Damage Controlman (DC) A School Test 3 Practice

These questions are part of the practice quiz. Start practicing

• Which statement accurately describes the smoke control zone during firefighting?
• Which adjustment loosens pressure and enables the door to close faster?
• Where should the square butt joint be when reinstalling the silicone gasket?
• What removes smoke and heat from the smoke control zone between the inner smoke boundary and outer smoke boundary prior to extinguishing the fire, to aid firefighting efforts and reduce smoke spread in the ship?
• What is an indication of secondary damage?
• What are the components of the JSLIST?
• When you find a ruptured pipe, what action should you take?
• In contaminated areas, wear life of JSLIST?
• Which area serves as the location for removal and collection of battle dress items before reentry to the ship?
• During the attack, how often is the chemical survey performed per foot below the waterline?
• What percentage of solution is used in the boot wash?
• What do you do during an indirect attack?
• Which action is recommended when a toxic gas unique to Class Bravo fires is encountered?
• Which survey is performed ASAP after a liquid-agent attack to determine contamination at topside stations?
• During a secondary investigation, what should be done?
• During an indirect attack, which action should be performed?
• At a flooding scene, a spring door is leaking water. What action should you take to secure the flooding?
• During chalk testing of the gasket hatch, if the line is not continuous, what is wrong?
• For a ruptured potable water pipe, which patch cannot be used?
• What are the three visual indications of flooding?
• What is the disadvantage of using a wide-angle pattern on a fixed firefighting system?
• In response to a flood scene involving a spring door, which action should you take?
• If you see rollover occurring, what actions do you take?
• What action do you take prior to pipe patching?
• Radiological hazard sign is indicated by which color and lettering?
• Which of the following is not listed as a flood condition in the material?
• You are fighting a Class Alpha fire in the berthing and see a fire but cannot enter the space. What type of method do you use to fight the fire?
• Which instrument has a measurement range from background to 1000 R/h?
• A Class Bravo Fire has been reported. What extinguishing agents are preferred?
• EWARP patch material cannot be used on ruptured pipes in which system?
• What unit of measurement is used on scales that measure low levels of radiation?
• What does the acronym MOPP stand for?
• Hydrocarbons are typical of which fire class?
• Unit of measurement commonly used on high range RADIAC scales?
• What term describes preventing the fire from progressing by isolating the source?
• What is preferred to fighting fires on ship?
• Which agent is used for Bravo-class fires, according to standard suppression methods?
• A rapid external survey after an attack with a liquid agent is intended to determine contamination at vital topside stations. What area is assessed?
• What is the disadvantage of shooting a solid stream at a fire?
• What is a disadvantage of using narrow angle fog while fighting fire?
• What is the outer glove protection made of for the JSLIST glove set?
• JSLIST has a wear life of
• What unique toxic gas test must be conducted for Class Bravo fires?
• What percent solution of calcium hypochlorite and detergent in sea water is used?
• Radioactive material that is taken inside the body where it remains a hazard until it either decays or is eliminated by normal body function is known as?
• Which equipment is used to dewater when firemain service is unavailable?
• Which fire attack method is used when entry into the burning area cannot safely be made, but you still must apply extinguishing agents?
• How many minutes will HHA provide presumptive identification of a BW agent?
• A radiation exposure dose delivered within a single 24 hour period or less is known as?
• If the hinge washers are damaged, what should be done?
• Why should you open a watertight scuttle from the side?
• A rapid internal survey is conducted after a suspected chemical agent in which form?
• In an indicator that turns red under stress, what color is observed?
• What does RADIAC stand for?
• What do you use to remove paint or debris from the silicone gasket?
• Which item is not in an investigator kit?
• What makes up the JSLIST chemical protective glove set?
• What distance should you stand back when applying water fog on energized equipment?
• Periodic monitoring is used to detect the arrival of chemical agents in what form?
• At what MOPP level is M8/M9 paper posted?
• Gross external survey is conducted as time permits to locate and mark the boundaries of contaminated areas.
• What must be taken into consideration when using portable eductors for dewatering?
• If you open an air test fitting and air is escaping, what is that an indication of?
