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Online testing: Test about Tanker Operation v5.0 (CES)
Online test
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The test consists of 80 random questions.
Total questions on this topic: 82
Total questions on this topic: 82
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Under which regulations are COW regulated?
MARPOL Annex I.
Intern. Convention on Safety of Life at Sea (SOLAS).
Convention on Intern. Regulations for Preventing Collisions at Sea (COLREG).
International Convention on Load Lines (Int. LL Conv).
When early departure procedure is accepted, who signs the official documents?
The Master.
The port State control authorities.
The Loading Master.
The agent.
Crude oil washing was made mandatory for new tankers by the 1978 Protocol to the MARPOL Convention. What was the main reason for this requirement?
To reduce the need for water washing.
To avoid the need for sludge removal by hand.
To increase the amount of cargo discharged.
To prevent oil pollution.
Some crude oil loading ports operate an early departure procedure, EDP. Why is EDP used in some ports?
Too expensive to have the vessel waiting for the cargo documents.
The charterers want to check the figures before the Bills of Lading are issued.
Because of a comprehensive and time-consuming handling of cargo documents.
In order to make a quick turn-around and not cause delay at the terminal.
When the vessel is securely moored alongside the discharge terminal, who should be the first to board the vessel?
The local agent.
The quarantine and customs officers.
The loading master and terminal representatives.
The terminal’s security officer.
Oil tankers are required to complete pre-arrival checklist before entering port. How are negative answers in the pre-arrival checklist handled?
Reported to the Ship Owner/Operator.
Reported to the owner’s agent at discharge port.
The Master calls the Chief Officer and Chief Eng. for a meeting.
The negative answer is entered in the weekly work program.
When the discharge of an oil tanker is completed, the cargo surveyors start surveying the cargo tanks. What action would be expected to be taken, if an unacceptable quantity of cargo oil remains on board?
The vessel will be detained until all cargo oil is discharged.
The cargo surveyors request the terminal to assist with a new tank survey.
The cargo surveyors request stripping of the tanks to be resumed.
The cargo surveyors issue a Letter of Protest on behalf of the cargo receivers and charterers.
Ballast water carried on board oil tankers is governed by stringent regulations. Which one of the given options included the regulations covering ballast water for crude oil tankers?
International Convention on Load Lines for Ships.
Ballast Water Management Convention.
Oil Companies International Marine Forum (OCIMF) guidelines.
The International Convention for the Safety of Life at Sea.
All oil tankers are required to complete a pre-arrival checklist. How are negative answers in the pre-arrival checklist handled?
The negative answer doesn’t need to be reported, it is just entered in the weekly work program.
The Master calls the Chief Officer and Chief Eng. for a meeting.
They should be reported to the owner’s agent at discharge port.
They should be reported to the Ship Owner/Operator.
The laden voyage is often used as an opportunity to carry out internal inspection of ballast tanks of a crude oil tanker. What is the normal frequency for inspection of ballast tanks on a crude oil tanker?
Every 6 months.
24 months.
36 months.
Annually.
Where oil loading ports operate an early departure procedure, EDP. Who must agree to accept to operate with procedure prior to arrival at the load port?
The shippers.
The ship owner or operator and the charterers.
The Protection & Indemnity (P&I) Club.
The Master.
When the chief officer is working out the discharge plan for an oil tanker, what information does he base the plan on?
The terminal’s reception capacity.
The cargo distribution.
The voyage order.
The discharge instruction.
There are various checklists currently used on board oil tankers one of which is the pre-departure checklist. What is the main purpose of the pre-departure checklist?
To provide the information required by the agent prior departure.
To verify and document, that the vessel is prepared and seaworthy for the next sea passage.
To ensure, that all crew are on board and well rested.
To verify, that the loading is completed and all ballast tanks are empty.
When the Master of a VLCC receives the following instruction: “On completion bunkering at Fujairah, proceed to Kharg Island and load full cargo Iranian Light crude. Disport Andifer, France. Pls. advise cargo intake”. What kind of order is this?
