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Posted on: 5th Feb 2024

PG25370 Certificate in Marine Engineering Processes and Operations NFQ Level 5 Assignments Ireland

The PG25370 Certificate in Marine Engineering Processes and Operations, accredited at NFQ Level 5 in Ireland, encompasses essential skills for marine engineering. This program focuses on key processes and operations vital to the maritime industry. Learners will engage in a comprehensive curriculum covering marine engineering principles, maintenance procedures, and safety protocols. 

The coursework combines theoretical knowledge with practical applications, ensuring proficiency in managing marine systems. Successfully completing this certificate signifies competence in critical aspects of marine engineering, preparing individuals for roles within the maritime sector. The NFQ Level 5 certification demonstrates a foundational understanding of marine engineering processes and operations in accordance with Irish educational standards.

PG25370 Certificate in Marine Engineering Processes and Operations Continuous Assessment (20%)

Secure your progress in the PG25370 Certificate in Marine Engineering Processes and Operations with ongoing assignments, contributing to 20% of your overall assessment. These assignments delve into crucial aspects of marine engineering, assessing your understanding and application of key processes and operations. 

Stay on track, enhance your skills, and earn valuable marks by actively participating in these continuous assignments, ensuring a comprehensive grasp of the essential elements within the maritime engineering realm.

PG25370 Certificate in Marine Engineering Processes and Operations Skills Demonstration Assessment (80%)

Demonstrate your mastery of marine engineering through the PG25370 Certificate’s Skills Demonstration Assignments, comprising a substantial 80% of your overall assessment. These assignments are tailored to showcase your practical prowess in executing marine engineering processes and operations. 

Apply theoretical knowledge to real-world scenarios, proving your competence in this dynamic field. Successfully navigating these tasks ensures a robust foundation in marine engineering, aligning you with industry demands and reinforcing your readiness for diverse challenges in maritime operations.

Assignment Brief 1:- Discuss in detail, the function and operation of marine propulsion and auxiliary machinery, their associated equipment, and components.

Marine propulsion and auxiliary machinery play crucial roles in the operation of marine vessels. These systems are integral for the vessel’s movement and support various onboard functions. Let’s delve into the detailed discussion of their functions and operations, along with associated equipment and components.

Marine Propulsion:


Marine propulsion systems are designed to generate the necessary thrust for the vessel to move through water. Common propulsion methods include:

  • Diesel Engines: Widely used for their efficiency and reliability in providing mechanical power.
  • Gas Turbines: Utilized for high-speed vessels, offering high power-to-weight ratios.
  • Electric Propulsion: Increasingly popular for its environmental benefits and efficiency.


  • Diesel Engines: Combustion of fuel in cylinders produces rotational motion, driving the propeller.
  • Gas Turbines: Air is compressed, mixed with fuel, and ignited to produce a high-speed exhaust jet, turning a turbine connected to the propeller.
  • Electric Propulsion: Electric motors are powered by generators, which can be driven by diesel engines or gas turbines.

Auxiliary Machinery:


Auxiliary machinery supports various non-propulsion functions, ensuring the overall operation and safety of the vessel. Key components include:

  • Generators: Produce electrical power for lighting, navigation, and other electronic systems.
  • Pumps: Circulate water for cooling, fuel transfer, and firefighting.
  • Compressors: Provide compressed air for starting engines and operating pneumatic systems.


  • Generators: Convert mechanical energy (from diesel engines or turbines) into electrical power.
  • Pumps: Centrifugal pumps circulate water through the cooling system, while positive displacement pumps handle fuel transfer.
  • Compressors: Draw in air and compress it for various applications, including starting engines and pneumatic control systems.

Associated Equipment and Components:


  • Function: Convert the rotational energy from the propulsion system into thrust.
  • Components: Blades, hub, and pitch control mechanisms.

Shafting System:

  • Function: Transmit power from the engine to the propeller.
  • Components: Main propulsion shaft, bearings, and couplings.

Control Systems:

  • Function: Regulate engine speed, direction, and auxiliary machinery operation.
  • Components: Control consoles, sensors, and automation systems.

Cooling Systems:

  • Function: Prevent overheating of engines and other machinery.
  • Components: Heat exchangers, pumps, and piping.

