I85PREP
⌘ K
NIMASA STCW Tanker Familiarization study materials
NIMASA STCW Tanker Familiarization study resources

NIMASA STCW Tanker Familiarization practice questions

One question at a time. Build your NIMASA STCW Tanker Familiarization understanding.

First 50 of 200 questions. Each one lists the choices, the correct answer, and an explanation. The checker at the top of this page saves progress in this browser when it is available.

Continue in the practice tool above to load more questions, 50 at a time.

Question 1Tanker types, cargo hazards and safety culture

Under the STCW Convention, which document must every seafarer serving on board a tanker hold to demonstrate basic safety training before being assigned duties?

  1. A company-issued uniform issue slip
  2. A valid radar observer endorsement
  3. A national identity card only
  4. A certificate of basic safety training or equivalent documented instruction Correct answer.

Explanation

STCW requires that seafarers complete basic safety training covering personal survival, fire prevention, elementary first aid and personal safety before assignment to shipboard duties, and the training must be documented. A tanker familiarization course builds on this foundation rather than replacing it.

Question 2Tanker types, cargo hazards and safety culture

Which statement best describes the primary purpose of the STCW tanker familiarization training for ratings and officers assigned to tankers?

  1. To give basic knowledge of tanker types, cargo hazards and safe routine operations under supervision Correct answer.
  2. To certify the holder as a chief engineer of gas carriers
  3. To replace the ship-specific familiarization conducted on board
  4. To qualify the holder to command any tanker without further training

Explanation

Tanker familiarization provides the foundational knowledge of tanker arrangements, cargo characteristics and hazards so a person can serve safely under supervision. It is not a command qualification and does not remove the need for ship-specific familiarization on joining a vessel.

Question 3Tanker types, cargo hazards and safety culture

A crude oil tanker is designed with cargo tanks separated from the machinery space by cofferdams. What is the main safety purpose of these cofferdams?

  1. To increase cargo carrying capacity
  2. To store fresh water for the crew
  3. To house the cargo pump motors
  4. To provide a barrier preventing leakage of cargo or vapours into machinery spaces Correct answer.

Explanation

Cofferdams are void spaces forming a physical barrier between cargo tanks and machinery or accommodation spaces, limiting the spread of flammable vapours and liquid cargo. They also allow monitoring for leaks. They do not add cargo capacity.

Question 4Tanker types, cargo hazards and safety culture

Which tanker type typically carries cargo at atmospheric pressure and is fitted with a vapour return connection for shore loading?

  1. A liquefied natural gas carrier
  2. A crude oil tanker Correct answer.
  3. A liquefied petroleum gas carrier
  4. A fully refrigerated ethylene carrier

Explanation

Crude oil tankers carry liquid cargo at essentially atmospheric pressure and use vapour return lines to control emissions and pressure during loading. Gas carriers handle cargo under pressure, refrigeration or both, which imposes different containment requirements.

Question 5Tanker types, cargo hazards and safety culture

In the context of tanker operations, what does the term flashpoint describe?

  1. The temperature at which cargo freezes solid
  2. The temperature at which a liquid gives off sufficient vapour to ignite momentarily when exposed to an ignition source Correct answer.
  3. The pressure at which a cargo tank ruptures
  4. The temperature at which cargo spontaneously ignites without any ignition source

Explanation

Flashpoint is the lowest temperature at which a liquid releases enough vapour to form an ignitable mixture near its surface. It is a key indicator of fire hazard and underpins classification of petroleum products as low or high flashpoint cargoes.

Question 6Tanker types, cargo hazards and safety culture

Which hazard is most directly associated with the static electricity generated during loading of petroleum products into cargo tanks?

  1. Corrosion of the tank coating
  2. Formation of ice in the cargo line
  3. Reduction of cargo viscosity
  4. Ignition of flammable vapour by a static discharge Correct answer.

Explanation

Static electricity accumulates as cargo flows through pipes and splashes into tanks, and a discharge can ignite flammable vapour in the ullage space. Bonding and controlled loading rates are used to manage this risk.

Question 7Tanker types, cargo hazards and safety culture

Why are tanker crew required to wear anti-static footwear and avoid synthetic clothing during cargo operations?

