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Damage Control Assistant Senior Enlisted (DCASE) Practice Exam 2026 - Free DCASE Practice Questions and Study Guide course image
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  • What is the purpose of the DCREL?
  • What is the function of the primary IVCS circuit?
  • Which NDT method uses visual inspection to check for proper joint design and surface defects?
  • How are LCF and CT related?
  • Manning for RRT is defined as what?
  • Soft caps are described as forming the top of the keel and side blocks and have what thickness?
  • Maintenance records are kept IAW which directive and system?
  • In DCRS subdivisions, what does F designate?
  • Who updates and prepares the DC book, and where are its copies maintained?
  • Who is responsible for developing the docking plan?
  • Which log is issued for each confined space that is inspected or tested?
  • DCC personnel are responsible for providing what type of diagrams or schematics?
  • Which of the following is NOT a type of APC nozzle?
  • What is the 3M program?
  • To whom does the DCPO report?
  • What is the correct order of active desmoking steps?
  • What are the initial requirements for GFE?
  • Which item is NOT listed as a scene leader role?
  • During docking, hull board inspections include noting which item?
  • Manning for GQ is defined as what?
  • Which of the following is a pathogen?
  • Which NDT method uses iron sprinkles to indicate imperfections?
  • Which IVCS circuit provides communications for subordinate control?
  • DCRS 1 refers to which area?
  • Which item is included in the DC Closure log?
  • Which reference is associated with corrosion guidance for ships and bears the designation VI?
  • What is the purpose of the Smoke Ejection System?
  • Which draft mark type would you consult to calculate displacement?
  • What is the DC closure log?
  • DCUL is associated with which function?
  • Who is responsible for maintaining the auditable file for each welder?
  • What does the underwater hull report consist of?
  • What is the primary connection between the DCO and control/repair stations?
  • What is CT?
  • What does Green indicate on the Flooding Effect Diagram?
  • Which circuit includes circuits not listed above?
  • As part of initial actions after grounding, what is determined to guide corrective actions?
  • DCUPS is smaller than DCRS for which purpose?
  • Which weight movement does the cosine correction curve address?
  • Which point is the line through which the weight of the ship's structure and contained load acts vertically downward?
  • DCRS 2 corresponds to which area?
  • Which term best represents the maximum readiness level in DC operations?
  • Which step comes second in the desmoking sequence?
  • Which method is used to determine or observe if the ship has incurred further damage after preliminary investigation?
  • The axis about which a ship tilts through the waterline center is known as what?
  • What action is taken if a leak is reported during flooding of the dry dock?
  • Which reference established the basic guidelines for the corrosion prevention and control program?
  • Which of the following is NOT a pathogen type listed?
  • Which of the following is NOT a direct fire fighting method?
  • Which of the following is not listed as a type of pathogen?
  • What are DC plates and how are they used during casualties?
  • Initial DC actions following a grounding include which action?
  • What is Freeboard?
  • Describe rapid plotting symbology and how it is used during casualties.
  • Divers are used in docking to perform which purpose?
  • Which of the following is NOT a category used to classify chemical agents?
  • Which weight movement does the sine correction curve address?
  • Which reference outlines the duties of a DCPO?
  • What is a step to activate Halon?
  • Which of the following is a pathogen type that starts with the letter F?
  • What should be investigated when an underwater explosion occurs alongside or close aboard the ship?
  • Which spaces are manned during docking?
  • Free Communication Effect occurs under which condition?
  • What is the purpose of the R&A detail?
  • What is the Gas Free Engineer Log and how is it maintained?
  • How does trim factor into ship design?
  • Which draft mark type is used to indicate the minimum freeboard and maximum depth?
  • What chapter of the RPM is related to casualty power?
  • When are service record entries made for welder qualifications?
  • What DC library resource is useful to help inventory and identify?
  • Which NDT method uses conductive materials to detect surface and subsurface flaws?
  • Which statement best describes the minimum criteria for the initial welder qualification?
  • Which type of draft mark shows the minimum allowable freeboard and maximum depth?
  • What does the quarterly requalification consist of?
  • How are training records maintained?
  • Which statement correctly describes the typical trim design for ships and its effect on power plant efficiency?
  • Positive ventilation is defined as which configuration?
  • Which category describes how a chemical agent enters the body?
  • Which symptom is a direct indication of flooding during sounding?
  • What is the purpose of setting GQ/Zebra?
  • In nondestructive testing, what does PT stand for when describing a dye-based method?
  • Which statement best describes the design features of the casualty power system?
  • Which item is included in the DCPO's equipment responsibilities within divisional spaces?
  • Which items are included in the DC Closure log?
  • Which of the following items is the DCPO responsible for within divisional spaces?
  • During compartment inspections, investigators should look for which of the following as a potential finding?
  • When investigation for structural damage what areas should be included in the investigation?
