SET - 8 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

By FPAPK

Published: Jun 16, 2026 at 5:25 am

MARINE EXAM

15 min read

BASIC OTFC COURSE

Prepare effectively with OCTF Exit Exam Mock Test Set 8 – 2026, developed for seafarers who are getting ready for the Basic Training for Oil and Chemical Tanker Cargo Operations (OCTF) certification. This practice set helps you review key concepts and improve your exam readiness.

The OCTF course provides essential knowledge on oil and chemical tanker cargo handling, operational safety, pollution prevention, risk awareness, emergency procedures, and safe working practices onboard. These topics are important for maintaining safety and compliance in tanker operations.

This mock test features 30 carefully selected multiple-choice questions based on the latest training syllabus and common examination pattern. Practising these questions regularly can strengthen your understanding, improve accuracy, and build confidence before the final assessment.

Start solving OCTF Set 8 Questions and Answers – 2026 today and take another step toward successfully completing your tanker training and advancing your maritime career.

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

MCQ Practice Questions (30)

Cargo tanks entrances on tankers are:

a Weathertight

b Watertight

c Could be weathertight or watertight

d Neither watertight or weathertight

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

The most likely location for a liquid cargo fire to occur on a tanker would be

a in the midships house

b at the main deck manifold

c at the vent header

d in the pumproom

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

A thermoelectric detector:

a Uses a heat sensor

b converts heat to electrical energy

c detects a rise in tempetrature

d uses a fixed temperature stop

In the chemical composition of typical petroleum

a The natural gas consist of 80 - 85% Carbon

b The crude oil consist of 82 - 87% Carbon,

c The asphalt consist of 12 - 15% Hydrohen

d The Natural gas consist of 0.1 - 5% Oxygena

The standard unit of liquid volume used in the petroleum industry, as well as the tanker industry, is a __________.

a barrel

b drum

c gallon

d liter

You are in a tank wearing the self-contained breathing apparatus and you desire to return topside. How many tugs of the lifeline mean to take up the slack?

a One

b Two

c Three

d Four

Which pump must always be primed?

a Centrifugal pump

b Reciprocating pump

c Rotary pump

The ring main pipeline system is extensively used on:

a VLCCs

b Crude oil tankers

c Medium range tankers

d Product carriers

The (auto) ignition temperature is that temperature at which __________.

a no spark or flame is required to ignite gas or vapor

b a fuel begins to give off explosive vapors

c a fuel if ignited will continue to burn

d a 1% mixture of the fuel with air will explode

Vapor density of most of the chemical cargoes is

a Lighter than air

b Heavier than air

c Same as air density

Cargo stowage plan shall be kept in :

a Master's safe.

b Under safe upkeep of chief officer.

c An accessible place on board.

What is the sulfur content in natural gas of typical petroleum?

a 0.20%

b 0.1 - 6%

c 2 - 8%

d 12 - 15%

Cargoes should not be loaded in to a tank that is not specially for that duty if it exceeds normal atmospheric pressure at

a 60.0 Deg C (140 Deg F)

b 15.6 Deg C (60 Deg F)

c 25.0 Deg C (77 Deg F)

d 37.8 Deg C (100 Deg F)

Acid burns,bromine burns and sodium burns fall under the category of :

a Thermal burns

b Chemical wounds

c Chemical burns.

A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a _____.

a blind flange

b pivot coupling

c quick-release coupling

d spectacle flange

How should steam pipes be protected in machinery spaces?

a They should be painted in different colours

b They should have placards to warn personnel

c They should be lagged

Total observed volume is corresponding to ullage/sounding is calculated from :

a Loadicator.

b CCR computer.

c Tank capacity tables

A starting interlock in the ODME ensures

a the monitoring equipment is fully operational before commencing the discharge of the oil effluent at sea

b prevents malfunctioning of the system

c that an alarm is given off when the system malfunctions

d stops discharge of the oil effluent when the oil content exceeds 5 part per million

What is the flammable range ?

