Examination Practice Questions And

Coast Guard Tankerman–Assistant Examination Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• Which document governs the handling of hazardous materials on a

tank vessel?

• International Maritime Solid Bulk Cargoes Code
• Code of Federal Regulations, Title 46
• Uniform Commercial Code
• National Fire Protection Association Code

Answer: B

Rationale: 46 CFR contains the regulations specific to tank vessels, including

handling and transfer of hazardous materials. 1 / 4

• The primary responsibility of a Tankerman–Assistant during cargo

operations is to:

• Direct the vessel’s navigation
• Assist the PIC with safe loading and unloading of cargo
• Inspect life-saving appliances
• Perform engine maintenance

Answer: B

Rationale: Tankerman–Assistants support the PIC by monitoring cargo

operations, ensuring safety, and assisting with transfer procedures.

3. Before transferring cargo, a Tankerman–Assistant must check:

• Weather forecasts
• Cargo system integrity and connections
• Engine oil levels
• Ship’s draft only

Answer: B

Rationale: Ensuring the cargo system is intact and properly connected

prevents spills and accidents.

• Which type of personal protective equipment (PPE) is mandatory

when handling flammable liquids?

• Hearing protection only
• Chemical-resistant gloves and goggles
• Safety boots only
• Hard hat only 2 / 4

Answer: B

Rationale: Chemical-resistant gloves and goggles protect against splashes

and vapors from flammable liquids.

5. During cargo transfer, the Tankerman–Assistant must monitor:

• Fuel consumption
• Tank levels and pressure
• Engine temperature
• Steering wheel alignment

Answer: B

Rationale: Monitoring tank levels and pressure is critical to prevent

overfilling, leaks, or structural damage.

• What is the purpose of inerting a cargo tank?
• Increase cargo temperature
• Reduce the risk of fire or explosion by displacing oxygen
• Lubricate the tank walls
• Improve cargo flow rate

Answer: B

Rationale: Inerting reduces oxygen levels to prevent ignition of flammable

vapors.

• How often must the cargo system be inspected for leaks?
• Once per year
• Before each transfer operation 3 / 4

• Every month
• Only after repairs

Answer: B

Rationale: Inspecting before each operation ensures the system is safe and

prevents spills.

• Which valve must be closed to stop cargo flow in an emergency?
• Vent valve
• Cargo manifold valve
• Bilge valve
• Sea chest valve

Answer: B

Rationale: Closing the cargo manifold valve immediately stops the flow of

cargo and prevents further hazard.

9. A hazardous cargo is leaking. The first action is to:

• Ignore it and continue operations
• Notify the engine department
• Alert the PIC and initiate emergency procedures
• Attempt to clean it yourself

Answer: C

Rationale: Immediate notification allows the PIC to take control and

implement spill containment and safety measures.

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