Voyage order.
Loading order.
Preliminary loading order.
Basis for a complete passage plan.
What does the three-word acronym LOT stand for in relation to the cargo operations of crude oil tankers?
Loaded Oil Tanker.
Load On Top.
Level Oil Tanks.
Liquid Oil Tanks.
Once an oil tanker is cleared by the quarantine and customs authorities the independent cargo surveyors can normally board the vessel. Who do the cargo surveyors usually represent?
The surveyors are representing the cargo receivers and cargo owners or charterers.
The cargo surveyors are representing the ship owner and cargo owner.
The cargo surveyors are representing the vessel’s P&I Club.
The cargo surveyors are representing the National Customs Office.
Crude oil washing (COW) is strictly regulated under MARPOL. Who would normally decide, that the vessel should carry out COW operations during discharge?
The port Authority.
The cargo receiver.
The Master.
The charterers.
For what period of time must the print rolls of the ODME as fitted on an oil tanker be retained for inspection?
5 years.
12 months.
6 months.
3 years.
In a discharge port an independent cargo surveyor will often board an oil tanker. Who does the surveyor normally represent while onboard?
The cargo receivers and charterers.
The ship owner.
The P&I Club.
The terminal.
During discharge and COW operations of a crude oil tanker it is important to monitor the Inert Gas (IG) quality and pressure. What is the procedure if the IG system fails during such operation?
Continue the operation as the P/V valves will open, if the tanks go into an under-pressure condition.
Continue the operation and rectify the IG failure.
Stop the COW operation and reduce the discharge rate.
Stop the discharge and COW.
Once an oil tanker is securely moored alongside the discharge terminal, who is normally the first to board the vessel?
The local agent.
Quarantine and customs officers.
The loading Master and terminal representatives.
The terminal’s security officer.
What is it that independent cargo surveyors normally measure and calculate prior to commencement of discharge operations by an oil tanker?
The cargo figures on arrival.
The remaining on boardquantity (ROB).
The total ship figures on arrival.
The on boardquantity (OBQ).
What is normally calculated by the cargo surveyors following completion of cargo discharge of an oil tanker?
Total quantity of cargo remaining on board (ROB).
Liquid cargo remaining in the pipelines.
Total quantity of oil and water remaining on the vessel.
The experience factor.
Once the vessel has been cleared by the quarantine and customs authorities, the independent cargo surveyors may board the vessel. Who are the cargo surveyors representing?
The surveyors are representing the shippers and cargo owners or charterers.
The cargo surveyors are representing the ship owner and the cargo owner.
The cargo surveyors are representing the vessel’s P&I Club.
The cargo surveyors are representing the National Customs Office.
Which activity is considered to be the most critical on an oil tanker?
Gas freeing and entering a cargo tank.
Crude oil washing (COW).
Hot work in the engine room.
Tank cleaning.
What can lead to a Letter of Protest being issued by the terminal to an oil tanker? Select all relevant options:
Discharging cargo quantity significantly less, than stated arrival cargo figures.
Water traces observed in the received cargo.
Mooring bollard on the jetty damaged by the vessel’s moorings.
Damaged cargo pump resulting in extended discharging time.
When the Master of a VLCC receives following instruction: “After completion loading at Ras Tanura, proceed to dis. port NW Europe incl. Med. Sea and Scandinavia, via Cape”. What kind of order is this?
Basis for a complete voyage plan.
Preliminary discharge order.
Discharge order.
Voyage order.
Which of the given options would normally be done to help avoid any under-pressure in the cargo tanks of a crude oil tanker, when starting the discharge?
Start the IG plant.
Open the mast riser.
Increase the cargo pumps speed.
Continue pumping until the P/V valves open.
When the discharge of an oil tanker is completed, who signs the chief officer’s reception documents for cargo discharged?
The port authority.
The agent.
The independent cargo surveyors.
The loading master.
The cargo tanks on a crude oil tanker are required to be inspected internally. How often must internal inspection of the cargo tanks normally be carried out?