  1. To improve grip on oily walkways only
  2. To protect the deck plating from chemical attack
  3. To reduce the risk of electrostatic discharge igniting flammable cargo vapour Correct answer.
  4. To comply with noise regulations in port

Explanation

Anti-static footwear and clothing dissipate body charge safely to deck, reducing the chance of a spark in areas where flammable vapour may be present. Synthetic garments can accumulate charge and produce discharges.

Question 8Tanker types, cargo hazards and safety culture

Which of the following best defines the safety culture expected on board a tanker?

  1. A policy that discourages reporting of near misses to avoid paperwork
  2. A system in which only the master is responsible for identifying hazards
  3. A procedure applied only during port state control inspections
  4. A set of shared values and behaviours in which hazards are openly reported and safety is treated as everyone's responsibility Correct answer.

Explanation

Safety culture describes shared attitudes and practices where personnel at all levels identify and report hazards and near misses without fear of blame. It is continuous and not limited to inspections or a single individual.

Question 9Tanker types, cargo hazards and safety culture

A rating is asked to open a cargo tank hatch to dip the tank manually. Which action best reflects safe practice on a tanker?

  1. Use the fixed gauging system and obtain permission before any manual opening, following enclosed space procedures Correct answer.
  2. Ask another rating to hold the hatch while you look in
  3. Open the hatch only if the wind is blowing from astern
  4. Open the hatch fully and look inside to check the liquid level

Explanation

Manual tank opening releases toxic and flammable vapour and can expose the person to an oxygen-deficient atmosphere. Fixed gauging systems should be used, and any opening requires authorisation and control measures consistent with enclosed space entry procedures.

Question 10Tanker types, cargo hazards and safety culture

During loading of a volatile petroleum cargo, the tank pressure rises faster than expected. What is the most appropriate immediate action for the watchkeeper?

  1. Open the tank to atmosphere by hand
  2. Increase the loading rate to finish quickly
  3. Stop or reduce loading and investigate the cause, checking vents and vapour return Correct answer.
  4. Continue loading and note the pressure in the log later

Explanation

Rising pressure indicates a restriction or venting problem, and continuing at high rate risks overpressure and structural damage. The safe response is to stop or reduce flow and investigate vents, vapour return and gauging before resuming.

Question 11Tanker types, cargo hazards and safety culture

A tanker is loading a cargo with a flashpoint below 60 degrees Celsius. Which precaution is most directly required in the cargo tank area?

  1. Using open flame heaters to keep cargo warm
  2. Prohibiting all sources of ignition and using certified flameproof equipment Correct answer.
  3. Permitting smoking only on the forecastle
  4. Allowing mobile phones in the cargo control room only

Explanation

Low flashpoint cargoes release flammable vapour that can ignite at ambient temperature, so ignition sources must be excluded from the cargo area and only certified flameproof equipment used. Smoking and personal electronic devices are controlled accordingly.

Question 12Tanker types, cargo hazards and safety culture

Why is inert gas used in the cargo tanks of a crude oil tanker during discharge?

  1. To provide breathing air for personnel entering the tank
  2. To cool the cargo to its freezing point
  3. To maintain the tank atmosphere below the level at which flammable vapour can ignite Correct answer.
  4. To increase the oxygen content so cargo flows more freely

Explanation

Inert gas, typically flue gas with low oxygen, keeps the tank atmosphere below the critical oxygen concentration so that hydrocarbon vapour cannot ignite. It is not breathing air and does not alter cargo flow.

Question 13Tanker types, cargo hazards and safety culture

Which situation would most likely require the use of a gas detector before allowing personnel into a pump room?

  1. An inspection performed only by the chief officer
  2. A routine inspection after the pump room has been ventilated and tested Correct answer.
  3. An entry made only when the ship is at anchor
  4. A check of the pump room only after a smell of cargo is reported

Explanation

Pump rooms are enclosed spaces where hydrocarbon vapour can accumulate, so ventilation followed by atmospheric testing is required before entry regardless of who enters. Testing only after a smell is reported is too late and unreliable.

Question 14Tanker types, cargo hazards and safety culture

A gas carrier's cargo is carried at a temperature of minus 160 degrees Celsius. Which hazard is most specific to this condition?