• After completing your route of investigation, what is the next step?
• What are the principles of investigation?
• Which survey is intended to identify and mark the boundaries of contaminated areas when time permits?
• In an engine room Class Bravo fire using HFP, what specific gas might be produced?
• During the chalk test, if the door is not centered from top to bottom, what is the likely cause?
• What toxic gas test must be performed if Halon/ Heptafluoropropane has been discharged into the compartment?
• Which patch can only be applied to a pipe that is fully isolated?
• Which side should you start with when operating a watertight door?
• Which fire attack method is designed to distribute water or agent to create a stream from a distance?
• When conducting a direct attack on a fire, the three types are?
• What would your initial action be if you found a ruptured pipe?
• What concentration of HTH is used for detconamination of the outside skin of the skip?
• Which action is used to combat a Delta-fire?
• What do you use to remove paint, debris or material from the knife edge?
• What percent solution of HTH if it is in short supply?
• Oxygen must be between what percent?
• Which event is a primary cause of underwater battle damage?
• You are investigating a ship hit by a torpedo and air is being sucked in, what is happening?
• Which unit is commonly displayed on high-range RADIAC scales to express exposure?
• What is the equation for inward pressure?
• What is the primary fire extinguishing agent for Class Charlie fires?
• Which of the following is NOT a visual indication of flooding?
• If a permanent groove in the silicone gasket greater than 1/8 inch is found, what is indicated?
• When planning an attack on shipboard fire, which factors must be considered?
• What is the correct decontamination station staffing configuration as described?
• If the permissible exposure limit (PEL) is above 10%, what must you do?
• How often is the chalk test performed?
• If you notice a small tear in one of the JSLIST components, what do you do?
• Which device provides presumptive identification of biological warfare agents within minutes?
• Which term describes securing or isolating the root of the problem?
• M9 deployment is associated with which MOPP level?
• What is the max time for FFE due to heat stress?
• RADIAC stands for which four words?
• Periodic monitoring is used for detecting the arrival of chemical agents in which form?
• What type of radiological survey is conducted to get accurate intensities and extent of contamination for specific area or the entire ship?
• What are the two basic methods for controlling flooding?
• In a Class Bravo fire scenario with HFP equipment, what is the specific toxic gas mentioned?
• What is the minimum and maximum time a door can close?
• What is the color of the M9 test when a chemical agent is present?
• What is the correct term for a pipe rupture where the pipe has completely separated?
• Which items are the four components of the JSLIST?
• An increased list can be caused by the weight of water in a flooded compartment. What is the resulting condition?
• A rupture on a straight pipe with no protruding edges is called what?
• Which type of radiation is the most dangerous due to penetrating power?
• Which factor should be considered when using portable eductors for dewatering?
• Which action should you take after discovering a ruptured pipe to control damage?
• What does MULOs stand for in the JSLIST components?
• How many days is the filter on the M50 mask good for in an uncontaminated area?
• What term describes the sinking of the ship from an even keel to a near-even keel?
• What is the best immediate action when you identify a ruptured pipe?
• In uncontaminated area, wear time for JSLIST is?
• What is the most dangerous type of chemical agent?
• What does the M9 detector indicate?
• Which patch option is used when a pipe is fully isolated?
• Which phrase best describes the principles of investigation?
• Emergency water activated repair patch (EWARP) comes in what sizes?
• What is the acronym for the standard ship oxidizer used for chemical decontamination?
• During chalk testing, if you notice the gasket line is not continuous and there is a break at the corner, what should you do?
• What is the permissible exposure limit for carbon monoxide (CO)?
• The smoke control zone boundaries are defined by which boundaries?
• If air is drawn into the hull after a torpedo strike, what hazard is most likely present?
• Which approach involves attacking through the compartment opening when you have access to the space but cannot reach the seat of the fire directly?
• Combustible gases concentration must be less than what percent?
• Which of the following is NOT a factor to consider when planning a shipboard fire attack?
• What is the term for the loss of transverse stability that can lead to capsizing?
• What do blood agents look like on the skin?
• Which action should be taken first when you locate a ruptured pipe?