At intervals not exceeding 30 months.
At intervals not exceeding 12 months.
Prior to each dry docking.
During the annual survey by Class.
When the Master receives instruction to proceed to Rotterdam and discharge all cargo at a port, such as Europoort Maatschap Tankfarm, who would normally issue this instruction?
The cargo receiver at Europoort.
The charterer’s agent in Rotterdam.
The cargo owner.
The ship owner/operator or charterers.
On large crude oil tankers, why is it good practice to have the vessel as close to even keel as possible, and with zero list when topping off the tanks?
In order to reach the correct quantity in the tanks.
The SOLAS regulations require no list when a vessel leaves port.
In order to read the draft marks correctly.
In order to assist the port authorities to check the mid ship loading marks.
The IG produced on the crude oil tankers will normally contain some oxygen. What are the requirements for the Oxygen content in the IG during discharge, COW and tank cleaning?
5 % in the IG supply and 8 % in the tank atmosphere.
3 % in the IG supply and 5 % in the tank atmosphere.
5 % in the IG supply and 5 % in the tank atmosphere.
8 % in the IG supply and 15 % in the tank atmosphere.
On the laden voyage the vessel’s integrity and structural conditions need to be checked and monitored, such as atmosphere in empty spaces, water ingress and leakages. Where should the results of these checks normally be recorded?
In the Deck Log Book.
In the vessel’s Planned Maintenance System (PMS).
In the vessel’s Ballast Water Management Plan.
In the vessel’s tank inspection records.
What is the main reason for crude oil tankers to be fitted with a Vapour Emission Control System or Vapour Return System?
Because vapours emitted from crude oil cargo are toxic and can harm human health and the environment.
To prevent loss of cargo through vapour release to the atmosphere.
Collected vapours can be used in the vessel’s boiler, so it is a commercial reason.
The vapours are returned back to the shore tank and mixed with the crude oil, so it is a commercial reason.
When the Master of a VLCC receives the following instruction: “After completion discharge at US Gulf, proceed to Fujairah for order”. What kind of order is this?
Voyage order.
Loading order.
Preliminary loading order.
Basis for a complete passage plan.
What was the size limitation, when the MARPOL Annex I made COW mandatory for new crude oil tankers?
Tankers of 20 000 tons deadweight and above.
Tankers of 10 000 tons deadweight and above.
Tankers of 50 000 tons deadweight and above.
Tankers of 70 000 tons deadweight and above.
Who is in normally in charge of connecting the cargo hoses prior to discharge of an oil tanker?
The duty deck officer under the supervision of chief officer.
The loading master.
The pumpman.
The bosun and deckhands.
Which two persons would normally be responsible for agreeing the loading plan for an oil tanker prior to the vessel loading cargo?
The ship’s master and the agent.
The chief officer and the loading master.
The loading master and the cargo surveyors.
The ship’s master and the chief officer.
After an oil tanker has completed loading operations and the cargo documents have been cleared, the ship’s Master will be given permission to leave the port. What is the term normally used for this permission?
Port clearance.
Port dues paid, vessel free to depart.
Customs clearance.
Vessel’s departure permission.
Who is responsible for developing and implementing an International Safety Management System on board?
The ship owner or operator.
The Master.
The National Maritime Authority.
The classification society to which the ship is classed.
A discharge order may change during the vessel’s voyage. What is the usual reason for such a change to the discharge orders of an oil tanker?
The cargo is sold during the voyage.
The cargo receivers are not able to pay for the cargo.
The cargo receivers do not accept the cargo quality specifications.
Congestion at discharge port.
Prior to commencement of loading an oil tanker, the independent cargo surveyors carry out a tank survey. What do they survey and calculate?
The on board quantity, OBQ.
The total slop and bunker on board.
The total oil and water remaining on board.
The vessel’s experience factor.
It is a requirement, that a record of maintenance and tests of the vessel’s firefighting equipment is kept on board an oil tanker. Which regulations require this?
