Basic Engineering Common Core (BECC) 5 Practice Test

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• What should always be monitored to ensure the effectiveness of the purifier?
• What mechanism allows the wildcat to disengage from the windlass drive?
• What tank holds water for boilers?
• What is the primary purpose of a hand brake in an anchoring system?
• From which part of the tank does the stripping system tailpipe draw?
• The conveyor trays can hold how many lbs, and what is the overall weight of the conveyor?
• What device is used to cool compressed air between different stages?
• What term describes the rubber-lipped seals that prevent water leakage around a shaft?
• What converts linear movement of the ram to radial movement of the rudderpost?
• What type of gear design has teeth angled to allow for quieter operation?
• In which mode should the heat be maintained for a quick start?
• What type of analysis does an oil king perform?
• What color is sewage water typically associated with?
• What is the lubricant used for the Main Reduction Gear (MRG)?
• In a LO sample, what does "Clear" signify?
• What is the primary function of the purifier?
• What type of liquid refrigerant is commonly used in the navy?
• What is the purpose of a bulkhead seal on a ship?
• What is distillate in relation to water treatment?
• What PSI is needed to effectively separate salt from seawater in the reverse osmosis (RO) system?
• How many high-pressure compressors are typically found on a ship?
• What test consists of pressurizing a hose to twice its maximum pressure?
• To avoid replacement of the impeller or casing due to wear, what is commonly used inside the pump?
• What is a common use of unions in piping systems?
• In a centrifugal pump, where does the liquid enter?
• The JOAP aids in minimizing costly repairs by doing what?
• At what differential pressure should Helen strainers be cleaned?
• Which valve is responsible for maintaining pressure in a hydraulic system?
• How many journal bearings are used in the MG?
• Who is responsible for determining if an oil sample is unsuitable for use?
• How often is the Line shaft bearing and MRG lube oil inspected?
• At what RPM does the Delaval purifier typically operate?
• What is the primary purpose of a hydrostatic test?
• What system is used to adjust the draft, list, and trim of a ship?
• What is the color of the hydraulic valve?
• What is considered a vital service in a pneumatic system?
• What is the name of the gear that is commonly referred to as the bull gear?
• What type of bearing is specifically associated with the stern tube?
• Which of the following describes a characteristic of the main propulsion shaft?
• In what condition would you consider using a repair clamp?
• Which type of heat exchanger is composed of stacked plates?
• What is the name of the gear that allows two gears to rotate in the same direction?
• Which gear type is primarily used in a propulsion system creating torque and speed reduction?
• How many modes of steering gear operation do DDG-51 class ships have?
• What type of exchanger consists of a tube inside of another tube?
• How much pressure do the deballast air compressors create?
• What type of bearing contains many small diameter cylindrical rollers that ride directly on the shaft?
• What can increase the ship's draft?
• Which type of air pressure is represented by LP air?
• How often are readings taken on a high-pressure air compressor (HPAC)?
• Which component maintains the filters and is vital to the performance of the RO plant?
• What is the measurement of a fluid's resistance to flow?
• How many positions does the conveyor load/unload device have?
• What is the function of the priority valve in a pneumatic system?
• An empty, enclosed compartment separating other compartments is called?
• What is the normal operating LP air pressure range?
• According to Pascal's law, the pressure exerted on a confined liquid is transmitted in which manner?
• What system is primarily responsible for providing temperature control for personnel and spaces?
• What type of coupling is used to connect turbines and the MG while allowing for slight misalignment?
• Which component operates independently when the wildcat lever is disengaged?
• What provides a standardized oil analysis testing procedure for the military branches?
• Which type of exchanger incorporates one or more coils of tubing inside a shell?
• What device converts hydraulic energy generated by a pump back into mechanical energy?
• What does the regulating tube on the Delaval purifier direct into the rotating bowl?
• Which component in a centrifugal pump prevents the reverse flow of liquid?
• What is the primary function of the lube oil heater in an engine room?
• Which tank receives separated oil from the OWS for later discharge?
• What does the term 'capstan' primarily refer to in mooring operations?
• Is the statement "Laminar flow is an erratic and turbulent flow" true or false?
• What is the term used for lifting the anchor back on board?
• Which component is critical for the operation of a refrigeration system?
• How is the loading mechanism on a conveyor referred to when not in use?
• What is the most commonly used oil on board ships?
• What device is used to connect piping up to IN and allows piping to be removed for repairs?
• Which factor is most critical in ensuring the longevity of bearings?
• How is the Delaval purifier primarily used in machinery maintenance?
• What aspect does 'absence of particulate matter' indicate in a LO sample?
• What weight will activate the down-over travel interlock?
• True or False: The recirculation line is used to bypass the reducing valve.
