LOK DAMAGE CONTROL EXAM
QUESTIONS AND ANSWERS GRADED A+
2026
The Navy uses SCBA bottles with a rated duration of ....... or ....... minutes. - ANS 30/45
What size SCBA bottles are used by the investigators? - ANS 30min
Approximately how long will a 15-lb CO2 Extinguisher last under continuous operation? -
ANS 40 seconds
The person that is in charge of clearing routes to provide access to fires is the ....... -
ANS access man
Which phase does a Casualty Power Cable conductor having only one serving or one Braille
marking indicate? - ANS phase A
What is the maximum effective range of a 15 lb CO2 Extinguisher? - ANS 4-6 ft
A disadvantage of using steel shores is ....... - ANS tendancy to produce sparks
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
,How should primary fire boundaries be set? - ANS 6 sides of the affected compartment
What fluid is carried by a piping system having hand wheels colored yellow and black? -
ANS lube oil
What is the shape of the contamination marker? - ANS triangle
Compartment Air Test fittings are normally classified as ....... fittings. - ANS x-ray
What is the primary and secondary colors for a radiological contamination marker? -
ANS white and black
Small ships have fireplugs placed so that any area on the ship can be reached with ....... feet of a
fire hose. - ANS 50
What is the first step in securing the Portable Exothermic Cutting Unit (PECU) in an emergency?
- ANS release the torch oxygen lever
What do the heavy lines on DC Diagrams indicate? - ANS watertight and airtight boundaries
What is the primary function of the X40J circuit? - ANS casualty communication
What size fire hose is used as the discharge hose for a Portable Electrical Submersible Pump? -
ANS 2 1/2 inch X 50 feet
The decontamination teams work from .......then ....... - ANS top to bottom them winward to
leeward
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
, What is the first component in the firemain system; it is located below the waterline? -
ANS seachest
What condition greatly influences biological agent persistence? - ANS enviroment
What is the total length of three standard lengths of fire hose connected together? -
ANS 150ft
What is the mixing ratio for AFFF and water? - ANS 94% water to 6% AFFF
what portable firefighting extinguisher is intended for use on a Class "B" Fire - ANS AFFF
extinguisher
What fittings are open and operating regardless of the material condition of readiness? -
ANS WILLLIAM
The acronym MOPP means ....... - ANS Mission Oriented Protective Posture
SCBA cylinders should be charged to ....... psig. - ANS 4500
What location, within Main Machinery compartments, should dry bulb thermometers be
permanently installed? - ANS At key watch and work stations where the thermometer is not
influenced by adjacent heat or cold sources.
General destruction of the skin and tissue is caused by which chemical agent? - ANS Blister
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 3
QUESTIONS AND ANSWERS GRADED A+
2026
The Navy uses SCBA bottles with a rated duration of ....... or ....... minutes. - ANS 30/45
What size SCBA bottles are used by the investigators? - ANS 30min
Approximately how long will a 15-lb CO2 Extinguisher last under continuous operation? -
ANS 40 seconds
The person that is in charge of clearing routes to provide access to fires is the ....... -
ANS access man
Which phase does a Casualty Power Cable conductor having only one serving or one Braille
marking indicate? - ANS phase A
What is the maximum effective range of a 15 lb CO2 Extinguisher? - ANS 4-6 ft
A disadvantage of using steel shores is ....... - ANS tendancy to produce sparks
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 1
,How should primary fire boundaries be set? - ANS 6 sides of the affected compartment
What fluid is carried by a piping system having hand wheels colored yellow and black? -
ANS lube oil
What is the shape of the contamination marker? - ANS triangle
Compartment Air Test fittings are normally classified as ....... fittings. - ANS x-ray
What is the primary and secondary colors for a radiological contamination marker? -
ANS white and black
Small ships have fireplugs placed so that any area on the ship can be reached with ....... feet of a
fire hose. - ANS 50
What is the first step in securing the Portable Exothermic Cutting Unit (PECU) in an emergency?
- ANS release the torch oxygen lever
What do the heavy lines on DC Diagrams indicate? - ANS watertight and airtight boundaries
What is the primary function of the X40J circuit? - ANS casualty communication
What size fire hose is used as the discharge hose for a Portable Electrical Submersible Pump? -
ANS 2 1/2 inch X 50 feet
The decontamination teams work from .......then ....... - ANS top to bottom them winward to
leeward
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 2
, What is the first component in the firemain system; it is located below the waterline? -
ANS seachest
What condition greatly influences biological agent persistence? - ANS enviroment
What is the total length of three standard lengths of fire hose connected together? -
ANS 150ft
What is the mixing ratio for AFFF and water? - ANS 94% water to 6% AFFF
what portable firefighting extinguisher is intended for use on a Class "B" Fire - ANS AFFF
extinguisher
What fittings are open and operating regardless of the material condition of readiness? -
ANS WILLLIAM
The acronym MOPP means ....... - ANS Mission Oriented Protective Posture
SCBA cylinders should be charged to ....... psig. - ANS 4500
What location, within Main Machinery compartments, should dry bulb thermometers be
permanently installed? - ANS At key watch and work stations where the thermometer is not
influenced by adjacent heat or cold sources.
General destruction of the skin and tissue is caused by which chemical agent? - ANS Blister
@COPYRIGHT 2026/2027 ALLRIGHTS RESERVED 3
