Hull Maintenance Technician HT2 Practice Exam

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• What are wounds commonly called that are made with a sharp instrument such as a knife, razor, or broken glass?
• Which organization would you contact regarding decisions about fleet modernization to maintain readiness?
• In areas where noise levels exceed certain thresholds, double protection should be worn; what is the threshold in dB(A)?
• Which NAVMED 6260/2 decal identifies zones with which hazard?
• Which document would you consult for authoritative guidance on handling compressed gases on ships?
• What is the purpose of drip edges or weep holes on hulls?
• What burn type is most serious, potentially destroying skin and underlying tissues?
• Hardwoods include ash, birch, beech, white oak, poplar, walnut, and what else?
• What does CP stand for in hull protection and why is it used?
• What is the primary purpose of corrosion control in hull maintenance?
• Why is proper containment and environmental protection required during blasting?
• What is the purpose of a Welding Procedure Specification (WPS) in hull repairs?
• What is a patch plate (doubler) and what condition necessitates its use?
• What are sacrificial anodes and when are they used on hulls?
• What factors influence the corrosion inspection interval?
• Wounds that are torn rather than cut are called?
• To be effective, CPR must be started within how many minutes of the onset of cardiac arrest?
• How is thickness measurement performed on a painted hull without removing coatings, and how should results be interpreted?
• How should you interpret a non-destructive test report for hull welds?
• When should sacrificial anodes be replaced on a hull?
• The ICC regulates gas cylinders manufacturing and maintenance under what descriptor?
• Information concerning compressed gases can be found in what?
• What is the most important structural member of a ship?
• What is a holiday detector and how is it used?
• Which steps are involved in underwater hull painting and coating preparation?
• Name and describe two methods of surface contamination removal before painting.
• What is a primary reason for performing underwater hull cleaning to remove biofouling before coating?
• Which lumber grade contains only a few minor blemishes but remains usable?
• What feature in an ultrasonic thickness gauge helps when measuring through coatings?
• Which term describes the vertical partitions that divide the interior compartments of a ship?
• Navy standard gas cylinder valves are of how many basic designs?
• The air pressure for any pneumatic tool must not exceed what psi?
• Which division consists of the ship fitter shop, sheet metal shop, pipe and copper shop, weld shop, carpenter shop, diving locker, and canvas shop?
• Which lumber grade is described as nearly blemish-free and suitable for high-quality finish work?
• How do you safely perform hot work on a hull and what permits are required?
• A person who has stopped breathing but who is still alive is said to be in which state?
• The program that provides a uniform policy of maintenance and repair on ships and submarines is known as what?
• What is the purpose of a surface cleanliness standard and which standard applies to hulls?
• Which organization may determine that a particular ship or class should be altered to bring them to a more efficient and modern state of readiness?
• What is the purpose of grinding and feathering edges before applying a patch coat?
• Which division consists of the electronics shop and the calibration shop?
• How do you measure dry film thickness in the field?
• What type of files are used to file acute internal angles and to clear out square corners?
• Deckplate magazine is published by the Naval Sea Systems Command with what publication frequency?
• When patching a hull plate, which document specifies weld sizes and spacing?
• Softwoods include white cedar, cypress, Douglas fir, white pine, yellow pine, and what else?
• In hull welding, thick sections or high carbon content require preheating to reduce hydrogen cracking and improve weld quality. This statement is most accurately described as:
• Galvanic corrosion occurs when two different metals are in electrical contact in seawater. Which practice is a practical mitigation?
• What is a place where the main artery to the injured part lies near the skin surface and over a bone?
• Who is responsible to the CO for the organization, administration, and execution of the ship's QA program according to the QA manual?
• What type of file is used to file acute internal angles and to clear out square corners?
• In underwater hull coating programs, what does CP stand for?
• Which instrument serves as a versatile layout tool for angles, height, depth, bisecting a 90-degree angle, and as a level?
• Why is surface moisture critical before applying coatings?
• What are common coating systems used on hulls and describe each layer's function?
• What is the function of anti-fouling coatings and when are they applied?
• Which data point in coating records confirms film thickness?
• Which tool is commonly used to check small openings and narrow slots in joints, including welds and braze work?
• What is the difference between an impressed current cathodic protection system and a sacrificial anode system?
• Which PPE is typically required for hull maintenance work such as grinding and painting?
• Which organization provides instruction, policy, and overall direction to implement and operate the force QA program?
• How is undercut best described in weld inspection?
• What is the standard method to estimate burned surface area called?
• What constitutes an acceptable visual weld condition?