In summary, the proper functioning of marine propulsion and auxiliary machinery, along with associated equipment, is essential for the safe and efficient operation of marine vessels.

Assignment Brief 2:- Diagnose problems with the operation of systems commonly found on board

Diagnosing problems with the operation of systems commonly found on board requires a systematic approach to identify and rectify issues. Let’s explore the key steps and considerations in diagnosing such problems:

System Identification:

  • Understand the function and components of the system in question.
  • Identify relevant technical documentation and manuals.

Data Collection:

  • Gather information about the symptoms, recent maintenance, and any abnormalities observed.
  • Utilize onboard monitoring systems and sensors for real-time data.

Visual Inspection:

  • Conduct a thorough visual inspection to identify visible signs of wear, damage, or leaks.
  • Inspect connections, fittings, and components for integrity.

Testing and Measurement:

  • Use diagnostic tools to measure parameters such as temperature, pressure, and voltage.
  • Conduct performance tests to compare observed values with specified norms.

Fault Isolation:

  • Systematically isolate components or subsystems to pinpoint the source of the problem.
  • Use troubleshooting charts and diagrams to guide the isolation process.

Communication with Crew:

  • Interview the onboard crew to gather additional information about recent events or observations.
  • Consider any abnormal noises, vibrations, or alarms reported by the crew.

Documentation Review:

  • Examine maintenance records and logbooks for recent repairs, replacements, or modifications.
  • Identify any recurring issues or patterns.

Collaboration with Technical Support:

  • Consult with shore-based technical support or manufacturers for remote assistance.
  • Utilize communication tools to share data and receive expert guidance.

Simulation and Testing:

  • If possible, simulate the identified problem in a controlled environment.
  • Conduct further tests to validate hypotheses and proposed solutions.

Corrective Action:

  • Based on the diagnosis, implement corrective measures such as repairs, replacements, or adjustments.
  • Ensure proper documentation of the actions taken.

Preventive Measures:

  • Identify root causes and implement preventive measures to avoid future occurrences.
  • Provide crew training on early detection and basic troubleshooting.

Feedback Loop:

  • Establish a feedback loop for continuous improvement.
  • Document lessons learned and update maintenance procedures accordingly.

In conclusion, a systematic and collaborative approach, involving both onboard personnel and technical support, is crucial for effectively diagnosing and resolving problems in the operation of systems on marine vessels.

Assignment Brief 3:- Explain the design & construction principles of a variety of vessels, including stability aspects

Understanding the design and construction principles of vessels is essential for maritime professionals. This knowledge includes various aspects, with stability being a critical component. Let’s explore the key points for this assignment:

Design Principles:

Hull Design:

  • Discuss the different types of hull designs, such as monohull and multihull configurations.
  • Explain the considerations for selecting an appropriate hull shape based on the intended use and environmental conditions.

Materials Selection:

  • Explore the materials used in vessel construction, including steel, aluminum, and composites.
  • Discuss the advantages and disadvantages of each material in terms of strength, weight, and corrosion resistance.

Propulsion Systems:

  • Detail various propulsion systems, such as traditional shaft propulsion, waterjets, and azimuth thrusters.
  • Explain the impact of propulsion system selection on vessel performance and maneuverability.

Construction Principles:

Shipbuilding Processes:

  • Describe traditional and modern shipbuilding processes, including plate cutting, welding, and modular construction.
  • Discuss how technological advancements have influenced shipbuilding techniques.

Structural Components:

  • Identify key structural components of a vessel, including the keel, frames, bulkheads, and decks.
  • Explain how these components contribute to the overall strength and integrity of the vessel.

Outfitting and Systems Integration:

  • Discuss the installation of onboard systems, such as navigation equipment, communication systems, and safety features.
  • Explore the integration of propulsion systems with the vessel’s overall design.

Stability Aspects:

Types of Stability:

  • Explain the concepts of static stability (initial stability) and dynamic stability (ongoing stability during motion).
  • Discuss the importance of maintaining a stable equilibrium to prevent capsizing.

Stability Criteria:

  • Detail stability criteria, including metacentric height (GM), righting arm, and the stability curve.
  • Highlight the significance of meeting stability standards set by regulatory bodies.