  1. Spontaneous combustion of the cargo
  2. Rapid corrosion of aluminium alloys
  3. Cold burns and brittle fracture of steel structures Correct answer.
  4. Increased flashpoint of the cargo

Explanation

Cryogenic cargoes can cause severe cold burns on contact and can embrittle ordinary steel, so specially selected materials and protective equipment are required. The cargo is not spontaneously combustible and low temperature does not raise flashpoint.

Question 15Tanker types, cargo hazards and safety culture

Which of the following describes the role of a permit-to-work system during tanker maintenance?

  1. It formally authorises specific work after identified precautions have been verified Correct answer.
  2. It allows any crew member to start hot work at their own discretion
  3. It replaces the need for gas testing in the area
  4. It is required only for work lasting more than one week

Explanation

A permit-to-work system documents that hazards have been assessed and precautions such as isolation and gas testing are in place before work begins. It does not remove the need for testing and cannot be self-authorised.

Question 16Tanker types, cargo hazards and safety culture

During a cargo transfer, a small leak is noticed at a flange on deck. What is the most appropriate first response?

  1. Wash the leak overboard with a hose without reporting
  2. Continue transfer and repair the flange under pressure
  3. Stop the transfer, isolate the line if possible, and report to the responsible officer Correct answer.
  4. Ignore it because the leak is small

Explanation

Any leak of cargo is a hazard because of flammability, toxicity and pollution potential, so transfer should be stopped and the line isolated where practicable while the responsible officer is informed. Repairing under pressure is dangerous and washing overboard creates pollution.

Question 17Tanker types, cargo hazards and safety culture

Which statement correctly distinguishes a toxic hazard from a flammable hazard for a petroleum cargo?

  1. Both terms describe the same ignition property
  2. Toxicity concerns harm to health from exposure, while flammability concerns ignition of vapour Correct answer.
  3. Toxicity applies only to gas carriers and flammability only to oil tankers
  4. Toxicity concerns ignition of vapour, while flammability concerns harm to health

Explanation

Toxicity relates to the harmful effects of a substance on the human body through inhalation, ingestion or skin contact, whereas flammability relates to the ability of vapour to ignite. Both hazards can exist in the same cargo and require separate controls.

Question 18Tanker types, cargo hazards and safety culture

What is the primary reason for maintaining a positive pressure of inert gas in cargo tanks during a voyage?

  1. To reduce the ship's fuel consumption
  2. To increase cargo density
  3. To keep the cargo warm
  4. To prevent air ingress that could create a flammable atmosphere Correct answer.

Explanation

A slight positive inert gas pressure prevents air from entering the tank through leaks or breathing, which could raise oxygen levels into the flammable range. It has no meaningful effect on cargo density or fuel consumption.

Question 19Tanker types, cargo hazards and safety culture

A crew member reports a near miss in which a portable lamp was taken into a cargo pump room without a gas test. How should this be handled under a positive safety culture?

  1. Wait until the next port state control inspection to address it
  2. Ignore it because no injury occurred
  3. Discipline the reporter to discourage further reports
  4. Record and investigate the near miss to identify and correct the underlying procedure gap Correct answer.

Explanation

Near-miss reporting is a cornerstone of safety culture because it exposes weaknesses before harm occurs. The report should be recorded and investigated so that procedures and equipment controls are improved.

Question 20Tanker types, cargo hazards and safety culture

Which of the following best explains why cargo tanks on an oil tanker are fitted with high-level alarms?

  1. To warn before overflow occurs during loading Correct answer.
  2. To measure the cargo's flashpoint
  3. To control the cargo pump speed automatically
  4. To detect corrosion inside the tank

Explanation

High-level alarms alert the watchkeeper as a tank approaches its filling limit so that loading can be stopped before overflow. Overflow of petroleum cargo creates fire, pollution and personnel hazards.

Question 21Tanker types, cargo hazards and safety culture

A tanker is to load a cargo that is heavier than water and highly toxic. Which combination of precautions is most appropriate?

  1. Load only at night to reduce evaporation
  2. Rely on smell to detect leaks and load at maximum rate
  3. Use closed loading with vapour control, gas detection, and personnel protective equipment Correct answer.
  4. Load with open hatches to allow visual monitoring

Explanation

Heavy toxic cargoes present serious health and environmental risks, so closed loading with vapour control, continuous gas detection and appropriate protective equipment are essential. Relying on odour or open hatches increases exposure and release.