• Repair activities are IMAs, XMAS, SRFs, and what else?
• Which procedure is used along with artificial ventilation to reestablish heart beat and blood circulation in a person who has suffered electrical shock?
• Which item attached to equipment provides information about the equipment's characteristics and is a useful source of information about the equipment itself?
• Gas cylinders are manufactured and maintained according to the regulations of what?
• Why is preheating used in some hull welds?
• The primary load-bearing member that runs along the bottom and provides longitudinal strength is called the what?
• What steps are included when planning a hull maintenance job to minimize downtime and ensure safety?
• Grinding wheel markings are comprised of how many sections?
• In resuscitation after an electrical shock, which action primarily restores breathing?
• QA manuals set forth minimum QA requirements for which naval forces?
• Which welding parameter has no direct impact on weld quality?
• Which burn type includes blistering skin?
• Which NDT method is used to detect thickness and internal flaws in hull welds?
• ICC regulations require that all gas cylinders, except acetylene cylinders, be retested every how many years?
• The pressure must not exceed what psi for any pneumatic tool?
• Most operational navy small crafts are now built of what?
• When applying coatings, why is proper surface cleanliness necessary?
• What does NDE stand for in hull repair quality control?
• Used for checking and measuring small openings such as root openings and narrow slots found in weld fitups and braze joints?
• What is the purpose of testing coating continuity at edges and joints?
• The NAVMED 6260/2 decal marks zones with which hazard?
• What is a constricted band that is used to cut off the supply of blood to an injured limb?
• What are the vertical partitions that, extending athwartships and fore and aft, provide compartmentation to the interior of the ship?
• Wounds caused by objects that penetrate some distance into the tissues while leaving a relatively small surface opening are called?
• Precision measuring devices that measure length in thousandths of an inch are what?
• What are the most common type of caliper found in the navy?
• CPR must be started within how many minutes of the onset of cardiac arrest?
• Which topics are included in the Navy Safety Center's Ships' Safety Bulletin?
• Select lumber that is practically free of defects and blemishes is called what?
• Which burn type is the mildest?
• What are typical maintenance records and documentation requirements for hull coatings?
• Which factor is essential to maintain in patching hull seam repairs to prevent stress concentrations?
• True or false: Burns covering more than 30 percent of the body surface are usually fatal if not treated?
• Who publish and update QA manuals that set forth minimum QA requirements for both the surface fleets and the submarine force?
• Which burn depth is characterized by blistering skin?
• Which welding process uses a flux-core wire with self-shielding or gas shielding?
• Which wound is produced by a penetrating object leaving a small opening?
• What does the term near-white blast cleaning refer to in surface preparation?
• Which burn depth is the mildest?
• What is the difference between a weld bevel and a butt joint, and why is bevel angle important?
• SHIPALTs fall into how many broad categories?
• During corrosion protection testing, which metric indicates that protection is adequate?
• Which regulation is cited for environmental compliance in hull coatings work?
• What do SSPC-SP 5 and SP 6 describe and why are they relevant to hull painting?
• How do you determine if a patch is structurally suitable after repair?
• What is the purpose of the corrosion inspection interval?
• Which organization designates the compartments for stowing compressed gases on ships (excluding cargo ships)?
• What method verifies electrical continuity between hull sections during patching?
• How is patch plate size and thickness determined?
• Deckplate magazine is published by the Naval Sea Systems Command with what publication frequency?
• Which of the following is the source of equipment information that helps identify the equipment's characteristics and is commonly affixed to the equipment?
• What term is defined as the work necessary to restore a ship or an article to serviceable condition without a change in design, material, or the number, location, or relationship of parts?
• What is the purpose of applying antifouling coatings on submerged hull areas?
• How does the inspector determine if corrosion protection is adequate after CP installation?
• OPNAVINST 500.19C provides general shipboard safety precautions and specific occupational health program guidance. Which of the following instruction numbers matches this description?
• Which measure is commonly used to mitigate corrosion through electrical protection on a hull?
• What act as girders between bulkheads, decks, and double bottoms, and transmit forces exerted by load weights and water pressures?
• Among softwood species, which of the following is considered a softwood listed in typical shipboard lumber classifications alongside white cedar, cypress, Douglas fir, white pine, and yellow pine?
• What program provides a uniform policy of maintenance and repair on ships and submarines?
• What does the term repair mean in ship maintenance?
• Which division consists of the electric shop, gyro shop, printing shop, and photo shop?
• Which repair division includes the gyro shop?
• To control bleeding what method should you try first?
• In the typical hull patch repair sequence, what step immediately follows weld full penetration?
