Naval Maintenance and Mechanical Tools – Technical Manuals, Fasteners, and System Operations Practice Test

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• What does the oil content monitor recirculate back to when the oil content is above 200 ppm?
• What occurs on steel when oxidation happens?
• How often should calibration of critical measurement tools be performed on Navy ships, and what documentation is typically kept?
• Which color description indicates rust particle contamination in oil?
• Approximately how many gallons per minute (gpm) of LO is diverted toward the Gas Turbine LO cooler?
• How should you select and apply lubrication in a threaded fastener assembly on a ship?
• What are the Main Reduction Gear LO sump capacities for port and starboard?
• At what PSI do the LPACs unload for lead, standby, and emergency standby units?
• What is the capacity of the fuel head tank installed above Generator Room 3?
• The seawater cooling system provides emergency backup cooling water for which component?
• What is a welding symbol and when would you consult it in maintenance?
• What is the function of a valve in a shipboard hydraulic system?
• What is the function of anti-seize compounds, and on which surfaces should they be applied in naval fasteners?
• Which section of a Navy Technical Manual lists assemblies and components with part numbers and locations?
• How should a technician approach cross-threaded fasteners during disassembly?
• Which statement about the LPAC is false?
• What is a 'bearing race' and why must it be scored or checked during maintenance?
• In a visible sediment test, a failure is indicated by sediment forming a solid line greater than what measurement?
• Which option lists typical bearing wear types and how to recognize them?
• What checks are performed to validate a fastener's suitability after assembly, beyond torque?
• What does discoloration on bearing surfaces most commonly indicate?
• What is the difference between a bolt and a stud, and when would each be used in naval applications?
• Which option would correctly describe the BS&W test in the context of 2190TEP Lube Oil?
• Oil content above 200 ppm recirculation destination?
• The standby LPAC unloads at what psi?
• In preparation for maintenance on high-energy piping, what is the proper sequence?
• What psig are the most remote bearing pressures maintained at?
• What is the role of corrosion prevention and control (CPC) in maintenance planning?
• Which fastener is used when quick and easy assembly is necessary and allows for slightly bruised or dirty threads?
• What controls the light phase discharge pressure in the Lube Oil purifier?
• How many unified screw thread series have been established?
• Which document would a maintenance technician use to aid in troubleshooting a possible circuit malfunction?
• What is the purpose of Lockout/Tagout (LOTO) before electrical work?
• What role do gaskets and seals play in naval systems, and how do you determine appropriate replacement?
• The battery terminal and small gear puller is used for which scenario?
• Vital Air Service is maintained at what psig?
• Which practice does NOT mitigate galvanic corrosion in shipboard assemblies?
• What class of threads are interference fit threads available in the older American National Coarse (NC) series?
• In what type of environment is Advanced Technical Information Support (ATIS) designed to be used?
• What discoloration may indicate finely divided rust particles when evaluating an oil sample for water presence?
• Why is cleanliness critical when disassembling and reassembling mechanical assemblies?
• What steps should you take if you discover a damaged or missing component listed in the IPB during maintenance?
• If a maintenance technician finds an error in a Technical Manual (TM), who should they notify?
• Which statement is true about the BS&W test according to the material?
• What drives a Low-Pressure Air Compressor (LPAC)?
• What measurements would you take with a micrometer, and how do you read it?
• Which tool is used to clean and inspect the purifier bowl?
• Which test is used to determine oil cleanliness?
• What is the rated capacity of the fire pump in gallons per minute and its discharge pressure?
• In cotter pin puller tools, which form is common?
• Engine Room No. 2 fuel service tanks are located at which positions?
• What is the role of the Illustrated Parts Breakdown (IPB) in maintenance operations?
• Which of the following is a small pry bar?
• When joining aluminum and steel components, which practices help prevent galvanic corrosion?
• If the BS&W test is performed on a 2190TEP Lube Oil sample, what does it primarily measure?
• Which statement is NOT a typical sign of anti-friction bearing failure?
• What indicates a failed visible sediment test?
