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PSSR exit exam questions and answers — Set 4

Set 4 of the Personal Safety & Social Responsibilities (PSSR) exit exam bank — 30 of 170 questions, with the correct option marked and a one-line explanation for every one. Read it end to end, jump to a single set, or search it — then sit the same bank as a timed paper. The real DG Shipping exit exam is 30 marks with 15 to pass.

These are the bank's original groupings. Practising deals the whole bank out again every time you reshuffle, so a practice “Set 3” is a different 30 questions each time — the set numbers below are the source file's, and are only used here so the key stays navigable. Options are listed in their original order with fixed letters; when you practise, those move too.

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Set 4 — 30 PSSR exit exam questions with answers

1. Standard structural and operational precautions to prevent accidental oil pollution on a vessel include:

  • A. Executing transfer and discharge of oil cargo strictly as per the vessel's manuals
  • B. Regular visual inspections of oil pipelines, associated valves, and manifold structures
  • C. Regular training of the crew via oil pollution response and SOPEP drills
  • D. All of the above
Answer: D — All of the above
A comprehensive approach to pollution prevention includes procedural compliance, proactive maintenance of transfer infrastructure, and the continuous drilling of the crew in SOPEP (Shipboard Oil Pollution Emergency Plan) to ensure a rapid, correct response.

2. A specialized record book used to log complete details of all garbage disposal operations from a ship to a shore reception facility or via sea discharge is the:

  • A. Cargo Record Book
  • B. Deck Official Log Book
  • C. Master’s Safety Manifest
  • D. Garbage Record Book
Answer: D — Garbage Record Book
The Garbage Record Book is a mandatory document under MARPOL Annex V used to record every disposal, discharge, or incineration operation involving shipboard garbage to ensure compliance with regional and international discharge regulations.

3. The safe disposal of used or expired chemical containers on a vessel should be carried out by:

  • A. Throwing them overboard far out at sea
  • B. Mixing them with general food waste
  • C. Disposing of them strictly as per the chemical Maker's instructions
  • D. Burning them openly on the deck space
Answer: C — Disposing of them strictly as per the chemical Maker's instructions
Disposal of chemical waste is strictly regulated and must be handled according to the Material Safety Data Sheet (MSDS) and the chemical manufacturer's specific instructions, which prioritize environmental safety and regulatory compliance.

4. Under MARPOL Annex VI, SECA stands for Sulfur Oxide ($SO_x$) Emission Control Area. Which regions are designated SECAs?

  • A. Both A and B are correct
  • B. None of the above
  • C. The North Sea area and the English Channel
  • D. The Baltic Sea area
Answer: A — Both A and B are correct
Sulfur Oxide Emission Control Areas (SECAs) have been designated in specific regions to limit $SO_x$ emissions from ships. The Baltic Sea, the North Sea, and the English Channel are recognized SECAs where ships must use low-sulfur fuel or exhaust gas cleaning systems.

5. To prevent alcohol abuse under STCW watchkeeping regulations, the maximum blood alcohol concentration (BAC) limit for watchkeeping personnel is set to not exceed:

  • A. 0.08% blood alcohol content
  • B. 0.10% blood alcohol content
  • C. 0.05% blood alcohol content *(Note: The precise legal limit is 0.04%, but 0.05% is the closest exam multiple-choice option provided in this video text)*
  • D. 0.01% blood alcohol content
Answer: C — 0.05% blood alcohol content *(Note: The precise legal limit is 0.04%, but 0.05% is the closest exam multiple-choice option provided in this video text)*
To ensure peak operational performance and safety, STCW regulations require that personnel on watch must not be impaired by alcohol. The limit is set at 0.05% blood alcohol concentration (or lower), with many companies adopting a strict 'zero tolerance' policy.

6. A permit-to-work (PTW) system is highly necessary on board a vessel for:

  • A. Any of the above
  • B. Ensuring proper tool and resource utilization
  • C. Ensuring the quality and structural integrity of the work executed
  • D. Ensuring the occupational safety of working personnel
Answer: A — Any of the above
A Permit to Work (PTW) is a formal document designed to ensure that high-risk tasks are thoroughly assessed, hazards are identified, and control measures are implemented to protect personnel and the vessel's integrity during maintenance or repair activities.