Question 22Tanker types, cargo hazards and safety culture

Why is bonding of cargo lines and tanks to the ship's hull important during loading of low-conductivity petroleum products?

  1. It improves the accuracy of tank gauging
  2. It equalises electrical potential so that static discharges do not occur between components Correct answer.
  3. It prevents the cargo from freezing
  4. It increases the flashpoint of the cargo

Explanation

Bonding connects all conductive parts to a common potential so that charge cannot accumulate and discharge across a gap. This is especially important for low-conductivity products where static charge dissipates slowly.

Question 23Tanker types, cargo hazards and safety culture

An officer proposes entering a cargo tank that has been water-washed but not yet gas-freed to retrieve a dropped tool. What is the correct assessment?

  1. Entry is acceptable if the visit lasts less than two minutes
  2. Entry is acceptable if the officer holds a tanker familiarization certificate
  3. Entry must not proceed until the tank is gas-freed, ventilated and tested and a valid entry permit is issued Correct answer.
  4. Entry may proceed because the tank was washed

Explanation

Water washing does not remove the risk of hydrocarbon vapour or oxygen deficiency, so the tank must be gas-freed, ventilated and tested before entry under a valid permit. Holding a familiarization certificate or limiting duration does not make an unsafe atmosphere safe.

Question 24Tanker types, cargo hazards and safety culture

A gas carrier is loading a cargo whose vapour is denser than air. Where should gas detection be focused and why?

  1. At the top of the tank because vapour rises
  2. At low points and bilges because the vapour tends to accumulate there Correct answer.
  3. Only on the bridge because that is where alarms are displayed
  4. At the bow because wind carries vapour forward

Explanation

Vapour denser than air settles in low-lying areas such as bilges, pump rooms and tank bottoms, so detection and ventilation must address those spaces. Placing detection only high up or far from the source would miss accumulation.

Question 25Tanker types, cargo hazards and safety culture

Which statement best explains why tanker familiarization training emphasises understanding of the International Safety Guide for Oil Tankers and Terminals (ISGOTT) principles?

  1. Because ISGOTT is a certification exam syllabus
  2. Because ISGOTT provides industry guidance on safe tanker and terminal operations that supports regulatory requirements Correct answer.
  3. Because ISGOTT applies only to gas carriers
  4. Because ISGOTT replaces all national legislation

Explanation

ISGOTT is an industry guide setting out recommended practice for safe operation of oil tankers and terminals, complementing statutory requirements. It is not legislation, does not cover only gas carriers and is not itself an examination syllabus.

Question 26Tanker types, cargo hazards and safety culture

Under the ISGOTT framework familiar to tanker crews, which document records the agreed cargo transfer rate, the maximum line pressure and the emergency stop signal before operations begin?

  1. The cargo tank calibration tables
  2. The vessel's stability booklet
  3. The ship/shore safety checklist Correct answer.
  4. The crew's familiarization record

Explanation

The ship/shore safety checklist is completed jointly by the ship and the terminal before transfer starts and confirms that rate, pressure limits, communications and emergency signals have been agreed by both parties. It is a living document that must be revisited if conditions change during the operation.

Question 27Tanker types, cargo hazards and safety culture

A petroleum cargo has a flashpoint of 45 degrees Celsius. How is this cargo classified for the purpose of tanker fire precautions?

  1. As a non-combustible cargo requiring no vapour control
  2. As a cargo that can only ignite once heated above its boiling point
  3. As a cargo exempt from inerting because it is above ambient temperature
  4. As a flammable cargo because the flashpoint is below 60 degrees Celsius Correct answer.

Explanation

Petroleum cargoes with a flashpoint below 60 degrees Celsius are treated as flammable for tanker safety purposes, so precautions such as inerting, vapour control and ignition-source exclusion apply. The flashpoint is the lowest temperature at which sufficient vapour forms to ignite, so a low value signals a persistent vapour hazard.

Question 28Tanker types, cargo hazards and safety culture

A tanker is about to load a cargo whose vapour is heavier than air. Where should fixed and portable gas detection be concentrated, and why?

  1. At the manifold only, because that is the sole point where vapour can escape
  2. Along the main deck only, because wind disperses vapour evenly
  3. At the top of the tanks, because vapour rises as the cargo warms
  4. In low-lying spaces such as pump rooms and bilges, because the vapour accumulates there Correct answer.