• Which component is important for pressure maintenance in ballast systems?
• What component prevents overheating in a centrifugal pump?
• What procedure is followed to take a LO sample?
• What controls steam pressure to the seawater feed heater?
• Who is responsible for conducting oil analysis?
• What is used to align the hydraulic system?
• How long are lubrication oil logs maintained onboard naval vessels?
• How many disks are included in the purifier assembly?
• How many flow meters are typically present in an RO plant?
• When working on a high-pressure air system, what safety procedure should be followed?
• What does PSID stand for?
• Which tanks are designated for storing drinkable water?
• What is the maximum amount of weight that activates specified safety features in the conveyor system?
• What is the function of relief valves in a compressed air system?
• Which type of pump is commonly used in the Auxiliary Machinery Cooling Water system?
• What type of coupling on the anchor windlass system prevents misalignment?
• What must be assessed periodically to ensure safety and compliance in installations?
• Why is the liner of a journal bearing composed of babbitt?
• What is the primary purpose of bearings in machinery?
• At what temperature is the chill room typically kept?
• What connects a section of piping and other components of piping systems?
• Why is it essential to monitor the quality of lube oil regularly?
• What is the purpose of a tank vent?
• What prevents the conveyor doors from closing if the load/unload device is not in stowed position?
• What is the primary function of the door block in a conveyor system?
• What is required when a pipe cannot be replaced immediately and is needed for continuous operation?
• Which component is essential for the stripping process in the purifier?
• What is a common characteristic of anti-friction bearings?
• What valve is responsible for controlling refrigerant flow, pressure equalization, and oil cooler water flow?
• All machinery containing lubricating oil fluids must be fitted with a sample connection. Is this statement true or false?
• What is the primary function of the Kingsbury thrust bearing?
• What is the role of the gear box in a hydraulic anchoring system?
• What device converts high-speed operations of the hydraulic system to low-speed operations of the capstan?
• Which type of gear is specifically used for the Main Reduction Gear (MRG)?
• What is the term for heat transfer that occurs through the mixing of fluids?
• Which centrifugal pump component rotates to create centrifugal force that acts on the fluid?
• Where does the cooling system in the naval engineering setup typically begin?
• What type of coupling allows for no shaft misalignment?
• What is a metal plate installed inside a tank to prevent surging?
• What documentation is used to perform maintenance on the hydraulic system?
• What type of actuator is specifically designed to apply linear force to a mechanism?
• What type of tank system is often found for managing waste on ships?
• What type of reading sight glass uses a vertical pipe with a magnetic float that rides on the surface of the fuel?
• What is used to deballast tanks below the waterline?
• What maintains the ship's heading and carries out course changes?
• The Delaval purifier's ability to remove solids relies on which mechanism?
• What rating measures the ability of an element to effectively remove contaminants?
• What role does the rotating bowl play in the Delaval purifier?
• What type of gear features teeth arranged in a V pattern?
• What is the maximum number of stages of a high-pressure compressor?
• What component is designed to prevent an anchor from free falling?
• What provides a remote readout of bearing temperature?
• What types of fluids can be used in the hydraulic system?
• At what PSIG does the relief valve on the receiver open?
• What is the role of intercoolers in a pneumatic system?
• What is the term for the lowest temperature at which a liquid can give off vapors that may ignite?
• What type of flow occurs when fluids travel at a right angle to each other?
• Which component supports the weight of the main propulsion shaft inside the ship's hull?
• How frequently are MRG oil samples sent for testing?
• What type of pump is the HPU main pump?
• What type of tank holds fuel before it is cleaned?
• What component is primarily used for mooring operations?
• What type of valves are used to control or limit flow to the compressed air system?
• What mechanism is in place to prevent the orifice from clogging?
• What type of assembly drives the purifier?
• How many modes of operation does a vertical package conveyor have?
• What role does a dehumidifier play in maintenance of the MRG?
• In reverse osmosis water treatment, what is the primary purpose of the membrane?
• What drum is fitted with whelps to engage the anchor chain?
• How many times will the speed indicator plunge during normal operating speeds?
• What is a function of sea water compensated fuel storage tanks?
• Which component prevents overheating of the pump in the Auxiliary Machinery Cooling Water system?
• What gear type has teeth that are cut straight across the inside rim?
• In a rotary gear pump, what are the two spur gears referred to?
• True or False: Bearings are used to support and maintain alignment of rotating shafts.
• What component holds the purifier bowl stable while maintenance is performed?
• What type of heat exchanger is designed to cool steam back into its liquid form?
• What is the flow rate of the Delaval purifier?
• What device is used to remove large particulate matter from oil before it enters the OWS?
• What is the primary function of a dehydrafor?
• What type of tanks are specifically designed to remain full of liquids?