7. What permits are required when a technician needs to execute electric welding on a pressurized hydraulic pipeline located inside an empty fresh water tank?

  • A. All of the above
  • B. Permit to work on pressurized systems
  • C. Enclosed Space Entry Permit
  • D. Hot Work Permit
Answer: A — All of the above
Welding is 'Hot Work', the pipeline is 'Pressure/Hydraulic' work, and the tank is a 'Confined Space'. Each of these conditions poses unique risks, requiring specific permits, risk assessments, and isolation procedures to ensure safety before work commences.

8. Which of the following high-risk shipboard work activities strictly requires the issuance of a formal Permit to Work?

  • A. Working aloft on the mast or funnel structures
  • B. Working outboard over the side of the hull structure
  • C. All of the above
  • D. Working on live, high-voltage electrical circuits
Answer: C — All of the above
Working aloft, working on high-voltage circuits, and working outboard are all high-risk activities where the consequences of an error are severe. A permit-to-work system ensures these tasks are supervised and safely executed.

9. What is the maximum standard operational validity period of an issued shipboard Permit to Work before it must be revalidated?

  • A. 4 hours
  • B. 8 hours
  • C. 12 hours
  • D. 24 hours
Answer: C — 12 hours
Permits to Work are valid for a specified time to ensure that the work conditions haven't changed. A 12-hour period is the standard maximum, requiring a new risk assessment and re-authorization to ensure safety if the task continues beyond a single shift.

10. Which personnel should NOT be authorized or allowed to carry out dangerous afloat or high-risk structural work?

  • A. Personnel with a physical handicap that restricts movement or safety compliance
  • B. Personnel who are clinically overweight for the harness limits
  • C. All of the above
  • D. seafarer who is overly tired, fatigued, or has not received mandated rest hours
Answer: C — All of the above
Safety is paramount when performing dangerous tasks. Any physical or mental impairment, including excessive fatigue, can significantly increase the risk of an accident; therefore, such personnel must not be assigned to high-risk structural or maintenance duties.

11. Water-tight sliding steel doors positioned below the vessel's waterline must be capable of closing completely within how many seconds when the ship is upright?

  • A. 30 seconds or less
  • B. 90 seconds or less
  • C. 45 seconds or less
  • D. 60 seconds or less
Answer: C — 45 seconds or less
SOLAS regulations require that watertight doors below the waterline be capable of closing in a controlled manner within a specific timeframe (usually 20 to 40 seconds) to ensure that the vessel's subdivision remains effective in the event of flooding.

12. To ensure safe human respiration, continuous work inside an enclosed space requires a constant oxygen level of:

  • A. 18% oxygen concentration
  • B. 25% oxygen concentration
  • C. 16% oxygen concentration
  • D. 21% oxygen concentration
Answer: D — 21% oxygen concentration
Standard atmospheric oxygen levels are approximately 21%. When working in enclosed spaces, any deviation from this level (e.g., lower due to consumption/rusting, or higher/lower due to gases) poses a health risk; 21% is the requirement for safe breathing.

13. What type of clear safety warning signs should be placed directly around manholes leading into unventilated void spaces?

  • A. Breathing apparatus mandatory sign / Confined space danger sign
  • B. Flammable gas warning sign only
  • C. High-voltage hazard warning sign
  • D. No entry for cargo personnel sign
Answer: A — Breathing apparatus mandatory sign / Confined space danger sign
Enclosed spaces are potentially lethal due to oxygen deficiency or the presence of toxic gases. Mandatory signage (e.g., 'Entry by Permit Only', 'Danger', 'Breathing Apparatus Required') is essential to prevent unauthorized or unprotected entry.

14. To enforce company drug and alcohol policies, the Master may conduct random, unannounced alcohol breath tests on the crew at least:

  • A. Weekly
  • B. Annually
  • C. Quarterly
  • D. Monthly
Answer: D — Monthly
To ensure compliance with safety management systems and international regulations (STCW), it is standard practice for the Master to implement random, unannounced drug and alcohol testing to maintain a sober working environment.

