SET - 2 | PSSR Exit Exam Mock - Questions and Answers - 2026

When work is conducted in radar masts, there is a serious risk of injury from electromagnetic radiation should the radar units be inadvertently activated. Placing a fixed warning sign directly on the control panel or switch of each radar unit clearly indicates that personnel are aloft and prohibits the energizing of the equipment, thereby preventing accidental activation and safeguarding the lives of those working in the mast. This critical safety measure aligns with general maritime safety regulations, including lockout/tagout procedures and safe working practices for hazardous energy sources.

RADAR is an acronym for "Radio Detection and Ranging," which precisely describes its operational principle. This essential navigation equipment transmits radio waves to detect objects and then measures the elapsed time for the echo to return, thereby calculating their exact range and bearing. Its correct understanding and proficient use are fundamental competencies required by STCW and vital for maintaining maritime safety and collision avoidance as outlined in SOLAS Chapter V.

The IMO Assembly, as the supreme organ, comprises all member states, providing a forum for them to collectively discuss and decide upon the Organization's work program and budget, thereby ensuring broad international consensus on maritime safety and environmental protection matters. This inclusive structure allows every nation to contribute to the development and implementation of global maritime standards mandated by conventions like SOLAS and STCW. Therefore, the Assembly is the sole organ where representation is universal among all IMO member states.

The International Convention for the Prevention of Pollution from Ships (MARPOL) is structured into exactly six distinct Annexes, each addressing a specific type of marine pollution. These Annexes sequentially cover regulations for the prevention of pollution by oil, noxious liquid substances, harmful substances carried by sea in packaged form, sewage, garbage, and air pollution from ships. Therefore, the correct answer is Six.

A totally enclosed lifeboat designed for fire protection relies on a self-contained compressed air system when enveloped in flames. This system maintains a positive internal pressure, supplying vital breathable air for the occupants and clean combustion air for the engine, thereby preventing the ingress of smoke and toxic gases. SOLAS LSA Code mandates this air supply must be sufficient to ensure safe operation for a minimum of 10 minutes in such hazardous fire conditions.

As per STCW 2010 Regulation I/9 and Section A-I/9, the maximum period of validity for a seafarer's medical certificate is two years. This requirement ensures the continuous assessment of a seafarer's fitness for duty, directly contributing to the highest standards of maritime safety by ensuring all crew are medically fit to perform their duties at sea.

Alcohol is globally recognized as the most frequently abused psychoactive substance, and its widespread misuse directly compromises maritime safety and operational effectiveness. Its impairing effects contravene STCW fitness for duty standards and undermine the rigorous demands for vigilance, judgment, and physical capability essential for safe navigation and marine engineering operations under SOLAS. Consequently, strict adherence to comprehensive drug and alcohol policies is critical to prevent accidents and ensure the safety of life at sea.

Annex IV of MARPOL aims to control sewage discharge, but its universal enforcement is not yet complete, leading to varying national regulations. Therefore, while some nations have adopted stringent requirements for sewage treatment plants, others may still have less developed regulations regarding onboard sewage management.

The correct answer is (D) All the above. Oil pollution onboard a vessel, and subsequently to the marine environment, can be inadvertently caused or managed by the outlined processes; the improper use or failure of oil filtering equipment (A), intentional or accidental discharge via ODMCS (B), and inefficient management or uncontrolled incineration of oil waste and sludge (C) all contribute to the potential for oil pollution as per MARPOL Annex I regulations. Proper operation and maintenance of all these systems are critical for preventing oil pollution and adhering to international maritime safety and environmental standards.

A Suezmax vessel, by definition, refers to tankers that are large enough to transit the Suez Canal fully laden. This size is generally accepted within the industry to be between 120,000 and 199,999 DWT, representing the maximum beam and draft limitations for passage.