Explanation

Vapour heavier than air sinks and collects in low-lying or enclosed spaces such as pump rooms, cofferdams and bilges, so these are where an explosive or toxic atmosphere is most likely to build up. Detection must therefore target those spaces rather than high points.

Question 29Tanker types, cargo hazards and safety culture

A rating is told to take a sounding from the open deck of a tank that has just been loaded with a volatile product. Which combination of measures best reflects accepted safe practice?

  1. Take the sounding alone and without telling anyone, to save time during the watch
  2. Open the hatch fully first so that vapour disperses quickly before gauging
  3. Use closed or restricted gauging equipment, stand clear of the vapour path and avoid ignition sources Correct answer.
  4. Stand downwind of the ullage opening and use a naked flame to check for vapour

Explanation

Closed or restricted gauging keeps the cargo vapour inside the tank and limits release to the atmosphere, while standing clear of the vapour path and excluding ignition sources controls the remaining risk. Procedures should be followed with the operation known to the responsible officer.

Question 30Tanker types, cargo hazards and safety culture

During a cargo operation, an officer notices that a junior crew member has bypassed a permit condition to speed up a repair. Which response best reflects the safety culture expected on a tanker?

  1. Record the deviation in the logbook only after the voyage ends
  2. Stop the task, restore the permit conditions and report the deviation through the safety system Correct answer.
  3. Ignore the deviation because the repair was completed without incident
  4. Reprimand the crew member privately and take no further action

Explanation

A positive safety culture treats permit deviations as serious even when no harm occurred, so the task is stopped, the controls are reinstated and the event is reported so that lessons can be shared. Reporting near misses and deviations is how latent failures are identified before they cause an accident.

Question 31Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Under STCW, which document must a tanker familiarization trainee hold before being assigned duties on a tanker?

  1. A GMDSS General Operator Certificate
  2. A Chief Mate unlimited certificate of competency
  3. A shipyard tank inspection certificate
  4. A valid medical fitness certificate plus basic safety training certification Correct answer.

Explanation

STCW requires seafarers to hold a valid medical certificate and to complete basic safety training before sea service. Tanker familiarization is the next step and is recorded as a flag-State-issued certificate of proficiency or course completion. Without the medical and basic safety prerequisites, tanker training cannot be validly completed.

Question 32Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

What is the minimum age for a seafarer to be issued a certificate of proficiency under STCW?

  1. 21 years
  2. 16 years Correct answer.
  3. 20 years
  4. 18 years

Explanation

STCW sets the minimum age for certification at 16 years, reflecting the entry-level nature of ratings and familiarization training. Higher age thresholds exist only for specific national requirements, not the Convention baseline. Sixteen is therefore the correct Convention figure.

Question 33Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Which MARPOL Annex governs the prevention of pollution by oil from ships?

  1. Annex I Correct answer.
  2. Annex VI
  3. Annex IV
  4. Annex II

Explanation

MARPOL Annex I contains the regulations for preventing oil pollution, including oily water discharge limits and the Oil Record Book. Annex II covers noxious liquid substances in bulk, Annex IV sewage and Annex VI air pollution. Tanker officers must know which Annex applies to the cargo they carry.

Question 34Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Under MARPOL Annex I, the Oil Record Book Part I must record which of the following?

  1. Cargo tank cleaning and discharge of dirty ballast
  2. Ballasting or cleaning of oil fuel tanks Correct answer.
  3. Garbage disposal overboard
  4. Sewage treatment plant maintenance

Explanation

Oil Record Book Part I covers machinery-space operations including ballasting or cleaning of oil fuel tanks and disposal of oily residues. Cargo and ballast operations for oil tankers go in Part II. Garbage and sewage have their own separate record books under other Annexes.

Question 35Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

A tanker is preparing to discharge cargo in a port where the national authority requires advance notification under MARPOL. Who is responsible for ensuring the notification is submitted?

  1. The port agent, as the local representative
  2. The master, as the person in command of the ship Correct answer.
  3. The charterer, as the commercial operator
  4. The classification society surveyor

Explanation

MARPOL places reporting obligations on the master, who is responsible for compliance with the Convention on board. The master ensures the required pre-arrival notification reaches the port State through the agreed channel. Agents may transmit the message but do not carry the legal responsibility.

Question 36Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Which SOLAS chapter contains the International Safety Management Code requirements for ships?