  • Which reference provides specific guidance for inspection, prevention and repair of corrosion onboard ships?
  • After underwater hull penetration, the investigation should be extended to how far from the point of impact?
  • As the ship heels, the metacenter moves relative to the center of buoyancy and center of gravity in which manner?
  • What must be done to the ship's propellers, rudders, and projecting devices before entering dry dock?
  • Which item is a pathogen type that appears in the six listed types?
  • In DCRS subdivisions, what does B designate?
  • Which of the following is a design feature of the casualty power system?
  • Which item is part of the DCPO's equipment responsibilities?
  • DCRS 5 is associated with which system?
  • Which item is part of the DCPO's equipment responsibilities?
  • A trimming moment can affect stability by changing which of the following?
  • Which draft mark type is used to indicate reserve buoyancy limits?
  • Which of the following is NOT a type of APC nozzle?
  • Which NDT method uses X-ray to show imperfections?
  • Which IVCS circuit allows emergency communications in the event of damage to other comms?
  • How far should you pull the Carbon Dioxide system control head cable handle?
  • What methods can be used to investigate watertight fittings?
  • Manning for Cond II requires which assets?
  • DCRS 3 corresponds to which ship location?
  • At 3 PPM, what action should be taken according to precautions for HFP?
  • What are CCOLs and what is their purpose?
  • What is the time limit for continuous operation for the water mist system supply tank?
  • What precautions should be taken when investigating flooding?
  • Which of the following is part of the DCPO's equipment responsibilities?
  • What is the purpose of the firemain system?
  • Which IVCS circuit provides alternate communications for select stations?
  • Which frequency is associated with welder qualification program audits?
  • Which item is listed as a military use category?
  • Before undocking, hull board inspections should include which of the following?
  • DCRS 6 corresponds to which function?
  • What condition can cause a firemain fault?
  • Negative GM is listed as a condition that can cause what?
  • Which of the following is a design feature of the casualty power system?
  • How often are audits of the welder/brazing qualification program required?
  • What is a Fleet COSAL FBR used for?
  • Which point is defined as the intersection of buoyancy lines as the hull heels through small angles?
  • How are AEL records maintained?
  • When is the leakage report submitted?
  • Which NDT method is denoted by the abbreviation VT?
  • DCRS 4 corresponds to which ship location?
  • Initial stability is described as reflecting the size of the ship's righting arms at small angles. What is the typical heel angle range for these small angles?
  • Which statement best describes the overall design approach for casualty power features?
  • Which of the following is an item listed in the DC Closure log?
  • What database is used to document coating system inspections, maintenance and repairs?
  • Which code corresponds to the captain's battle circuit?
  • For precautions related to HFP, what action is recommended when exposure reaches 90 PPM?
  • What is the purpose of buddy aid?
  • Which DC bills are maintained in the DC library?
  • Which spaces should be included when investigating for hidden damage after an underwater explosion?
  • Which point represents the location where all buoyant forces may be considered to act in a vertical upward direction?
  • Flow rate at the FP is higher than the design flow rating, what action should be taken?
  • What are the two categories of biological agents?
  • The CVN designation in this context refers to what type of ship?
  • Who nominates the DCPO?
  • Which item is part of the DCPO's equipment responsibilities?
  • Which step comes last in the desmoking sequence?
  • Which toxin category is associated with toxins from plants?
  • Which phrase may require permission to use?
  • Which of the following is NOT a type of shipboard ventilation?
  • Which item is part of the DCPO's equipment responsibilities?
  • Open head sprinklers vs close head sprinklers: what is the difference when activated?
  • When conducting sounding what symptoms will indicate flooding?
  • In the open head sprinkler configuration, what happens when the system is activated?
  • How many types of pathogens are listed in the material?
  • Discharge pressure at the FP is higher than the design pressure, what action should be taken?
  • Which organization maintains DC, Firefighting and CBRN-D AELs?
  • When is the underwater hull report performed?
  • In DCRS designations, what does P designate?
  • What is the Righting Arm?
  • The DC watch log includes which information?
  • Where are copies of the DC book stored besides the central DCC?
  • Which item is part of the DCPO's equipment responsibilities?
  • Which method is used to isolate ruptures in the firemain system?
  • Blister agents in the respiratory tract cause which effect?
  • GFEP training should include which of the following?
  • Which category describes the physical form of a chemical agent?
  • What are the reference points for keel, center of gravity, center of buoyancy, and metacenter?
  • What information is included in a DC Comms bill?
  • Which of the following should investigators look for during compartment inspections?
  • DCC personnel perform which of the following communication tasks?
  • Which term describes the point through which the weight of the entire ship's structure and contained load acts vertically downward?
  • How can testing of fuel and potable water indicate the presence of flooding?
  • How many categories are used to classify chemical agents?
  • Which item is part of the DCPO's equipment responsibilities?
  • How many direct fire fighting method types are listed?
