307 Advanced DC Question and Answer [2026]
| UPDATED ACTUAL Exam | Complete Exam Prep
• 20-foot suction lift/100 GPM at 83 PSI -✓✓ What is the P-100 rated capacity?
• A Commercial Diesel engine driven centrifugal portable pump used for firefighting and
dewartering functions on the ship. -✓✓ What is the p-100?
• Either JP-5 or F-76 fuel( JP-5 mainly because of units entire operating temperature
range) -✓✓ What fuel can the p-100 use?
• Carbon Monoxide is an associated gas with this pump which is harmful to the user. -
✓✓ Why must P-100 be operated in a well-ventilated area?
• An eductor -✓✓ What can be actuated with a P-100 that provides a ready means of
pumping liquids which cannot be moved directly with this pump? (Fuel oil, gasoline or
mixture of oil and water)
• From any available supply -✓✓ Where does the p-100 get the water to actuate the
eductor?
• Utilizing eductors as pumps, with the eductor actuated by the output of the P-100
pump -✓✓ (For dewatering operations involving very low static heads where the
difference in level between the liquid surface of the compartment to be dewatered and
the point of discharge is 55 feet or less what other method is more efficient?
• The p-100 pump takes suction in the usual way from the flooded compartment, raising
the water overboard through the 2 1/2 fire hose; the hose is led to an eductor located in
the in the flooded compartment. -✓✓ How does a combination of a p-100 and eductor
work when it comes to unflooding a compartment?
• Electrical submersible pump -✓✓ What does ESP stand for?
• 440 volts of power -✓✓ What powers an ESP?
• Dewatering Spaces -✓✓ What is the ESP used for?
• Flammable Liquids/ Combustible Liquids -✓✓ What should not be pumped through an
ESP?
• 20 feet suction lift -✓✓ What's the maximum suction lift for an ESP?
, • 180 gallons per minute with a 50 ft discharge head -✓✓ What's the rated capacity of a
ESP?
• 2 (1/2) Inch suction and a 2 (1/2) Inch discharge -✓✓ What's the suction and discharge
of a ESP?
• Star strainer -✓✓ What prevents debris from entering a ESP?
• It has a foot valve, used in conjunction with a suction hose. -✓✓ What is something
useful about a ESP?
• 1 (1/2) inch suction and a 2 (1/2) inch discharge -✓✓ What is the suction and
discharge of a S-type Eductor?
• Has a foot valve and strainer -✓✓ What is unique about an S-type inductor?
• By a fireman or p-100 pump -✓✓ How is a S-type inductor activated?
• 7% -✓✓ How much more effective is a Peri-Jet inductor compared to a S-type
inductor?
• 2 -✓✓ How many sizes does a Peri-jet inductor come in?
• The space can become flooded -✓✓ What happens if the Peri-jet inductor loses its
Venturi effect?
• It has no foot valve or strainer(passes small debris) -✓✓ What is the Peri-jet eductor
not equipped with compared to the ESP and S-type inductor?
• 6 -✓✓ How many small jets in the Peri-Jet eductor create the Venturi effect for
suction?
• 2 (1/2) inch suction and 4 inch discharge -✓✓ What is the suction and discharge of a
Peri-jet inductor?
• Peri-jet inductor -✓✓ What eductor can be equipped with a foot valve?
• Uncontrollable flooding spreading from compartment to compartment. -✓✓ What is
progressive flooding?
• To restrict, or entirely stop the flow of water entering the hull. -✓✓ What is the primary
method to help stop progressive flooding?
| UPDATED ACTUAL Exam | Complete Exam Prep
• 20-foot suction lift/100 GPM at 83 PSI -✓✓ What is the P-100 rated capacity?
• A Commercial Diesel engine driven centrifugal portable pump used for firefighting and
dewartering functions on the ship. -✓✓ What is the p-100?
• Either JP-5 or F-76 fuel( JP-5 mainly because of units entire operating temperature
range) -✓✓ What fuel can the p-100 use?
• Carbon Monoxide is an associated gas with this pump which is harmful to the user. -
✓✓ Why must P-100 be operated in a well-ventilated area?
• An eductor -✓✓ What can be actuated with a P-100 that provides a ready means of
pumping liquids which cannot be moved directly with this pump? (Fuel oil, gasoline or
mixture of oil and water)
• From any available supply -✓✓ Where does the p-100 get the water to actuate the
eductor?
• Utilizing eductors as pumps, with the eductor actuated by the output of the P-100
pump -✓✓ (For dewatering operations involving very low static heads where the
difference in level between the liquid surface of the compartment to be dewatered and
the point of discharge is 55 feet or less what other method is more efficient?
• The p-100 pump takes suction in the usual way from the flooded compartment, raising
the water overboard through the 2 1/2 fire hose; the hose is led to an eductor located in
the in the flooded compartment. -✓✓ How does a combination of a p-100 and eductor
work when it comes to unflooding a compartment?
• Electrical submersible pump -✓✓ What does ESP stand for?
• 440 volts of power -✓✓ What powers an ESP?
• Dewatering Spaces -✓✓ What is the ESP used for?
• Flammable Liquids/ Combustible Liquids -✓✓ What should not be pumped through an
ESP?
• 20 feet suction lift -✓✓ What's the maximum suction lift for an ESP?
, • 180 gallons per minute with a 50 ft discharge head -✓✓ What's the rated capacity of a
ESP?
• 2 (1/2) Inch suction and a 2 (1/2) Inch discharge -✓✓ What's the suction and discharge
of a ESP?
• Star strainer -✓✓ What prevents debris from entering a ESP?
• It has a foot valve, used in conjunction with a suction hose. -✓✓ What is something
useful about a ESP?
• 1 (1/2) inch suction and a 2 (1/2) inch discharge -✓✓ What is the suction and
discharge of a S-type Eductor?
• Has a foot valve and strainer -✓✓ What is unique about an S-type inductor?
• By a fireman or p-100 pump -✓✓ How is a S-type inductor activated?
• 7% -✓✓ How much more effective is a Peri-Jet inductor compared to a S-type
inductor?
• 2 -✓✓ How many sizes does a Peri-jet inductor come in?
• The space can become flooded -✓✓ What happens if the Peri-jet inductor loses its
Venturi effect?
• It has no foot valve or strainer(passes small debris) -✓✓ What is the Peri-jet eductor
not equipped with compared to the ESP and S-type inductor?
• 6 -✓✓ How many small jets in the Peri-Jet eductor create the Venturi effect for
suction?
• 2 (1/2) inch suction and 4 inch discharge -✓✓ What is the suction and discharge of a
Peri-jet inductor?
• Peri-jet inductor -✓✓ What eductor can be equipped with a foot valve?
• Uncontrollable flooding spreading from compartment to compartment. -✓✓ What is
progressive flooding?
• To restrict, or entirely stop the flow of water entering the hull. -✓✓ What is the primary
method to help stop progressive flooding?