• What limits the flow through the recirculation line in the cooling system?
• What tubing material is unsatisfactory for high temperatures?
• What type of tank is utilized in the batch purification process?
• Which component is responsible for comparing the ordered and actual rudder angle indicators?
• What type of pump uses the throwing force of a rapidly revolving impeller?
• What must be done to the main propulsion shaft before inflating the shaft?
• Which pipe support device uses springs to accommodate thermal expansion?
• What does the term "EOSS" in the context of starting the purifier stand for?
• What is a common use of high-pressure air systems in industrial applications?
• Who is primarily responsible for the LOQM program?
• What is the distance from the keel to the waterline called?
• What type of synthetic oil is utilized in gas turbine engines?
• Which bearing is designed to carry a combination of radial and thrust load?
• How often should non-critical hoses be replaced?
• Which component is responsible for transmitting thrust from the propellers?
• What is the backup system used alongside the AMCW?
• Who ensures that all WCS are adequately trained and qualified?
• What type of device is the wildcat in an anchoring system?
• In a typical conveyor system, how frequently do the warning horns sound during operation?
• In engineering, how is force typically measured?
• What is the consequence of not tagging out and depressurizing a high-pressure air system before performing maintenance?
• What component is used to connect two pieces of shafting together?
• What is the maximum allowed limit of oil in overboard discharge when the ship is within 50 miles of land?
• How often should line shaft bearing temperatures and oil flow be monitored?
• Which type of bearing is considered a sliding type?
• What term describes the force of rotation in mechanical systems?
• What is the main feature of a bulkhead seal?
• Which oil classification is commonly used for oil monitoring in machinery?
• What system is employed for preserving food?
• When should oil-lubricated coupling be refilled?
• Who is accountable to the division officer for LOQM maintenance in their division?
• Heat transfer that occurs through physical contact between two fluids is known as?
• Which of the following is a key characteristic of potable water tanks?
• What is one key function of flexible hose assemblies?
• What component serves as the central control of a reverse osmosis (RO) plant?
• Which tank is responsible for storing oily waste prior to separation by the OWS?
• What is the waste material that is discharged from the distilling process?
• What is the main purpose of the auxiliary seawater main?
• The priming valve on the purifier creates which type of seal?
• Which color valve indicates LP air?
• What is the significance of using a refrigerant system in food preservation?
• What condition occurs if bubbles form in the pump casing?
• What instrument is utilized to measure the amount of oil in water that is discharged overboard?
• What device is primarily used to move fluid from one location to another?
• Polishers are designed to remove water and solids from LO using which components?
• How long does the warning horn sound for the conveyor?
• Which gear type allows adjustments in speed and torque without altering direction?
• What term describes the action of letting out the anchor line?
• Which type of coupling is typically used for high-speed applications?
• At what pressure does high-pressure air typically operate?
• What kind of flow occurs in an exchanger when the liquids enter from one side and exit in the same direction?
• What device is utilized to remove moisture and water vapor from the interior of the MRG?
• What component is used to remove large contaminants from the suction side of a hydraulic pump?
• Where is the propeller positioned on the main propulsion shaft?
• What supports the weight of the main propulsion shaft outside the hull of the ship?
• In what scenario would a sample connection be crucial in machinery?
• Which type of friction requires the least amount of energy to overcome?
• A fixed volume of liquid is discharged by a centrifugal pump. Is this statement true or false?
• Which factor could limit the application of copper tubing?
• Which device is crucial for ensuring that water does not leak around the shaft?
• What is used to measure the depth of a liquid?
• What pump is responsible for providing oil flow during the purification process?
• What component is used to control the raising and lowering of the anchor?
• What does a "Clear" indicator in a LO sample help to identify?
• What is the purpose of the MRC in relation to LO sampling?
• What is typically the primary output of a distillation process in seawater treatment?
• What component absorbs motion between resilient mounted machinery and fixed mounted piping systems?
• What type of tank is used for holding human waste on ships?
• What is used to start the Delaval purifier?
• Which document addresses grease in relation to NSTM?
• What process involves transferring oil from the sump to the settling tank?
• What are hose assemblies typically constructed of?
• What is an undesirable effect that the Delaval purifier helps prevent in lubricating oils?
• What type of hose does not have a specified shelf life?
• How is the Main Reduction Gear (MRG) characterized?
• Which of the following is a characteristic of variable spring hangers?
• How long is the Blow-Down valve operated on the compressor?
• For how long is LO heated in the settling tank during the purification process?
• How are ballast tanks installed below the waterline filled with seawater?
• Why is it important to lock the main propulsion shaft before certain operations?
• What is the function of strut bearings in a propulsion system?
• What type of heat exchanger is utilized in the Auxiliary Machinery Cooling Water system?