Factors Influencing Stability:

  • Explore factors affecting stability, such as weight distribution, metacentric height, and external forces (wind, waves).
  • Discuss the impact of loading conditions on stability.

Stability Regulations:

  • Provide an overview of international stability regulations and guidelines for different types of vessels.
  • Explain how compliance with these regulations ensures the safety of the vessel and its occupants.

Assignment Brief 4:- Execute a range of routine maintenance and operational tasks on common shipboard equipment and systems

Performing routine maintenance and operational tasks on shipboard equipment is crucial for the reliable and efficient operation of vessels. Here are the key points for this assignment:

Engine Room Maintenance:

  • Explain routine maintenance tasks for marine propulsion systems, including checks on engines, fuel systems, and cooling systems.
  • Detail the procedures for maintaining proper lubrication and addressing minor issues.

Electrical Systems Maintenance:

  • Discuss routine checks and maintenance tasks for electrical systems, generators, and distribution panels.
  • Explain the importance of regular inspections to prevent electrical failures.

Navigation Equipment Operation:

  • Provide instructions for routine checks and operational tasks related to navigation equipment, including radar, GPS, and communication systems.
  • Emphasize the importance of maintaining accurate and reliable navigation tools.

Safety Equipment Inspection:

  • Detail the procedures for inspecting and testing safety equipment such as lifeboats, life jackets, and firefighting equipment.
  • Explain the role of routine maintenance in ensuring the readiness of safety systems.

Fluid Systems Checks:

  • Discuss routine maintenance tasks for fluid systems, including fuel, hydraulic, and water systems.
  • Emphasize the significance of detecting and addressing leaks or abnormal conditions.

Hull and Deck Maintenance:

  • Provide guidelines for routine inspections of the vessel’s hull, deck, and superstructure.
  • Explain the procedures for addressing corrosion, paint maintenance, and structural integrity checks.

Propeller and Thruster Maintenance:

  • Detail routine maintenance tasks for propellers, thrusters, and related systems.
  • Emphasize the impact of proper maintenance on vessel maneuverability.

Record Keeping:

  • Stress the importance of maintaining comprehensive records of all routine maintenance activities.
  • Explain how accurate records contribute to a proactive maintenance approach.

Assignment Brief 5:- Detail safe working procedures to be followed in relation to operation, maintenance, and emergency situations.

Ensuring safe working procedures is paramount in maritime operations. This assignment focuses on detailing safe practices for various scenarios:

Operation Procedures:

  • Outline safe procedures for starting, operating, and shutting down main propulsion systems and auxiliary machinery.
  • Emphasize the importance of following manufacturer guidelines and vessel-specific procedures.

Maintenance Procedures:

  • Provide guidelines for conducting safe maintenance activities, including lockout/tagout procedures and personal protective equipment (PPE) requirements.
  • Highlight the significance of proper training for maintenance tasks.

Emergency Situations:

  • Detail emergency response procedures for scenarios such as fire, flooding, and man overboard situations.
  • Include the use of emergency equipment, communication protocols, and evacuation procedures.

Handling Hazardous Materials:

  • Explain safe handling, storage, and disposal procedures for hazardous materials commonly found on board.
  • Address the importance of crew training in dealing with hazardous substances.

Personal Safety Protocols:

  • Emphasize the importance of personal safety measures, including the use of appropriate PPE and adherence to established safety protocols.
  • Provide guidelines for working at heights, in confined spaces, and during adverse weather conditions.

Communication Protocols:

  • Outline communication procedures to ensure effective coordination during routine operations and emergency situations.
  • Highlight the significance of clear and concise communication in preventing accidents.

Training and Drills:

  • Explain the necessity of regular safety training and emergency drills for the crew.
  • Detail the types of drills conducted, including fire drills, abandon ship drills, and medical emergency simulations.

Compliance with Regulations:

  • Stress the importance of adhering to international maritime safety regulations and guidelines.
  • Provide references to relevant safety codes and conventions.

In summary, this assignment focuses on instilling a comprehensive understanding of safe working procedures in the operation, maintenance, and emergency situations aboard marine vessels. It encompasses both routine practices and responses to critical scenarios, fostering a culture of safety among the crew.

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