a Vapor concentration below LEL

b Vapor concentration above UEL

c Vapor concentration range between LEL and UEL

The purpose of slop tanks on an oil tanker is to

a minimize pollution by retaining all slops generated by operation of the vessel

b increase the cargo carrying capacity whenever necessary

c collect pump room and engine room bilges

d make crude oil washing possible

The ISM Code requires work procedures which ensures ________ performance

a Superior

b Profitable

c Safe

d Excellent

What is Upper flammable limit ?

a The limit for man entry of personnel into tanks

b The concentration of a hydrocarbon gas in air above which there is insufficient oxygen to support combustion

c The limit where there is insuffient inert gas to support combustion

d The limit where there is too much inert gas to support combustion

Which characteristic is an advantage of a butterfly valve as compared to a gate valve?

a Precise control over cargo flow

b Quick operation

c No resistance to cargo flow when open

d Less maintenance required

What is Cold Work?

a Work that involves working at lower temperatures

b Work that involves using hand tools only

c Work that cannot create a source of ignition

d Work that is carried out at lower than ambient temperatures

What is the first step in preparing a casualty who is breathing with proper heartbeat but unconscious?

a Insert guidel airway

b Establish airway is clear

c Place casuality in recovery position.

What is cold work ?

a Carrying out work in a cold atmosphere

b Work that cannot create a source of ignition

c Carrying out work on reefer containers

d Work that can be done only in cold temperatures

What is Auto-ignition ?

a The ignition of a combustible material without initiation by a spark or flame, when the material has been raised to a temperature at which self-sustaining combustion occurs.

b Automatic ignition of material in a hot atmosphere

c Ignition of materials when they come in contact with each other

d Ignition caused by mixture of vapours given of by cargoes

What is the effect of intermolecular forces on vapor pressure?

a Relatively strong force will increase vapor pressure

b Relatively strong force will decrease vapor pressure

c Relatively weak force will decrease vapor pressure

d Relatively weak force does not have any effect on vapor pressure

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Mock Test Info

Course Name BASIC OTFC COURSE

Mock Test 8

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 ✓ SET - 7 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

▶ SET - 8 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

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9 SET - 9 | OCTF Exit Exam Mock Test - Questions and Answers - 2026 10 SET - 10 | OCTF Exit Exam Mock Test - Questions and Answers - 2026 11 SET - 11 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

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SET - 8 | OCTF Exit Exam Mock Test - Questions and Answers - 2026

BASIC OTFC COURSE

MCQ Practice Questions (30)

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Your Examination Result

Cargo tanks entrances on tankers are:

Cargo tank fill alarm indicator panels:

The most likely location for a liquid cargo fire to occur on a tanker would be

What is purging ?

A thermoelectric detector:

In the chemical composition of typical petroleum

The standard unit of liquid volume used in the petroleum industry, as well as the tanker industry, is a __________.

You are in a tank wearing the self-contained breathing apparatus and you desire to return topside. How many tugs of the lifeline mean to take up the slack?

Which pump must always be primed?

The ring main pipeline system is extensively used on:

The (auto) ignition temperature is that temperature at which __________.

Vapor density of most of the chemical cargoes is

Cargo stowage plan shall be kept in :

What is the sulfur content in natural gas of typical petroleum?

Cargoes should not be loaded in to a tank that is not specially for that duty if it exceeds normal atmospheric pressure at

Acid burns,bromine burns and sodium burns fall under the category of :

A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a _____.

How should steam pipes be protected in machinery spaces?

Total observed volume is corresponding to ullage/sounding is calculated from :

A starting interlock in the ODME ensures

What is the flammable range ?

The purpose of slop tanks on an oil tanker is to

The ISM Code requires work procedures which ensures ________ performance

What is Upper flammable limit ?

Which characteristic is an advantage of a butterfly valve as compared to a gate valve?

What is Cold Work?

What is the first step in preparing a casualty who is breathing with proper heartbeat but unconscious?

What is cold work ?

What is Auto-ignition ?

What is the effect of intermolecular forces on vapor pressure?

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