• What is the purpose of an anti-friction bearing?
• If you need to verify part availability and location for replacements, which document would you consult?
• Which description correctly lists the capacity in gallons for the port and starboard Main Reduction Gear lube oil sumps?
• A sample showing sediment and water would be detected by which test?
• During system troubleshooting, what is a common cause of intermittent electrical faults aboard ships?
• In what position should pry bars be used to maximize leverage?
• In maintenance terminology, what does TM stand for?
• Before operating any hydraulic system, what are the two essential checks you must perform?
• Which item is NOT listed as removable by the push and pull set?
• What does a dial indicator primarily measure in maintenance work?
• Which color description would you associate with rust particle presence?
• Which combination is considered the worst for galvanic corrosion?
• Which component processes oily waste from the OWHT?
• What is applied to a wrench to provide a mechanical advantage to turn bolts?
• Which type of valve returns fuel to the online service tank?
• What is a calibration certificate and why is it important for maintenance tools?
• What is the approximate rate of temperature rise per hour for the LO purifier heater when heating the Main Reduction Gear sump oil from 40°F to 90°F in one hour?
• What is the purpose of a thread plug gauge and how is it used?
• What is galvanic corrosion and how can it be mitigated in shipboard assemblies?
• What type of threads may some fasteners used on rotating elements of machinery incorporate to prevent loosening?
• Which test provides a reliable way to test the quality of lubricating oil?
• What is the purpose of a 5-Whys root cause analysis in maintenance coding?
• How many days are allotted for the completion of a routine Technical Manual Deficiency and Evaluation Report (TMDER)?
• Which bearing wear is primarily caused by impact loads?
• The minimum nominal diameter for Level I fasteners is given in which unit of measurement?
• At what temperature will the Lube Oil settling tank heater automatically de-energize?
• What shape is a cotter pin puller?
• Which purpose best describes the Bottom Sediment and Water (BS&W) test?
• What is the difference between a torque wrench and a lever arm torque multiplier?
• What does the acronym BS&W stand for in oil testing?
• What is the minimum nominal diameter in inches for Level I and submarine hull integrity fasteners that must be marked with the material grade?
• The capacity of the fuel head tank above Generator Room 3 is expressed in which unit?
• What is the pulling capacity, in inches, of a universal bearing and bushing puller?
• What is the gear and bearing puller used to pull?
• How do you determine if a fastener has been properly torqued after installation?
• Which component handles oil and water separation in the oily waste system?
• Which test assesses water and particle contamination in 2190TEP Lube Oil samples?
• Why is adequate thread engagement length essential when installing a fastener?
• What is the difference between static and dynamic friction in torque tightening?
• When reading a schematic diagram of an electrical system on a Navy vessel, which elements should you identify and differentiate?
• Who is responsible for applying ATIS changes after they are received on board?
• Why is an inspection/clearance performed when disassembling components that include seals?
• How do you document maintenance actions in Navy practice, and why is it important?
• How does a box-end wrench surround a nut or stud?
• Which discoloration may indicate rust particle contamination in an oil sample?
• What considerations govern gasket thickness selection in a repair?
• What safety precautions are required when working with high-energy piping or steam systems on a naval vessel?
• Which abbreviation is used for the maintenance report used to track deficiencies and evaluate responses for Technical Manuals?
• In lockout/tagout procedures, what does zero energy mean?
• What is the role of a dial indicator in mechanical maintenance on a ship?
• What is the primary purpose of a torque wrench, and how is its accuracy verified on a ship?
• The BS&W test is used to assess contamination in which fluid?
• Most pry bars are manufactured from which material?
• What is the purpose of the storage/handling section in a Navy TM?
• What is the purpose of the revision history in a Navy TM?
• How would you identify and differentiate a high-pressure line from a low-pressure line in a hydraulic circuit?
• Which of the following indicates proper seating of a fastener after torquing?
• Which factor does not belong in gasket thickness selection?
• What type of pump is used in the fuel oil system?
• At how many psi is the internal relief valve set on the feed pump?
• How many jaws does a universal gear puller usually have?
