SET - 6 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

By FPAPK

Published: Jun 14, 2026 at 4:41 am

MARINE EXAM

15 min read

BASIC OTFC COURSE

Enhance your preparation with OCTF Mock Test Set 6 (2026), specially developed for seafarers appearing for the Basic Training for Oil and Chemical Tanker Cargo Operations (OCTF) certification exam. This mock test is designed to help you revise important concepts in a practical and exam-focused format.

The OCTF course provides essential knowledge on cargo handling, tanker safety procedures, pollution prevention, risk awareness, and emergency response during oil and chemical tanker operations. A strong understanding of these topics is important for working safely and efficiently at sea.

This practice set includes 30 carefully prepared multiple-choice questions based on the latest maritime training guidelines and frequently tested subjects. Regular practice can improve your accuracy, increase confidence, and help you perform well in the final exit examination.

Begin solving OCTF Set 6 Questions and Answers – 2026 today and strengthen your preparation for a successful tanker certification exam.

Practice with 30 questions from the BASIC OTFC COURSE bank. Each question is verified and explained.

MCQ Practice Questions (30)

Safety harness should be worn while working aloft at any height more than:

a 1 meter

b 5 meters%

c 2 meters

The main purpose of introducing double hull design in tankers was

a to offer an extra layer of protection against environmental pollution

b to increase the light weight of ship and reduce ballast required

c to allow ships to navigate with reduced UKC without worrying about pollution

d to increase the cargo carrying capacity of the ship with same dimensions

What is a material safety data sheet (MSDS) ?

a It is used for finding out the dangers of contract

b It is used for finding out the effects of inhalation

c A document identifying a substance and all its constituents

d A document giving the chemical name of the product

What is the maximum interval of time between sampling and analysing for each sampling head location sequentially?

a Not exceeding 50 minutes interval

b Not exceeding 40 minutes interval

c Not exceeding 30 minutes interval

d Not exceeding 60 minutes interval

A man has suffered a burn on the arm. There is extensive damage to the skin with charring present.How is this injury classified using standard medical terminology?

a Dermal burn

b Third-degree burn

c Major burn

d Lethal burn

Specific gravity of a fuel is the ratio of its density to density of

a Sea water

b Fresh Water

c Diesel oil

What is the minimum requirement for CO2 gas to be released to fight a fire in the engine room?

a 60% of CO2 to be discharged within two minutes

b 85% of CO2 to be discharged within two minutes

c 75% of CO2 to be discharged within two minutes

A deepwell pump is a type of ___________.

a screw pump

b centrifugal pump

c eductor

d gear pump

What is the other name for flammable gas detector?

a Oxygen analyser

b Interferometer

c Explosimeter

What is purging ?

a The introduction of inert gas into a tank already in the inert condition to further reduce the existing oxygen content or hydrocarbon gas content

b Introducing of oxygen into a tank to a high level

c Using blowers to push oxygen into a tank

d Using natural ventilation to gas free a tank

Paraffins are pure hydrocarbons containing:

a only hydrogen

b only carbon

c carbon and hydrogen

d bromine

What is the maximum time duration for which EEBD is designed for ?

a 5 Mins

b 6 Mins

c 10 Mins

Which pump must always be primed?

a Centrifugal pump

b Reciprocating pump

c Rotary pump

Which hand gloves are best suited for handling solvents,petrol,oils and many chemicals?

a PVC gloves.

b Rubber gloves.

c Neoprene or Nitrile rubber gloves.

What is flash point ?

a The lowest temperature at which a liquid gives off sufficient gas to form a flammable gas mixture near the surface of the liquid.

b The temperature at which the gas is not flammable

c The temperature at which the liquid stops emitting gas

d The temperature at which an explosion is not possible

Category Y noxious liquid substances are deemed to present a major hazard and therefore

a Justify the prohibition of discharge into the marine environment

b Justify a limitation on the quantity of the discharge into the marine environment

c Justify less stringent restrictions of discharge into the marine environment

Cargo pump rooms are fitted with :

a one fan for ventilation

b portable water sprinklers for fire fighting

c fixed fire extinguishing system

Specific gravity is used by the American Petroleum Institute (API) to classify various

a Viscosities of oil

b Vapor densities of oil

c Weights of oil

d Volumes of oil

Class D fires involve

a Solid cellulosic materials such as wood, paper, clothing, etc.

b Vapour/air mixture over the surface of flammable liquids

c Energised electrical equipment

d Combustible materials such as magnesium, sodium, etc.

