LOK DAMAGE CONTROL QUESTIONS AND ANSWERS | WINTER 2026 | WITH
COMPLETE SOLUTION.
The Navy uses SCBA bottles with a rated duration of ....... or ....... minutes. - (ANSWER)30/45
What size SCBA bottles are used by the investigators? - (ANSWER)30min
Approximately how long will a 15-lb CO2 Extinguisher last under continuous operation? - (ANSWER)40
seconds
The person that is in charge of clearing routes to provide access to fires is the ....... - (ANSWER)access
man
Which phase does a Casualty Power Cable conductor having only one serving or one Braille marking
indicate? - (ANSWER)phase A
What is the maximum effective range of a 15 lb CO2 Extinguisher? - (ANSWER)4-6 ft
A disadvantage of using steel shores is ....... - (ANSWER)tendancy to produce sparks
How should primary fire boundaries be set? - (ANSWER)6 sides of the affected compartment
What fluid is carried by a piping system having hand wheels colored yellow and black? - (ANSWER)lube
oil
What is the shape of the contamination marker? - (ANSWER)triangle
Compartment Air Test fittings are normally classified as ....... fittings. - (ANSWER)x-ray
What is the primary and secondary colors for a radiological contamination marker? - (ANSWER)white
and black
,LOK DAMAGE CONTROL QUESTIONS AND ANSWERS | WINTER 2026 | WITH
COMPLETE SOLUTION.
Small ships have fireplugs placed so that any area on the ship can be reached with ....... feet of a fire
hose. - (ANSWER)50
What is the first step in securing the Portable Exothermic Cutting Unit (PECU) in an emergency? -
(ANSWER)release the torch oxygen lever
What do the heavy lines on DC Diagrams indicate? - (ANSWER)watertight and airtight boundaries
What is the primary function of the X40J circuit? - (ANSWER)casualty communication
What size fire hose is used as the discharge hose for a Portable Electrical Submersible Pump? -
(ANSWER)2 1/2 inch X 50 feet
The decontamination teams work from .......then ....... - (ANSWER)top to bottom them winward to
leeward
What is the first component in the firemain system; it is located below the waterline? -
(ANSWER)seachest
What condition greatly influences biological agent persistence? - (ANSWER)enviroment
What is the total length of three standard lengths of fire hose connected together? - (ANSWER)150ft
What is the mixing ratio for AFFF and water? - (ANSWER)94% water to 6% AFFF
what portable firefighting extinguisher is intended for use on a Class "B" Fire - (ANSWER)AFFF
extinguisher
What fittings are open and operating regardless of the material condition of readiness? -
(ANSWER)WILLLIAM
, LOK DAMAGE CONTROL QUESTIONS AND ANSWERS | WINTER 2026 | WITH
COMPLETE SOLUTION.
The acronym MOPP means ....... - (ANSWER)Mission Oriented Protective Posture
SCBA cylinders should be charged to ....... psig. - (ANSWER)4500
What location, within Main Machinery compartments, should dry bulb thermometers be permanently
installed? - (ANSWER)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? - (ANSWER)Blister
Which RADIAC device has a back-up power supply of 4 Ni-Cad batteries? - (ANSWER)AN/PDR-65
What is the proper sequence of activating an installed Eductor - (ANSWER)Discharge, Firemain, Suction.
What are three colors M-8 paper can display? - (ANSWER)Yellow, Green, Red.
Investigators must be familiar with all of the following systems EXCEPT ....... - (ANSWER)oily water waste
systems
What are two types of portable Eductors? - (ANSWER)PERI JET and S-TYPE
When operating the portable hydraulic access rescue system (PHARS), you should hold the blades at
what angle against the material being cut? - (ANSWER)Perpendicular
Where can you find a list of frame numbers which divide the major fire zones? - (ANSWER)Damage
Control Drawings
What is the recommended length for Shoring Wedges? - (ANSWER)6 times the minimum butt thickness
COMPLETE SOLUTION.
The Navy uses SCBA bottles with a rated duration of ....... or ....... minutes. - (ANSWER)30/45
What size SCBA bottles are used by the investigators? - (ANSWER)30min
Approximately how long will a 15-lb CO2 Extinguisher last under continuous operation? - (ANSWER)40
seconds
The person that is in charge of clearing routes to provide access to fires is the ....... - (ANSWER)access
man
Which phase does a Casualty Power Cable conductor having only one serving or one Braille marking
indicate? - (ANSWER)phase A
What is the maximum effective range of a 15 lb CO2 Extinguisher? - (ANSWER)4-6 ft
A disadvantage of using steel shores is ....... - (ANSWER)tendancy to produce sparks
How should primary fire boundaries be set? - (ANSWER)6 sides of the affected compartment
What fluid is carried by a piping system having hand wheels colored yellow and black? - (ANSWER)lube
oil
What is the shape of the contamination marker? - (ANSWER)triangle
Compartment Air Test fittings are normally classified as ....... fittings. - (ANSWER)x-ray
What is the primary and secondary colors for a radiological contamination marker? - (ANSWER)white
and black
,LOK DAMAGE CONTROL QUESTIONS AND ANSWERS | WINTER 2026 | WITH
COMPLETE SOLUTION.
Small ships have fireplugs placed so that any area on the ship can be reached with ....... feet of a fire
hose. - (ANSWER)50
What is the first step in securing the Portable Exothermic Cutting Unit (PECU) in an emergency? -
(ANSWER)release the torch oxygen lever
What do the heavy lines on DC Diagrams indicate? - (ANSWER)watertight and airtight boundaries
What is the primary function of the X40J circuit? - (ANSWER)casualty communication
What size fire hose is used as the discharge hose for a Portable Electrical Submersible Pump? -
(ANSWER)2 1/2 inch X 50 feet
The decontamination teams work from .......then ....... - (ANSWER)top to bottom them winward to
leeward
What is the first component in the firemain system; it is located below the waterline? -
(ANSWER)seachest
What condition greatly influences biological agent persistence? - (ANSWER)enviroment
What is the total length of three standard lengths of fire hose connected together? - (ANSWER)150ft
What is the mixing ratio for AFFF and water? - (ANSWER)94% water to 6% AFFF
what portable firefighting extinguisher is intended for use on a Class "B" Fire - (ANSWER)AFFF
extinguisher
What fittings are open and operating regardless of the material condition of readiness? -
(ANSWER)WILLLIAM
, LOK DAMAGE CONTROL QUESTIONS AND ANSWERS | WINTER 2026 | WITH
COMPLETE SOLUTION.
The acronym MOPP means ....... - (ANSWER)Mission Oriented Protective Posture
SCBA cylinders should be charged to ....... psig. - (ANSWER)4500
What location, within Main Machinery compartments, should dry bulb thermometers be permanently
installed? - (ANSWER)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? - (ANSWER)Blister
Which RADIAC device has a back-up power supply of 4 Ni-Cad batteries? - (ANSWER)AN/PDR-65
What is the proper sequence of activating an installed Eductor - (ANSWER)Discharge, Firemain, Suction.
What are three colors M-8 paper can display? - (ANSWER)Yellow, Green, Red.
Investigators must be familiar with all of the following systems EXCEPT ....... - (ANSWER)oily water waste
systems
What are two types of portable Eductors? - (ANSWER)PERI JET and S-TYPE
When operating the portable hydraulic access rescue system (PHARS), you should hold the blades at
what angle against the material being cut? - (ANSWER)Perpendicular
Where can you find a list of frame numbers which divide the major fire zones? - (ANSWER)Damage
Control Drawings
What is the recommended length for Shoring Wedges? - (ANSWER)6 times the minimum butt thickness
