OCTCO Exit exam questions and answers 1

If you are preparing for the Director General of Shipping Exit exam for Basic Training for Oil and Chemical Tanker Cargo Operations (OCTCO), you may find the following list of frequently asked questions helpful. By studying these questions, you can increase your chances of passing the exam on your first attempt and avoid the need to retake it, which can be both time-consuming and costly.

This list has been compiled based on feedback from previous candidates, and we welcome your suggestions for additional questions in the comments box below.

What is the purpose of the oil discharge monitoring and control system (ODME) on board oil tankers?
A. To monitor the temperature of the cargo
B. To monitor the level of the cargo
C. To monitor the pressure in the cargo tanks
D. To monitor the discharge of oily water from the cargo tanks
Answer: D

What is the purpose of the cargo heating system on board chemical tankers?
A. To keep the crew warm
B. To heat the engine room
C. To maintain the cargo temperature
D. To provide hot water for the crew
Answer: C

Which of the following statements about Inert Gas Systems (IGS) is true?
A. They are used to supply oxygen to the cargo tanks
B. They are used to reduce the oxygen content in the cargo tanks
C. They are used to heat the cargo tanks
D. They are used to cool the cargo tanks
Answer: B

What is the primary method used to prevent cargo contamination on chemical tankers?
A. Segregating different types of cargo
B. Flushing the cargo tanks with seawater
C. Using the IGS to reduce the oxygen content in the cargo tanks
D. Ventilating the cargo tanks with fresh air
Answer: A

What is the purpose of the cargo transfer system on board oil tankers?
A. To transfer the cargo between the shore and the ship
B. To transfer the cargo between different cargo tanks on board the ship
C. To transfer the cargo from the engine room to the cargo tanks
D. To transfer the crew from the ship to the shore
Answer: B

Which of the following statements about crude oil is true?
a) It is a clear, colorless liquid
b) It is a complex mixture of hydrocarbons
c) It is not flammable
d) It is non-toxic
Answer: b) It is a complex mixture of hydrocarbons

Which of the following is an important safety precaution when handling chemical cargo?
a) Wearing loose clothing
b) Not wearing gloves or protective clothing
c) Not smoking or using naked flames
d) All of the above
Answer: c) Not smoking or using naked flames

What is the primary purpose of the International Safety Guide for Oil Tankers and Terminals (ISGOTT)?
a) To provide a guide for the safe transportation of chemicals
b) To provide a guide for the safe transportation of oil
c) To provide a guide for the safe operation of oil and chemical terminals
d) To provide a guide for the safe operation of oil and chemical tankers and terminals
Answer: d) To provide a guide for the safe operation of oil and chemical tankers and terminals

Which of the following cargoes is more likely to generate toxic gases?
a) Crude oil
b) Petroleum products
c) Chemicals
d) All of the above
Answer: c) Chemicals

What is the main hazard associated with carrying vegetable oils and fats?
a) They are highly flammable
b) They are highly toxic
c) They can cause skin irritation
d) They can cause cargo contamination
Answer: d) They can cause cargo contamination

Which of the following statements about the role of the ship’s officer in cargo operations is true?
a) They do not need to be familiar with the properties of the cargo being carried
b) They are responsible for ensuring that the cargo is loaded, stowed, and discharged safely
c) They are not responsible for monitoring the condition of the cargo during the voyage
d) None of the above
Answer: b) They are responsible for ensuring that the cargo is loaded, stowed, and discharged safely

What is the primary method used to prevent cargo contamination?
a) Carrying out regular inspections of the cargo tanks
b) Using dedicated tanks for each type of cargo
c) Ensuring that the cargo pumps are well-maintained
d) None of the above
Answer: b) Using dedicated tanks for each type of cargo

Which of the following statements about chemical cargo is true?
a) They are all highly toxic
b) They are all highly flammable
c) They can be corrosive and reactive
d) They do not require special handling or storage
Answer: c) They can be corrosive and reactive

What is the purpose of the International Maritime Dangerous Goods (IMDG) Code?
a) To provide guidelines for the safe transportation of dangerous goods by sea
b) To provide guidelines for the safe transportation of goods by air
c) To provide guidelines for the safe transportation of goods by road
d) None of the above
Answer: a) To provide guidelines for the safe transportation of dangerous goods by sea

What is the primary method used to prevent cargo leakage?
a) Regular inspections of the cargo tanks
b) Carrying out regular maintenance of the cargo pumps
c) Ensuring that the cargo tanks are properly coated
d) None of the above

Which of the following statements is true about tankers?
A) Tankers can carry only liquid cargo
B) Tankers are not subject to stability concerns
C) Tankers must follow specific regulations for the safe transportation of cargo
D) Tankers do not require specialized equipment for cargo operations
Answer: C

What is the purpose of the International Safety Guide for Oil Tankers and Terminals (ISGOTT)?
A) To provide guidelines for safe navigation of oil tankers
B) To provide guidelines for safe transportation of oil and chemical cargoes
C) To provide guidelines for safe mooring of oil tankers
D) To provide guidelines for safe bunkering operations
Answer: B