Suffocation is the direct result of a critical lack of breathable oxygen, preventing the body from performing vital respiratory functions. This is a paramount concern in maritime safety, particularly within confined spaces onboard vessels where oxygen depletion due to cargo, corrosion, or inerting systems can rapidly create life-threatening atmospheres, requiring strict adherence to STCW and SOLAS safety protocols for entry.

According to SOLAS Chapter III, Regulation 20, both every lifeboat and every rescue boat are required to be launched and operated on the water at least once in every three months to ensure their operational readiness and the proficiency of the crew. This regular testing is crucial for effective emergency response, confirming the functionality of launching appliances and the boats themselves, as well as familiarizing personnel with their deployment procedures. Therefore, Option D accurately reflects these mandatory requirements for both lifeboats and rescue boats.

Cutting and welding operations on deck constitute hot work, generating extreme heat, sparks, and molten material that present a significant fire hazard in an environment potentially exposed to flammable substances. Consequently, a hot work permit is mandatory under SOLAS Chapter II-2 and all recognized Safety Management Systems to ensure thorough risk assessment, gas freeing, continuous fire watch, and readily available firefighting equipment. This rigorous permit-to-work system is a critical control measure to prevent catastrophic fires or explosions onboard.

All individuals listed, including overweight persons, those with acrophobia, or inadequately rested personnel, pose a significant safety risk during aloft work. Maritime safety regulations and best practices, such as those outlined in SOLAS and STCW, mandate that only fit, able-bodied individuals capable of performing their duties safely should undertake hazardous tasks at height to prevent accidents and ensure operational integrity. Therefore, allowing any of these individuals to perform aloft work would contravene established safety protocols and potentially endanger themselves and others.

The Oil Record Book is specifically mandated by MARPOL Annex I to meticulously document all operational and accidental discharges of oil, as well as all oil transfers, ensuring compliance with international regulations for preventing marine pollution. This specialized log is the sole official record for tracking oil movement on board and its disposition. Therefore, it is the correct document for maintaining complete records on oil transfers.

A permit to work is generally valid for a maximum of 24 hours to ensure that hazards are regularly re-assessed and that safety controls remain effective throughout the duration of the work. This time limit is a standard maritime safety practice to mitigate risks associated with evolving working conditions and personnel changes. Exceeding this validity without re-issuance can lead to outdated risk assessments and compromised safety measures.

The radiotelephone urgency signal is "Pan-Pan" (pronounced 'pahn-pahn'), which is correctly used to prefix messages concerning the safety of a vessel or, specifically, a person, when there is an urgent situation but not immediate grave and imminent danger requiring immediate assistance. This signal, defined by the ITU Radio Regulations and foundational to GMDSS procedures under SOLAS, effectively communicates a critical safety concern without escalating to a distress situation.

Boiler suits, or overalls, are designed as protective clothing to guard the wearer's skin against splashes of hot water, steam, oil, grease, and other hazardous substances encountered in engine rooms and machinery spaces. This vital personal protective equipment, mandated by maritime safety standards like SOLAS and STCW, ensures a barrier is maintained between the body's skin and potential burn or chemical hazards. Therefore, their primary function is to protect the skin.

According to SOLAS, while checklists are valuable, they are not explicitly mandated to be included *within* the instructional documentation for onboard maintenance of life-saving appliances; rather, the focus is on clear operational instructions. The regulations require specific information like replaceable parts, maintenance schedules, and logs for a comprehensive approach to LSA upkeep. Therefore, a dedicated checklist for periodic inspections, while good practice, is not a mandatory inclusion in the appliance's instructional manual itself.

On-board familiarization, as mandated by STCW Code, is crucial for immediate operational readiness and safety, therefore it must commence within 24 hours of joining to ensure the cadet understands critical safety procedures and their duties from the outset. This timely induction prevents accidents and promotes efficient integration into the vessel's operations, adhering to established maritime safety standards. Delaying this process beyond 24 hours would violate the intent and requirements for ensuring personnel are adequately prepared to perform their roles safely and effectively.