• How do SMAW, GMAW, and FCAW welding processes differ in terms of consumables and shielding?
• Which device stops bleeding by restricting blood flow to a limb?
• Which type of wound is formed when the skin is rubbed or scraped off?
• Discuss the importance of environmental compliance and waste management during hull coatings work.
• Who can approve a military SHIPALT?
• Which instruction encompasses all safety disciplines, including systems safety, aviation safety, weapons/explosives safety, off-duty safety, and occupational safety and health?
• Which division consists of the inside machine shop, the outside machine shop, boiler shop, and the foundry shop?
• Which document verifies that substrate surface preparation met requirements before repainting?
• Corrective maintenance and repairs to ships may be divided into how many general categories?
• What documents guide the selection of patch plate size and thickness?
• The first-aid methods used to stop serious bleeding depend upon the application of pressure. Pressure may be applied in how many ways?
• Which document should you consult for safety guidelines covering occupational health within Navy safety disciplines?
• Which entity is primarily responsible for evaluating modernization and readiness improvements in the fleet?
• Why is proper alignment critical when patching hull plates?
• What is the role of post-weld heat treatment in shipboard welding?
• A technical SHIPALT can only be approved at what level?
• What is a holiday test and how would you know a holiday exists?
• Among hardwoods, which one is commonly grouped with ash, birch, beech, white oak, poplar, and walnut as a typical hardwood species?
• Select lumber that contains a few minor blemishes is grade what?
• Which organization is commonly involved in determining ship modifications to improve efficiency and readiness?
• Which wound results from skin being scraped off?
• The most common defects in lumber are what?
• What is a multifunctional tool that can lay out various angles, measure height and depth, bisect a 90 degree angle, and as a level?
• If a tree has broad leaves that shed in winter, the wood is classified as what?
• What is the function of the topcoat in a hull coating system?
• Which wound type is defined by tearing rather than clean cutting?
• Acetylene and low-pressure fuel-gas cylinders, which have been stowed in a horizontal position, must be placed in a vertical position for at least how long before you use them?
• Compressed gases aboard all ships, except cargo ships, should be stowed only in compartments designated by what?
• What approach helps ensure coating continuity over fasteners and transitions at joints?
• Which statement is true about acetylene cylinders regarding ICC's 5-year retest rule?
• Which instruction outlines the safety program and the safety organization?
• Burns exceeding what percent of body surface are usually fatal if adequate medical treatment is not received?
• Which repair division includes the foundry shop?
• Wear ear protection when sound pressure levels exceed what dB(A)?
• What is confined space entry and what controls are used when performing hull maintenance in confined spaces?
• When there is a complete stoppage of heart function, the victim has suffered a what?
• Which statement correctly matches each surface preparation technique with its primary purpose?
• Which instruction provides general shipboard safety precautions and specific occupational health program guidance?
• How many general kinds of wounds exist based on how the skin or tissue is broken?
• The high-pressure oxygen cutting distance is which option?
• What are used to cut threads in metal, plastics, or hard rubber?
• The division that includes the diving locker and canvas shop is part of which repair division?
• Which instruction would you consult to understand the scope of safety disciplines within Navy operations?
• Which hazards are commonly associated with hull maintenance and how are they mitigated?
• What does the acronym CPR stand for?
• Which action does not help minimize downtime and ensure safety?
• The high pressure oxygen stream used in cutting with an oxyacetylene torch can throw molten metal for a distance of how many feet?
• What tool is used to cut metal that is too heavy for snips or bolt cutters?
• If a tree has needle leaves and cones, the wood is classified as what?
• Which option lists three common weld defects to identify during inspection?
• What peak dB level is commonly used to define hazardous areas when continuous sound levels exceed 84 dB(A)?
• The causes of burns are generally classified as thermal, electrical, or what else?
• What term best describes the collective safety disciplines referenced in the Navy's safety instruction?
• Which statement best describes the term 'safety disciplines' as used in Navy policy?
• The Navy Safety Center's Ships' Safety Bulletin is published at what interval?
• Which wound type is produced by a sharp instrument?
• What is the strongest, heaviest, and toughest of all American woods?
• Explain the difference between adhesion and cohesion in coatings.
• What is the purpose of a primer in hull coatings?
• What are the properties of zinc-rich primers and when are they used?
• Navy standard gas cylinder valves are of how many basic designs?
• What is the period of time a ship is assigned to undergo maintenance or repair by a repair activity?
• The NAVMED 6260/2 decal is used to indicate zones with what hazard?
• What rule is used to estimate the amount of skin area affected by burns?