
source
Name TWO correct statements about looping mains in a distribution grid. - 1. They create constant flow
and less sediment forms in the pipes.
2. They ensure that water flows from two directions.
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