As per international maritime regulations and safety standards, the individual crew member directly found committing the offense of drug abuse is personally responsible for the fines incurred. This reflects the principle of individual accountability for actions that violate laws and safety protocols onboard. The employer's responsibility typically lies in implementing and enforcing strict drug and alcohol policies, and providing a safe working environment, not in absorbing fines for individual illegal acts.

In the demanding maritime environment, governed by STCW and ISM Code principles, communication must be precise and efficient. Providing lengthy explanations for simple matters directly indicates a lack of conciseness, which is critical for clear understanding, timely decision-making, and maintaining safety during watchkeeping and emergency situations. Lack of conciseness wastes valuable time and can introduce ambiguity, directly conflicting with established operational and safety standards for effective information exchange.

Annex III of MARPOL 78, titled "Prevention of Pollution by Harmful Substances Carried by Sea in Packaged Form," specifically addresses the regulation of harmful substances when they are transported in packaged containers, such as drums, boxes, and freight containers, ensuring their safe containment and carriage to prevent marine pollution. This Annex implements the International Maritime Dangerous Goods (IMDG) Code requirements related to pollution prevention during such voyages, aligning with the broader objectives of safeguarding the marine environment from chemical spills. Therefore, Option C accurately reflects the subject matter covered by Annex III.

High concentrations of Hydrogen Sulfide (H2S) gas are acutely dangerous because they rapidly depress and then paralyze the respiratory system, leading to immediate cessation of breathing and unconsciousness. This neurotoxic effect, even at relatively low parts per million, underscores the critical importance of robust enclosed space entry procedures and gas detection as mandated by maritime safety standards derived from SOLAS and STCW.

MARPOL Annex II specifically regulates the control of pollution by noxious liquid substances when transported in bulk. This annex establishes stringent operational requirements, discharge standards, and tank cleaning procedures to prevent and minimize harmful discharges into the marine environment.

When a safety or pollution hazard is observed during fuel transfer, the paramount first action is to immediately shut down the transfer operation. This direct intervention stops the source of the danger, preventing escalation and mitigating potential harm to personnel, the MODU, and the marine environment, in line with MARPOL and the ISM Code's emphasis on immediate hazard control. Subsequent actions, such as notification, can then be taken safely after the immediate risk is contained.

Option D is correct because detailed, technical information regarding ship systems, maintenance procedures, and safety protocols, which are critical under SOLAS and STCW, are best conveyed with the precision and visual clarity that written descriptions and diagrams provide, ensuring accurate understanding and execution by mariners. This written record also serves as crucial documentation for compliance and future reference, unlike the transient nature of verbal communication.

The flash point, as precisely defined in SOLAS and maritime safety standards, is the lowest temperature at which a liquid gives off sufficient flammable vapors to form an ignitable mixture with air near the liquid's surface. This critical parameter is fundamental for assessing the fire hazard potential of fuels and other liquids onboard vessels. Understanding flash point is essential for safe handling, storage, and operational procedures to prevent fire and explosion as per STCW competencies and marine engineering principles.

Drug and alcohol abuse onboard unequivocally compromises a seafarer's judgment and performance, directly violating STCW fitness for duty standards, and this impairment can lead to severe criminal proceedings against the individual, including certificate revocation. Critically, such non-compliance with fundamental maritime safety and ISM Code requirements can result in the detention of the vessel by Port State Control under SOLAS, thus making 'All of the above' the correct and comprehensive answer encompassing these severe consequences.

Your greatest concern must be the risk of ignition, as attempting to separate two vessels, especially a tanker, after a collision can generate sparks that may ignite flammable cargo or substances, leading to a catastrophic fire or explosion in accordance with SOLAS and IMO guidelines for hazardous cargo operations. This scenario poses the most immediate and severe threat to life and property among the given options. Therefore, any separation maneuver must be executed with extreme caution and the highest safety protocols in place to mitigate this specific risk.