  • Which of the following is a pathogen type that starts with the letter V?
  • The two digits for DCUL/DCUPS refer to which identifiers?
  • On the Flooding Effect Diagram, what does Yellow indicate?
  • For how long is the Gas Free Engineer Log maintained after a specific job?
  • Nerve agent symptoms include which of the following?
  • What does Pink indicate on the Flooding Effect Diagram?
  • Which statement describes the quarterly requalification assessment?
  • Which of the following items is included in the DCPO's equipment responsibilities within divisional spaces?
  • What are the 3 plotting techniques?
  • What PPE are investigators required to wear?
  • As part of the initial DC actions following grounding, investigators are sent to survey damage and flooding. Which option reflects this action?
  • Freeboard provides a rough measure of what?
  • Which item is part of the DCPO's equipment responsibilities?
  • Which method is used to bypass ruptures in the firemain system?
  • How are maintenance records maintained?
  • Which term describes the method that uses magnetic particles to reveal surface flaws?
  • If there is a penetration of the underwater hull, what is the primary procedure for investigating hidden damage?
  • Negative ventilation is achieved by which configuration?
  • Which circuit supports communications for subordinate control?
  • Which item is included in the welder's file?
  • Which term is NOT part of the DC organization's three-tier concept?
  • Which toxin category includes toxins associated with algae?
  • Which of the following is a condition for Free Communication Effect to exist?
  • What term describes the intersection of two or more successive lines of buoyancy as the ship heels through small angles?
  • Which items constitute the main components of a message?
  • Which type of draft mark indicates the operating draft?
  • Which method is suitable for determining whether a space is flooded without opening a watertight closure?
  • DCRS 1 may be divided between which departments?
  • What is the purpose of rapid casualty plotting in damage control operations?
  • Which of the following is a characteristic that determines the suitability of pathogens?
  • How are ships and the DC organization trained to handle personnel casualties?
  • One of the tasks performed by DCC personnel is to receive and evaluate information.
  • In an explosion what spaces must be included when investigating for hidden damage?
  • What is a docking report and who prepares it?
  • Who supervises casualty training according to the material?
  • What does White indicate on the Flooding Effect Diagram?
  • In addition to extending the investigation, what other step is recommended when assessing for hidden damage?
  • The initial qualification can be achieved by passing A school or which NEC code?
  • When is the DC watch log not required?
  • What AELs are maintained by the DCA?
  • What happens if the trimming moment becomes greater than the max longitudinal righting moment?
  • What is the maximum continuous operation time for the water mist system supply tank?
  • Where are AEL records stored for ready inventory?
  • Which of the following is a design feature of the casualty power system?
  • What is the most widely used method of corrosion control?
  • Which information is included in the Welder's file?
  • If normal comms are damaged, which circuit provides emergency communications?
  • GQ readiness is described as which of the following?
  • Which statement correctly describes the Fleet COSAL FBR?
  • What is included in the R&A detail’s mission besides rescuing personnel from the water?
  • Who designates the source switchboard and riser?
  • Which IVCS circuit consists of circuits not included above?
  • What is the captain's battle circuit?
  • Which of the following is a category of toxins?
  • Which action best describes the scene leader’s role in terms of attack planning?
  • Which item is listed as a toxin category associated with animals?
  • Which NDT technique uses magnetic fields to detect defects in ferromagnetic materials?
  • Which type of draft mark is used to determine displacement?
  • Which item is part of the DCPO's equipment responsibilities?
  • What methods can be used to determine if a space is flooded that do not require opening a watertight closure?
  • DCRS 7 corresponds to which area?
  • What is the recommended practice when testing watertight fittings to ensure safety?
  • How often is welding requalification required and what must be passed?
  • What is the main purpose of Ordnance Casualty Control?
  • Free Surface Effect occurs under which condition?
  • Which toxin category is associated with toxins from bacteria?
  • Which of the following is NOT listed as a condition that can cause a ship to take on a permanent list?
  • Which category refers to the duration of the chemical agent's effects?
  • Where are CCOL master copies kept, and who maintains the software/disk?
  • Who is responsible for establishing casualty power route?
  • Which of the following is NOT listed as affecting the dispersal of agents?
  • Which NDT method uses sound waves to measure thickness?
  • Which NDT method uses dye and developer to indicate imperfections?
  • Which option best describes the information included in a DC Comms bill?
  • Which toxin category is associated with toxins produced by plants?
  • Which term describes the point at which buoyant forces are considered to act upward for small heel angles?
  • Which category refers to the time between exposure and onset of symptoms?
  • What immediate action should investigators take when a casualty has been detected?
  • By what means do maintenance personnel report maintenance requirements?
  • When does responsibility of the ship transfer during docking?
  • What is the optimal time frame to rig active desmoking and determine its effectiveness?
  • Which type of draft mark is used to maintain reserve buoyancy?
  • What is LCF?
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