15. If your vessel has been involved in a collision and you cannot immediately confirm if the hull is structurally sinking or stable, you should:

  • A. Go to your cabin to pack all personal belongings
  • B. Pump all ballast water out blindly
  • C. Abandon the vessel immediately without checking anything else
  • D. Search for missing persons, continuously monitor the structural situation, and prepare life-saving appliances for abandonment in case it becomes necessary
Answer: D — Search for missing persons, continuously monitor the structural situation, and prepare life-saving appliances for abandonment in case it becomes necessary
In a collision, the safety of the vessel and crew is the priority. The response must be methodical: stabilize the situation, assess damage, account for all personnel, and only abandon the ship if it is declared unsafe by the Master.

16. What is the primary reason for positioning a dedicated standby person immediately outside an enclosed space while work is occurring inside?

  • A. To assist with tool cleaning on deck
  • B. To keep a record of time for payroll purposes
  • C. To handle communication with shore commercial agents
  • D. To initiate and get the emergency rescue plan underway immediately if a hazard develops inside
Answer: D — To initiate and get the emergency rescue plan underway immediately if a hazard develops inside
A standby person is essential for confined space entry to monitor the conditions inside, communicate with the team, and provide immediate notification or assistance if an emergency occurs, as they are the vital link for rescue initiation.

17. Under STCW Code Table A-VI/1-4, what is the mandatory requirement regarding deck and engine room operational protocols during Personal Safety & Social Responsibilities operations?

  • A. Strict compliance with approved safety procedures and flag state regulations
  • B. Verbal recommendation without documentation
  • C. Optional adherence based on vessel size
  • D. Applicable only during drydock operations
Answer: A — Strict compliance with approved safety procedures and flag state regulations
STCW Code Table A-VI/1-4 mandates strict compliance with approved safety protocols for Personal Safety & Social Responsibilities.

18. What specific safety precaution must be observed when managing deck and engine room operational protocols for Personal Safety & Social Responsibilities on board?

  • A. Delegating tasks exclusively to untrained crew members
  • B. Proceeding without informing the officer on watch
  • C. Conducting a thorough risk assessment and briefing all involved personnel prior to starting work
  • D. Disabling automated safety alarms to save time
Answer: C — Conducting a thorough risk assessment and briefing all involved personnel prior to starting work
Risk assessments and pre-job briefings ensure all team members understand hazards during Personal Safety & Social Responsibilities operations.

19. Which international regulation specifies the minimum standard for deck and engine room operational protocols concerning Personal Safety & Social Responsibilities?

  • A. Tonnage Measurement Convention 1969
  • B. International Load Line Certificate Annex 3
  • C. STCW Code Section A-VI/1-4 and relevant SOLAS/MARPOL conventions
  • D. Port State Control advisory note only
Answer: C — STCW Code Section A-VI/1-4 and relevant SOLAS/MARPOL conventions
STCW Code Section A-VI/1-4 sets international standards for training and operational competency in Personal Safety & Social Responsibilities.

20. In the event of an emergency involving deck and engine room operational protocols during Personal Safety & Social Responsibilities tasks, what immediate action is required?

  • A. Attempt to resolve the incident silently without raising the alarm
  • B. Wait until the end of the watch to log the issue
  • C. Evacuate the vessel immediately without informing the bridge
  • D. Raise the alarm, notify the Officer of the Watch, and execute assigned muster list duties
Answer: D — Raise the alarm, notify the Officer of the Watch, and execute assigned muster list duties
Prompt alarm activation ensures emergency response teams can mobilize immediately.

21. How frequently must operational drills and practical checks for deck and engine room operational protocols be conducted for Personal Safety & Social Responsibilities?

  • A. At least monthly or as mandated by SOLAS and shipboard safety management system (SMS)
  • B. Annually prior to vessel drydocking
  • C. Only when requested by port State control inspectors
  • D. Once every 5 years during special survey
Answer: A — At least monthly or as mandated by SOLAS and shipboard safety management system (SMS)
Regular drills maintain crew emergency readiness and satisfy SOLAS requirements.