• Which monitoring action is performed in select spaces during a chemical attack to assess internal vapor hazards?
• For a low-velocity fog attack, what is the recommended stand-off distance and spray angle?
• In cleaning contaminations on a ship, what is the recommended order?
• Which agent is used to fight Charlie-class fires?
• Which fitting is designed to resist direct impact of projectiles?
• To dewater a compartment, which option is used?
• What is the primary purpose of dewatering a flooded area?
• What are the two types of investigating?
• If the direct fire area cannot be entered, which attack should responders use?
• A radiation exposure dose delivered within a period greater than 24 hours duration is known as?
• Active desmoking is used to achieve which objective?
• What is the permissible exposure limit for hydrogen chloride (HCL)?
• Which phrase correctly describes the units Roentgen and milliRoentgen in relation to radiation measurement?
• You are investigating a watertight door, how do you open it?
• What kind of flooding occurs when a compartment floods from the deck to overhead?
• M8 paper detects which form of chemical agent?
• Which item is NOT part of the JSLIST components?
• Fire and rollover fires on overhead, what nozzle technique is used?
• A ruptured pipe with no protruding edges is described as which type?
• What is the main disadvantage of a narrow-angle spray pattern?
• What ray travels 2-3 inches in the air and has low penetrating capabilities?
• In a flood response at a door, which action is recommended?
• You notice the joiner door takes 12 seconds to fully close. What action do you take?
• Which statement describes the two types of investigation?
• When inspecting the quick acting lever, what should you do if you find discrepancies?
• What advantage does the M8 detector have over the M9 detector?
• Which unit is used on high-range RADIAC scales to indicate exposure?
• Which sequence of actions is recommended when a ruptured pipe is found?
• What angle on the vari nozzle is preferred for an indirect attack to allow for quick re-entry?
• EWARP is an acronym that stands for which of the following phrases?
• Which attack method uses fog to distribute water and generate a broad spray from a safer location?
• What is the shelf life for the jacket and trousers in a sealed bag?
• The chalk test line on gasket hatch should be continuous; a non-continuous line indicates which condition?
• Reported compartment flooding due to damaged firemain down, what can't you use?
• During which MOPP level do you use M9?
• What is a clear indication of secondary damage in a connected system?
• When a quick acting lever shows discrepancies during inspection, what is the correct action?
• Biological hazard sign is indicated by which color and lettering?
• What kind of pipe rupture occurs when the pipe has completely separated?
• What kind of attack uses steam to fight a fire?
• What solution of HTH is used to clean the gas mask lens?
• If you are fighting a Class Alpha fire and cannot employ direct attack, what angle do you use?
• Who has the authority to determine when flooding operations should stop?
• If you open an air test fitting and air is being sucked in, what is that an indication of?
• Which description best identifies an internal hazard?
• What ray has the highest penetration capability?
• Sinkage of the ship on an even or near even keel is called what?
• Which statement about the decontamination station personnel is correct?
• A ruptured pipe with protruding edges is described as which type?
• Which action is appropriate when a Class Bravo toxic gas release is detected?
• If direct attack is not possible on a Class Alpha fire, what method is used to apply extinguishing efforts?
• Which item is used to wipe chalk residue off the knife edge after testing?
• Which equation expresses static head pressure per foot below the water surface?
• Unit of measurement used on scales that measure low levels of radiation?
• Which role is responsible for directing personnel through the Decontamination Station?
• Which oxygen range is correct for safety operations?
• Who decides to halt flood operations during a fire suppression effort?
• Most effective tactic for combating Class D fire?
• Before attempting to secure a pipe, what calculation should you perform?
• What are two types of investigation?
• How many components make up the JSLIST?
• How should individually dogged doors be opened?
• For Class Charlie fires, which extinguishing approach is described as the primary method in the material?
• What is the equation for static head pressure?
• Which investigation type follows the initial one?
• Which fire suppression system is used to fight alpha fires?
• A ruptured pipe with protruding edges is described as what?
• What are the two general methods of repairing a hole?
• Compared to M9, what is true about M8?
• Which agent is used to fight Bravo-class fires?
