D/O Pumper CDC CCRE Exam With Complete
Solutions Latest Update
The minimum acceptable reading of a fuel gauge on fire apparatus at the time of
inspection is: - ANSWER at least 3/4-full.
The rescue tool supply system term for what is referred to as a junction box is: -
ANSWER a manifold
3 conditions under which you should drive your fire apparatus in low gear: - ANSWER 1.
Approaching an intersection
2. Travelling around a corner
3. Climbing a hill
Three conditions under which you would not have to wear your seat belt before an
emergency vehicle moves: - ANSWER 1. Treating a patient in the rear of an ambulance .
2. Conducting training for personnel who are practicing driving the tiller portion of a
tractor draw aerial apparatus.
3. Reloading hose onto the fire apparatus.
If you are operating a fire apparatus that is longer than any that you have previously
operated, you must: - ANSWER Be more cautious in judging clearance to avoid running
up on curbs and corners.
NFPA Standard 1002 requires driver/operators drive a fire apparatus along a
predetermined route on a public roadway that includes all of the following EXCEPT : -
ANSWER 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? - ANSWER The 2-inch is flowing at a higher velocity.
, One of the principles of pressure says that the pressure on an amount of water. -
ANSWER. is always perpendicular to any of any surface it acts on.
How many BTUs does it take to raise the temperature of one lb. of water from 100F to
212F? - ANSWER 112 BTUs
What is BTUs? - ANSWER British Thermal Unit.
One BTU equals the energy required 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. - ANSWER .turret pipe
device.
BOUNCING water off the INSIDE WALL of the nozzle bore to create a fog pattern is
called? - ANSWER 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. - ANSWER 44 PSI
"C" in the formula FL = C Q² L represents what? - ANSWER 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. - ANSWER 39 PSI
Most flowmeters in use have a design based on: - ANSWER a spring probe
Solutions Latest Update
The minimum acceptable reading of a fuel gauge on fire apparatus at the time of
inspection is: - ANSWER at least 3/4-full.
The rescue tool supply system term for what is referred to as a junction box is: -
ANSWER a manifold
3 conditions under which you should drive your fire apparatus in low gear: - ANSWER 1.
Approaching an intersection
2. Travelling around a corner
3. Climbing a hill
Three conditions under which you would not have to wear your seat belt before an
emergency vehicle moves: - ANSWER 1. Treating a patient in the rear of an ambulance .
2. Conducting training for personnel who are practicing driving the tiller portion of a
tractor draw aerial apparatus.
3. Reloading hose onto the fire apparatus.
If you are operating a fire apparatus that is longer than any that you have previously
operated, you must: - ANSWER Be more cautious in judging clearance to avoid running
up on curbs and corners.
NFPA Standard 1002 requires driver/operators drive a fire apparatus along a
predetermined route on a public roadway that includes all of the following EXCEPT : -
ANSWER 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? - ANSWER The 2-inch is flowing at a higher velocity.
, One of the principles of pressure says that the pressure on an amount of water. -
ANSWER. is always perpendicular to any of any surface it acts on.
How many BTUs does it take to raise the temperature of one lb. of water from 100F to
212F? - ANSWER 112 BTUs
What is BTUs? - ANSWER British Thermal Unit.
One BTU equals the energy required 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. - ANSWER .turret pipe
device.
BOUNCING water off the INSIDE WALL of the nozzle bore to create a fog pattern is
called? - ANSWER 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. - ANSWER 44 PSI
"C" in the formula FL = C Q² L represents what? - ANSWER 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. - ANSWER 39 PSI
Most flowmeters in use have a design based on: - ANSWER a spring probe