Where is "EPIRB" fitted on the ship?

a Navigation bridge.

b Monkey island.

c Bridge wing

An unsaturated hydrocarbon is one in which the valence of some of the carbon atom is not satisfied by single bond, so that these atoms are connected to one another with two or more covalent bonds. Find the correct example for Unsaturated hydrocarbon

a Benzene

b Paraffin

c Alkane

d Naphthene

The change in resistance of hot filament in tankscope is displayed as :

a % volume of oxygen

b % volume of inert gas

c % volume of hydrocarbon

A type 3 chemical tanker is intended to tansport cargoes that have

a Severe environmental and safety hazards

b Apperciably severe environmental and safety hazards

c Sufficiently severe environmental and safety hazards

What precautions must be taken in the vicinity of the engine room bilges?

a Should be clear of rubbish

b Should be covered with muck and debris

c Should be allowed to corrode

Identify the hazards of NLS cargoes from the diamond

a A: Health Hazard; B: Fire Hazard; C: Reactivity Hazard; D- Specific Hazard

b A: Fire Hazard; B: Health Hazard; C: Reactivity Hazard; D- Specific Hazard

c A: Health Hazard; B: Fire Hazard; C: Specific Hazard; D- Reactivity Hazard

d A: Reactivity Hazard; B: Fire Hazard; C: Health Hazard; D- Specific Hazard

Fixed dry chemical powder extinguishers are mostly used in :

a oil tankers.

b Passenger vessels.

c chemical tankers.

What is LEAST likely to be used to strip a cargo tank?

a Centrifugal pump

b Eductor

c Rotary pump

d Reciprocating pump

Inert gas is introduced to cargo tank to :

a lower the LEL of cargo vapor.

b to make the cargo vapors a lean mixture of hydro carbons

c to exclude oxygen and thus prevent fire or explosion.

The lowest temperature at which the liquid remains a fluid is called the:

a The flow point

b The pour point

c The melting point

d The Liquefaction point

Cargo tank fill alarm indicator panels:

a are normally fitted on the bridge and sometimes on deck

b are normally fitted in the engine control room and sometimes on deck

c are normally fitted on the bridge and sometimes in the engine control room

d are normally fitted in the cargo control room and sometimes on deck

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Mock Test Info

Course Name BASIC OTFC COURSE

Mock Test 6

Questions 30

Students 1,345

Test Time 15 Minutes

BASIC OTFC COURSE

Mock Test Sets

✓ SET - 1 | OCTF Exit Exam Mock Test - Questions and Answers - 2026 ✓ SET - 2 | OCTF Exit Exam Mock Test - Questions and Answers - 2026 ✓ SET - 3 | OCTF Exit Exam Mock Test - Questions and Answers - 2026 ✓ SET - 4 | OCTF Exit Exam Mock Test - Questions and Answers - 2026 ✓ SET - 5 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

▶ SET - 6 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

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SET - 6 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

BASIC OTFC COURSE

MCQ Practice Questions (30)

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Your Examination Result

Safety harness should be worn while working aloft at any height more than:

The main purpose of introducing double hull design in tankers was

What is a material safety data sheet (MSDS) ?

What is the maximum interval of time between sampling and analysing for each sampling head location sequentially?

A man has suffered a burn on the arm. There is extensive damage to the skin with charring present.How is this injury classified using standard medical terminology?

Specific gravity of a fuel is the ratio of its density to density of

What is the minimum requirement for CO2 gas to be released to fight a fire in the engine room?

A deepwell pump is a type of ___________.

What is the other name for flammable gas detector?

What is purging ?

Paraffins are pure hydrocarbons containing:

What is the maximum time duration for which EEBD is designed for ?

Which pump must always be primed?

Which hand gloves are best suited for handling solvents,petrol,oils and many chemicals?

What is flash point ?

Category Y noxious liquid substances are deemed to present a major hazard and therefore

Cargo pump rooms are fitted with :

Specific gravity is used by the American Petroleum Institute (API) to classify various

Class D fires involve

Where is "EPIRB" fitted on the ship?

An unsaturated hydrocarbon is one in which the valence of some of the carbon atom is not satisfied by single bond, so that these atoms are connected to one another with two or more covalent bonds. Find the correct example for Unsaturated hydrocarbon

The change in resistance of hot filament in tankscope is displayed as :

A type 3 chemical tanker is intended to tansport cargoes that have

What precautions must be taken in the vicinity of the engine room bilges?

Identify the hazards of NLS cargoes from the diamond

Fixed dry chemical powder extinguishers are mostly used in :

What is LEAST likely to be used to strip a cargo tank?

Inert gas is introduced to cargo tank to :

The lowest temperature at which the liquid remains a fluid is called the:

Cargo tank fill alarm indicator panels:

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