• Low-velocity water can be used from how many feet away from energized electrical equipment?
• What is the primary cause of underwater battle damage?
• The H designation on hazard classifications refers to which type of agent?
• Wear life of JSLIST jacket and trousers?
• Which concentration is used for decontamination using calcium hypochlorite and detergent in sea water?
• What color does the M8 indicator turn when blister agents are present?
• Which statement best describes the IM-270/PD dosimeter's range feature?
• The Roentgen (R) unit is used to measure which type of exposure?
• In uncontaminated area, wear life of JSLIST?
• What is used for a class Charlie fire?
• In the described material, which fire class is noted to be addressed with fog attack as the primary extinguishing approach?
• In a system monitoring a critical condition, the indicator color changes to which color?
• Which action should you take to loosen pressure and close the door faster?
• If a compartment is intact and not completely flooded, this condition is called?
• Which two terms describe the two types of investigation?
• During a preliminary investigation of suspected damage, what is the required action?
• What agent makes the M8 detector turn red?
• What is the lowest range that will show on the IM-270/PD dosimeter?
• Which action should you take before patching to prevent further leakage?
• Before patching a ruptured pipe, the section should be isolated. True or false?
• Any dose less than 10 rads will be displayed as
• What is the standard ship oxidizer used in chemical decontamination?
• If personnel report skin burns after exposure to radiation, what type of radiation is most likely involved?
• What is the most dangerous chemical agent?
• What material is used to wipe clean the knife edge and silicone gasket after performing the chalk test?
• What color smoke is produced by Class C fire?
• What type of chemical survey is conducted during an attack?
• If you encounter an individually dogged door and believe there is flooding on the other side, which opening method is specified?
• Which fire class is extinguished with CO2?
• Which statement best distinguishes acute and chronic doses?
• What action is used to fight a Delta-fire?
• What concentration of HTH is used to clean the gas mask lens?
• If Class Alpha cannot enter due to extreme heat but can operate from the doorway, what type of attack are they performing?
• What does the IM-270/PD dosimeter measure?
• Which term describes a hazardous condition caused by radioactive material that is inside the body?
• Which term is listed as a type of investigation?
• How many personnel are required to adequately man a decontamination station?
• For fresh-air entry (FFE) operations, what is the maximum duration under heat stress?
• Which clock-face fitting is designed to resist direct projectile impact?
• What color does the M9 test turn for a chemical agent?
• AN/PDQ-1 measurement range is
• Which approach is used to generate steam during a fire attack?
• How many days protection does the MCU-2/P cannister provide in a contaminated environment?
• You are fighting a Class Alpha fire in the berthing. Direct access to seat of fire is unavailable but you still have access to the compartment. What is the method of attack you use?
• Which of the following is a direct attack type?
• What is the phrase used for the equation of inward pressure?
• At MOPP level 2, which paper is posted?
• A gasket hatch showing a permanent groove in silicone gasket greater than 1/8 inch indicates what condition?
• Which patch material cannot be used to isolate a ruptured pipe?
• On-station monitoring is performed during an attack to determine if there is a vapor hazard inside the ship. When is this monitoring performed?
• Which are the three types of radiation?
• Which agent is used for class Charlie fires?
• Which radiation type travels thousands of yards with high penetration capability?
• The G designation on hazard classifications refers to which type of agent?
• Which statement about the JSLIST jacket and trousers is true regarding shelf life?
• What color smoke is produced by Class B fire?
• Chemical hazard sign is indicated by which color and lettering?
• If Hydrogen Fluoride (HFP) is discharged in a space, what gas must you test for?
• What is the preferred method of attack when fighting fires?
• For an accurate reading, which survey type is recommended?
• What is the preferred method for dewatering?
• If the firemain is not available, what must you consider before selecting dewatering equipment?
• When rollover is observed during a fire operation, which action is appropriate?
• What toxic gases are associated with a Class Bravo fire?
• Which person is responsible for guiding personnel through the Decontamination Station?
• How do you extinguish a class Bravo fire in an engine room?
• What type of pipe rupture has no protruding edges and is located on a curved section of a pipe?