Which of the following is not a common cargo tank coating for chemical tankers?
A) Zinc silicate
B) Phenolic epoxy
C) Stainless steel
D) Epoxy phenolic
Answer: C

Which of the following is an essential document required for loading cargo on an oil or chemical tanker?
A) Dangerous goods manifest
B) Port state control certificate
C) Seaworthiness certificate
D) International Load Line certificate
Answer: A

What is the primary purpose of an inert gas system on an oil tanker?
A) To prevent cargo contamination
B) To increase cargo vapor pressure
C) To reduce the risk of fire or explosion
D) To reduce the cost of cargo operations
Answer: C

What is the maximum temperature at which a flammable liquid can be carried on an oil or chemical tanker without requiring special arrangements?
A) 50°C
B) 60°C
C) 70°C
D) 80°C
Answer: B

What is the minimum safe distance between a tanker and another vessel during cargo operations?
A) 50 meters
B) 100 meters
C) 200 meters
D) 500 meters
Answer: B

Which of the following is a measure to prevent cargo contamination during cargo operations on a chemical tanker?
A) Flushing the cargo tanks with water before loading
B) Using the same cargo hose for different cargoes
C) Mixing different cargoes in the same tank
D) Using a dedicated cargo line for each cargo
Answer: D

Which of the following is a measure to prevent cargo overpressure during cargo operations on an oil or chemical tanker?
A) Keeping the ullage space filled with air during loading
B) Reducing the loading rate when the cargo level reaches a certain point
C) Venting the cargo tank to the atmosphere during loading
D) Increasing the heating rate of the cargo during loading
Answer: B

Which of the following documents must be available on board an oil or chemical tanker before it enters a port?
A) Ballast Water Management Plan
B) Ship Sanitation Control Exemption Certificate
C) Oil Record Book
D) Crew List
Answer: C

What is the purpose of the “Certificate of Fitness for the Carriage of Dangerous Chemicals in Bulk” (Chemical Code)?
A) To identify dangerous chemicals in bulk
B) To provide guidance on the safe carriage of chemicals in bulk
C) To specify the types of chemicals that can be carried in bulk
D) To regulate the maximum quantity of chemicals that can be carried in bulk
Answer: B

What is the purpose of the “International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk” (IBC Code)?
A) To provide guidance on the safe construction and equipment of ships carrying dangerous chemicals in bulk
B) To identify dangerous chemicals in bulk
C) To specify the types of chemicals that can be carried in bulk
D) To regulate the maximum quantity of chemicals that can be carried in bulk
Answer: A

What is the function of an Inert Gas System (IGS) in tanker operations?
A) To maintain the oxygen level in the cargo tanks below the flammability limit
B) To prevent the cargo tanks from collapsing due to negative pressure
C) To provide heating for the cargo tanks
D) To ventilate the cargo tanks during loading and discharge
Answer: A

What is the purpose of the “Material Safety Data Sheet” (MSDS)?
A) To provide information on the physical and chemical properties of the cargo
B) To provide guidance on the safe handling and storage of the cargo
C) To specify the types of personal protective equipment required when handling the cargo
D) All of the above
Answer: D

What is the minimum number of fire pumps required on board an oil tanker?
A) One
B) Two
C) Three
D) Four
Answer: B

OCTCO Exit exam

What is the purpose of the “International Oil Pollution Prevention Certificate” (IOPP Certificate)?
A) To provide guidance on the safe carriage of oil in bulk
B) To identify the types of oil that can be carried in bulk
C) To specify the maximum quantity of oil that can be carried in bulk
D) To verify that the ship has adequate measures in place to prevent oil pollution
Answer: D

What is the function of a Cargo Control Room (CCR) on board a tanker?
A) To provide storage for the cargo
B) To monitor and control the cargo operations
C) To provide accommodation for the crew
D) To store and distribute fresh water for the crew
Answer: B

What is the minimum number of fireman’s outfits required on board a chemical tanker?
A) One
B) Two
C) Three
D) Four
Answer: C

What is the purpose of the “Marine Portable Tanks” (MPT) Code?
A) To provide guidance on the safe carriage of marine portable tanks
B) To identify the types of marine portable tanks that can be carried on board
C) To specify the maximum number of marine portable tanks that can be carried on board
D) All of the above
Answer: D

What is the function of an Inert Gas Generator (IGG) in tanker operations?
A) To provide heating for the cargo tanks
B) To ventilate the cargo tanks during loading and discharge
C) To maintain the oxygen level in the cargo tanks below the flammability limit
D) To monitor the temperature and pressure in the cargo tanks
Answer: C

What is the primary purpose of the ship’s Inert Gas System (IGS) during cargo operations on an oil tanker?
A) To control the pressure inside the cargo tanks
B) To reduce the risk of fire or explosion in the cargo tanks
C) To keep the cargo tanks cool
D) To ensure the stability of the vessel
Answer: B) To reduce the risk of fire or explosion in the cargo tanks