22. Under MARPOL Annex I, what is the maximum allowable oil content of discharge from the bilge of a ship outside special areas while en route?

  • A. 15 parts per million (ppm)
  • B. 50 parts per million (ppm)
  • C. 100 parts per million (ppm)
  • D. 0 parts per million (ppm)
Answer: A — 15 parts per million (ppm)
MARPOL Annex I regulations specify that oily water discharge from machinery space bilges must pass through a 15 ppm oil filtering equipment with automatic stopping device.

23. What permit is mandatory before any work involving naked flames, welding, or spark-producing tools can be carried out outside the workshop?

  • A. Hot Work Permit
  • B. Enclosed Space Entry Permit
  • C. Cold Work Permit
  • D. Working at Height Permit
Answer: A — Hot Work Permit
A Hot Work Permit is required to ensure gas-free conditions and fire watch precautions are established prior to high-temperature or flame work.

24. Prior to entering an enclosed space, what is the minimum required oxygen content percentage by volume?

  • A. 16.0%
  • B. 18.0%
  • C. 20.9%
  • D. 23.5%
Answer: C — 20.9%
Normal atmospheric oxygen concentration is 20.9% by volume. Enclosed space entry requires testing for 20.9% O2, 0% LFL flammable gas, and zero toxic vapors.

25. What safety precaution must be taken when a seafarer is working at height above 2 meters over an open deck or over the side?

  • A. Wear a safety harness attached to a secured fall-arrest lifeline
  • B. Wear heavy leather gloves only
  • C. Ensure a lifebuoy with line is thrown over first
  • D. Hold onto the railing with one hand at all times
Answer: A — Wear a safety harness attached to a secured fall-arrest lifeline
Working at height requires a full-body safety harness hooked to an approved inertia reel or lifeline, along with a safety helmet with chin strap.

26. What is the primary objective of Lockout / Tagout (LOTO) procedures on board?

  • A. To prevent accidental energy isolation
  • B. To isolate energy sources and prevent unexpected startup of machinery during maintenance
  • C. To speed up routine engine room operations
  • D. To mark defective tools for disposal
Answer: B — To isolate energy sources and prevent unexpected startup of machinery during maintenance
LOTO ensures electrical, hydraulic, pneumatic, and mechanical energy sources are physically locked and tagged to protect crew from sudden energization.

27. What general emergency alarm signal is sounded on a ship's whistle and internal alarm system?

  • A. One long blast followed by one short blast
  • B. Seven or more short blasts followed by one long blast
  • C. Three long blasts continuously
  • D. Five short rapid blasts
Answer: B — Seven or more short blasts followed by one long blast
The SOLAS general emergency alarm signal consists of 7 or more short blasts followed by 1 long blast on the ship's whistle and alarm bells.

28. Which MARPOL Annex regulates the prevention of pollution by garbage from ships?

  • A. Annex I
  • B. Annex III
  • C. Annex V
  • D. Annex VI
Answer: C — Annex V
MARPOL Annex V deals with garbage management, prohibiting the discharge of plastics anywhere into the sea and restricting food/cargo residue disposal.

29. What safety document provides essential health, hazard, and emergency response information for chemicals handled on board?

  • A. Safety Data Sheet (SDS / MSDS)
  • B. Bill of Lading
  • C. Oil Record Book
  • D. Garbage Record Book
Answer: A — Safety Data Sheet (SDS / MSDS)
Safety Data Sheets (SDS) contain chemical identification, hazard classification, protective equipment requirements, and emergency first aid guidance.

30. What action must be taken immediately if a crew member witnesses someone falling overboard?

  • A. Shout 'Man Overboard', throw a lifebuoy with light/smoke signal, and inform the bridge
  • B. Jump into the water immediately to assist
  • C. Run to the engine room to stop the propeller
  • D. Look for a ladder before raising the alarm
Answer: A — Shout 'Man Overboard', throw a lifebuoy with light/smoke signal, and inform the bridge
The immediate actions for Man Overboard are: raise alarm loud and clear, throw nearest lifebuoy with light/smoke to mark position, keep eyes on the casualty, and notify the bridge.

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