• Which protective coating is associated with military corrosion/anti-wear protection and has restrictions on use?
• Which statement best describes the purpose of a PMCS checklist in maintenance?
• Which wrench is described as engaging a fastener from all sides?
• ATIS stands for Advanced Technical Information Support. Which of the following is a correct expansion of the acronym?
• Which unit is used to express most remote bearing pressures in this system?
• What is the correct sequence for performing a typical PMCS on a piece of equipment?
• Which fastener is an exception to the requirement for material grade marking?
• What designation indicates that the system is operating incorrectly in troubleshooting charts?
• Why does lubrication affect torque readings, and how should you select a torque value for a lubricated fastener?
• How quickly must the Technical Librarian apply Advanced Technical Information Support (ATIS) changes after receiving them on board?
• The BS&W test is used to detect what types of contamination in lube oil?
• What feature does the flat bar have at the end to pull nails out from tightly enclosed areas?
• What steps would you take to prevent corrosion when bolting aluminum components to steel?
• How would you locate the correct maintenance procedure for a specific system on a Navy ship?
• What best describes the purpose of calibration records and traceability for critical tools?
• What is the typical length range for a pry bar in inches?
• What is the purpose of thread sealant and where would you apply it?
• What are the capacities of the fuel service tanks for Engine Room No. 2?
• Which test is used to assess water and particle contamination in lube oil samples?
• In which modes can a Low-Pressure Air Compressor (LPAC) operate?
• A fulcrum is used with a pry bar to create what effect?
• In troubleshooting charts, which term is used to describe an abnormal condition that triggers further diagnosis?
• Which fastener class pair is designed for easy assembly with tolerance for minor thread damage?
• How do you determine the correct torque value for a fastener from a Navy TM?
• What is the lube oil transfer pump fitted with to limit discharge pressure?
• What is the purpose of the Calibration/Testing section in a Navy TM?
• When should a gasket be replaced in a naval system?
• What detects system pressure to control the operation of the LPAC?
• What type of maintenance publication should detailed corrective maintenance tasks be accomplished in accordance with?
• What is the primary purpose of the system description section in a Navy TM?
• Which statement best describes PMCS and its role in Navy maintenance program?
• In how many hours can the Lube Oil purifier heater heat the Main Reduction Gear sump oil from 40°F to 90°F?
• What is a typical consequence of insufficient thread engagement length when installing a fastener?
• Which must be performed for malfunctions and shutdowns that occur without traceable physical cause?
• The IPB is used to identify which information for maintenance operations?
• What is 1 1/4 inches in decimal form?
• Which item is commonly used as a small pry bar?
• What type of heating element is used to heat fuel in the fuel oil service system?
• During PMCS, if a component is found damaged, what is the correct action?
• A 5-Whys analysis is said to complement which problem-solving diagram?
• In what states can water be present?
• Which indicator is most directly linked to rust particles in oil?
• What are the three primary types of fasteners used in shipboard equipment, and what are their typical applications?
• In galvanic corrosion, what is the primary cause when two different metals are in contact?
• The universal gear puller typically has how many jaws?
• Which statement best describes an Illustrated Parts Breakdown (IPB) and how it is used in maintenance?
• Which screwdriver would be used in a small space where screws are hard to reach?
• A gear and bearing puller is used to pull which items?
• Why is performing a zero check on a micrometer before use important?
• How do UNC and UNF thread forms differ, and when is each typically used on Navy equipment?
• What should you do immediately after completing the purifier bowl procedure?
• Which statement describes how LPAC pressure control is achieved?
• The LO purifier heater heats which sump oil?
• Total fuel service tank capacity for Engine Room No. 2 when both tanks are full?
• What is the primary function of a hydraulic accumulator in a shipboard system?
• Which item is not typically considered part of a corrosion prevention and control program elements?
• The push and pull set can remove and replace which components?
• Which type of pump is used in the oily waste transfer system?
• Why are torque charts often provided for lubricated vs dry conditions, and how should you apply them?
• Which tool is used to strip insulation from electrical cords?