  1. Chapter V
  2. Chapter VII
  3. Chapter II-1
  4. Chapter IX Correct answer.

Explanation

SOLAS Chapter IX makes the ISM Code mandatory for ships, requiring a Safety Management System and Document of Compliance. Chapter II-1 deals with construction and Chapter V with navigation safety. Chapter VII covers dangerous goods carriage.

Question 37Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Under SOLAS, what is the purpose of the muster list displayed on a tanker?

  1. To list the ship's certificates of class
  2. To document cargo tank inspection intervals
  3. To record the crew's watchkeeping rotation
  4. To assign each crew member specific emergency duties and survival craft stations Correct answer.

Explanation

The muster list required by SOLAS assigns emergency duties and survival craft stations to every person on board. It must be posted before the ship sails and updated when crew change. It does not record watch rotations, certificates or cargo inspections.

Question 38Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Which document under SOLAS is issued to a ship to confirm it complies with the International Safety Management Code?

  1. International Oil Pollution Prevention Certificate
  2. Safety Management Certificate Correct answer.
  3. Load Line Certificate
  4. Cargo Ship Safety Construction Certificate

Explanation

The Safety Management Certificate is issued after an audit confirming the ship operates in accordance with its approved Safety Management System. It is distinct from statutory certificates covering construction, pollution prevention or load line. It is valid for five years subject to intermediate verification.

Question 39Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

What is the status of ISGOTT in relation to tanker operations?

  1. A binding IMO Convention ratified by all flag States
  2. An industry guidance document used as a standard reference for safe oil tanker and terminal operations Correct answer.
  3. A port State regulation applying only to terminals
  4. A classification society rule set for tanker construction

Explanation

ISGOTT is produced jointly by industry bodies including OCIMF and ICS and serves as a widely used reference for safe tanker and terminal operations. It is guidance rather than a Convention, though contracts and port requirements often make compliance effectively mandatory. It does not set construction rules or port State law.

Question 40Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

ISGOTT requires a Ship/Shore Safety Checklist to be completed before which operation?

  1. Before the vessel enters dry dock
  2. Before the crew signs articles
  3. Before the vessel departs the terminal
  4. Before cargo transfer begins between ship and terminal Correct answer.

Explanation

The Ship/Shore Safety Checklist is completed jointly by ship and terminal representatives before cargo transfer starts. It confirms that agreed safety conditions are met and responsibilities are clear. Departure, dry docking and crew articles are governed by other procedures.

Question 41Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Under MARPOL Annex I, which condition must be met before oily bilge water can be discharged overboard from a tanker outside special areas?

  1. The ship is at anchor and the oil content is below 100 ppm
  2. The discharge occurs at night with the oil content below 30 ppm
  3. The master has notified the terminal and the oil content is below 50 ppm
  4. The ship is proceeding en route, the oil content is below 15 ppm and an oily water separator with alarm is in use Correct answer.

Explanation

Annex I permits machinery-space bilge discharge only when the ship is en route, the oil content does not exceed 15 ppm and approved filtering equipment with alarm and automatic stopping is operating. These conditions prevent concentrated oil release. Anchorage, terminal notification and darkness are not substitutes for the technical limits.

Question 42Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

A tanker intends to discharge cargo tank washings containing oil in a Special Area. What does MARPOL Annex I generally require?

  1. Discharge overboard at a rate not exceeding 60 litres per nautical mile
  2. Discharge overboard if the ship is en route and the oil content is below 15 ppm
  3. Retention on board for discharge to a reception facility, subject to any stricter applicable rules Correct answer.
  4. Discharge only at night with prior notice to the port authority

Explanation

Within Special Areas, Annex I generally prohibits discharge of oil or oily mixtures from cargo areas and requires retention for reception facilities. Outside Special Areas, stricter conditions apply to cargo-area discharges than to machinery-space bilge water. Night-time discharge and simple rate limits do not create a Special Area exception.

Question 43Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Which national requirement typically applies to a tanker entering a Nigerian port under NIMASA administration?

  1. Waiver of the Ship/Shore Safety Checklist for short calls
  2. Compliance with NIMASA registration and port State control procedures as well as flag State certificates Correct answer.
  3. Automatic exemption from MARPOL reporting for Nigerian-flagged ships
  4. Reliance on the terminal operator to certify crew competence

Explanation

NIMASA administers Nigerian maritime safety and pollution prevention, including registration and port State control. Ships must hold valid flag State certificates and comply with Nigerian procedures. There is no exemption from MARPOL reporting and the safety checklist remains mandatory.