What is the International Maritime Dangerous Goods (IMDG) Code?
A) A set of regulations for the transport of dangerous goods by sea
B) A code of conduct for crew members on tanker vessels
C) A type of cargo tank used for chemical cargoes
D) A classification system for oil tankers
Answer: A) A set of regulations for the transport of dangerous goods by sea

Which type of cargo tank is commonly used for the transport of chemicals on tanker vessels?
A) Stainless steel tanks
B) Mild steel tanks
C) Aluminum tanks
D) Glass fiber reinforced tanks
Answer: A) Stainless steel tanks

OCTCO Exit exam

What is the purpose of the Inert Gas System (IGS) blower during cargo operations on an oil tanker?
A) To maintain a stable temperature in the cargo tanks
B) To increase the pressure inside the cargo tanks
C) To reduce the oxygen content in the cargo tanks
D) To mix the cargo inside the tanks
Answer: C) To reduce the oxygen content in the cargo tanks

What is the primary role of the tank cleaning machine (TCM) during cargo operations on a chemical tanker?
A) To remove residual cargo from the tanks
B) To fill the tanks with cargo
C) To monitor the temperature of the cargo inside the tanks
D) To control the pressure inside the tanks
Answer: A) To remove residual cargo from the tanks

What is the purpose of the International Oil Pollution Prevention (IOPP) certificate?
A) To ensure that the vessel is in compliance with international oil pollution prevention regulations
B) To certify the vessel’s cargo-carrying capacity
C) To ensure that the vessel is equipped with the appropriate navigation equipment
D) To certify the vessel’s structural integrity
Answer: A) To ensure that the vessel is in compliance with international oil pollution prevention regulations

Which organization is responsible for issuing the International Maritime Dangerous Goods (IMDG) Code?
A) The International Maritime Organization (IMO)
B) The International Chamber of Shipping (ICS)
C) The International Transport Workers’ Federation (ITF)
D) The International Association of Classification Societies (IACS)
Answer: A) The International Maritime Organization (IMO)

What is the primary purpose of a cargo heating system on a tanker vessel?
A) To maintain the temperature of the cargo within a certain range
B) To increase the pressure inside the cargo tanks
C) To reduce the risk of cargo contamination
D) To reduce the risk of cargo spillage
Answer: A) To maintain the temperature of the cargo within a certain range

What is the purpose of the Cargo Record Book (CRB) on a tanker vessel?
A) To record details of all cargo operations on board
B) To record the personal details of all crew members on board
C) To record the vessel’s position and speed at regular intervals
D) To record the vessel’s maintenance history
Answer: A) To record details of all cargo operations on board

Which of the following is NOT a typical hazard associated with oil and chemical tanker cargo operations?
a) Toxic chemicals
b) Explosive gases
c) High voltage electrical systems
d) Slippery surfaces
Answer: c) High voltage electrical systems

What is the purpose of a Cargo Record Book?
a) To track the location of cargo tanks
b) To record the volume of cargo loaded and discharged
c) To record the names of all crew members involved in cargo operations
d) To record the weather conditions during cargo operations
Answer: b) To record the volume of cargo loaded and discharged

What is the maximum temperature that cargo tanks should be maintained at during cargo operations?
a) 80°C
b) 100°C
c) 120°C
d) 150°C
Answer: d) 150°C

What is the purpose of an Inert Gas System on an oil or chemical tanker?
a) To provide breathable air in the cargo tanks
b) To prevent explosions by reducing the oxygen content in the cargo tanks
c) To heat the cargo tanks to the required temperature
d) To cool the cargo tanks to the required temperature
Answer: b) To prevent explosions by reducing the oxygen content in the cargo tanks

What is the primary method for transferring cargo on and off an oil or chemical tanker?
a) By pipeline
b) By truck
c) By helicopter
d) By railcar
Answer: a) By pipeline

What is the minimum number of portable gas detectors that must be carried on an oil or chemical tanker during cargo operations?
a) One
b) Two
c) Three
d) Four
Answer: b) Two

Which of the following is NOT a typical cargo containment system used on oil and chemical tankers?
a) Stainless steel tanks
b) Mild steel tanks
c) Coated tanks
d) Copper tanks
Answer: d) Copper tanks

What is the primary method for preventing cargo contamination during cargo operations?
a) Using a properly calibrated cargo pump
b) Using a properly calibrated inert gas system
c) Properly segregating different types of cargo
d) Properly venting the cargo tanks
Answer: c) Properly segregating different types of cargo

What is the purpose of a Crude Oil Washing system on an oil tanker?
a) To heat the cargo tanks to the required temperature
b) To clean the cargo tanks after discharge
c) To transfer cargo from one tank to another
d) To prevent the build-up of cargo residue on the tank walls
Answer: d) To prevent the build-up of cargo residue on the tank walls

What is the purpose of a Stripping System on an oil or chemical tanker?
a) To remove cargo from the cargo tanks after discharge
b) To prevent cargo contamination during cargo operations
c) To provide breathable air in the cargo tanks
d) To prevent explosions by reducing the oxygen content in the cargo tanks
Answer: a) To remove cargo from the cargo tanks after discharge

OCTCO Exit exam questions and answers 2

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OCTCO Exit exam questions and answers 5

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