Question 44Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Under STCW, tanker familiarization training must cover which of the following areas?

  1. Only navigation and collision avoidance
  2. Tanker types, cargo hazards, safety equipment and pollution prevention Correct answer.
  3. Only firefighting in engine rooms
  4. Only commercial chartering practice

Explanation

STCW tanker familiarization covers the characteristics of tanker types, the hazards of cargoes carried, safety and emergency equipment, and pollution prevention. It is a foundation course before advanced tanker training for officers. It is not limited to firefighting, navigation or commercial practice.

Question 45Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

What does the STCW endorsement for advanced oil tanker training allow an officer to do?

  1. Conduct port State control inspections
  2. Operate the ship's main engine unsupervised
  3. Issue the International Oil Pollution Prevention Certificate
  4. Serve in a supervisory role over cargo operations on oil tankers Correct answer.

Explanation

Advanced tanker training under STCW qualifies officers to supervise and manage cargo operations on the relevant tanker type. It does not confer engineering authority, certificate issuance or inspection powers. Those functions belong to separate qualifications and authorities.

Question 46Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

A tanker's Safety Management System under the ISM Code must include procedures for which of the following?

  1. Reporting non-conformities, accidents and hazardous occurrences Correct answer.
  2. Designing the ship's hull structure
  3. Selecting the classification society surveyor
  4. Setting freight rates for cargo voyages

Explanation

The ISM Code requires documented procedures for reporting and analysing non-conformities, accidents and hazardous occurrences, along with corrective action. Commercial freight setting, structural design and surveyor selection fall outside the Safety Management System. These procedures support continuous improvement of safety.

Question 47Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Under MARPOL, which certificate confirms that a tanker complies with Annex I pollution prevention requirements?

  1. International Sewage Pollution Prevention Certificate
  2. International Oil Pollution Prevention Certificate Correct answer.
  3. Document of Compliance
  4. International Air Pollution Prevention Certificate

Explanation

The IOPP Certificate is issued under MARPOL Annex I after survey of oil pollution prevention equipment and arrangements. The Air Pollution and Sewage Pollution certificates relate to Annexes VI and IV respectively. The Document of Compliance belongs to the ISM Code framework.

Question 48Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

A tanker master discovers that a crew member falsified an Oil Record Book entry. What is the master's primary obligation under MARPOL and ISM?

  1. Ignore the entry until the next scheduled audit
  2. Delegate the matter to the terminal operator
  3. Conceal the error to avoid port State detention
  4. Correct the record, investigate the non-conformity and report through the company's procedures Correct answer.

Explanation

Falsification is a serious non-conformity that must be corrected and investigated with corrective action recorded under the ISM Code. The master is responsible for accurate records and for reporting through company procedures. Concealment, delegation to the terminal or delay compounds the breach.

Question 49Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

Which requirement applies to a tanker carrying noxious liquid substances in bulk under MARPOL Annex II?

  1. Compliance with the categorisation of residues and the P&A Manual for discharge and prewash Correct answer.
  2. Discharge of all residues overboard when the ship is en route
  3. Exemption from the International Pollution Prevention Certificate for Noxious Liquid Substances
  4. Use of the Oil Record Book Part I for all cargo residues

Explanation

Annex II categorises noxious liquid substances and sets discharge and prewash requirements, supported by the Procedures and Arrangements Manual. Residues cannot simply be discharged overboard and the NLS certificate is required. The Oil Record Book Part I does not cover NLS cargo residues.

Question 50Regulatory framework: STCW, MARPOL, SOLAS, ISGOTT and national requirements

What is the purpose of the International Ship and Port Facility Security Code under SOLAS?

  1. To regulate crew rest hours
  2. To prescribe oily water separator design
  3. To set cargo tank coating standards
  4. To establish security measures for ships and port facilities through security assessments and plans Correct answer.

Explanation

The ISPS Code, made mandatory through SOLAS Chapter XI-2, requires security assessments and plans for ships and port facilities. It addresses threats such as unauthorised access and piracy-related risks. Tank coatings, rest hours and separator design are governed by other instruments.