The International Convention of Safety of Life at Sea (SOLAS).
The ISM Code.
The IMO MARPOL Annex I regulations.
The International Labour Convention (ILO).
Who is normally first to board the vessel after it is securely moored alongside the berth?
The quarantine and customs officers.
The port facility security officer.
The loading master.
The charterer’s agent.
When the Master of a VLCC receives the following instruction: “After completion discharge at Rotterdam, proceed to AG via Suez, intention full cargo Ras Tanura/Ju’aymah for NW Europe incl. Med. Sea. Pls. advise bunker requirements ex. barge Fujairah”. What kind of order is this?
Voyage order.
Loading order.
Preliminary loading order.
Basis for a complete passage plan.
During cargo loading and discharge of an oil tanker the cargo hoses or loading arms must be connected. Is connection of cargo hoses (arms) part of the vessel’s risk assessment?
Yes, but only when the ship’s own hoses are being used.
Yes, it is always part of the vessel’s risk assessment.
Yes, but only when visiting a new port.
No, it is covered by the terminal risk assessment.
Following completion of cargo discharge an oil tanker requires certain documentation before being allowed to sail. Which of the documents given in the options allows the vessel to leave the port?
Receipt for paid light dues.
Receipt for paid port fee.
Receipt for cargo discharged.
Port clearance.
All ballast handling must be recorded in dedicated forms. Where are these forms usually found on board a crude oil tanker?
In the Water Ballast Management Plan.
In the SOPEP.
In the OPA 90 VRP.
In the company’s TQM system.
Who is normally in charge on deck during cargo hose connection operations on an oil tanker?
The duty deck officer under the supervision of the chief officer.
The bosun under the supervision of the duty deck officer.
The loading master.
The ship’s master.
Where would the information relating to a crude oil’s flammable and health hazard characteristics normally be found on board an oil tanker?
In the Material Safety Data Sheet.
In the loading instruction.
In the Bulk Chemical (BC) Code.
In the cargo’s Quality certificate.
The cargo figures for the official Bill of Lading are determined following completion of loading operations for a crude oil tanker. Which figures are the figures for the Bill of Lading initially based on?
The figures given by the cargo owners.
The ship’s figures calculated by the cargo surveyors.
The ship’s figures calculated by the Chief Officer.
The terminal (shore) figures.
When carrying out COW operations on board a crude oil tanker, the regulations require that certain checklists are used. Where on board are these checklists available and how many of them are required?
In the COW Manual and 3 different checklists are required.
In the SOPEP Manual and 2 checklists are required.
In the company’s ISM/TQM system and 3 different checklists are required.
In the International Safety Guide for Oil Tankers and Terminals (ISGOTT) and 3 checklists are required.
When the Loading Master orders the discharge to start at slow rate, a certain amount of cargo has to be discharged before full rate is ordered. What is this discharge sequence called?
Shore clearing.
Flow control.
Line test.
Line displacement.
The discharge plan of an oil tanker will normally include ballast operations. According to IMO regulations, all ballast handling is required to be recorded. Where are ballast handling operations normally recorded on board an oil tanker?
In the Ballast Water Management Plan’s record forms.
In the Deck Log Book.
In the Pump Log.
In the Oil Record Book Part II.
What is the basis for making a loading plan on an oil tanker?
The reception facilities in the discharge port.
The loading order.
The loading rate.
The vessel’s total loading capacity.
All ships, including tankers are issued with orders including voyage orders. Who would normally issue a voyage order?
The cargo owners.
Either the ship owners or ship operators or the characters.
The agent at the discharge, or loading port.
The port authorities.
Why it is less important if crude oil tankers receive a late loading order compared to chemical gas and product tankers?
Crude oil tankers have less tank preparations prior to loading.
Crude oil tankers have less ROB.
Crude oil tankers always carry the same cargo grade.
Crude oil tankers always Load on Top.
When entering a ballast tank for internal inspection, does it require the same procedures as for a cargo tank with respect to “enclosed space entry”?
Yes, all tanks should be considered as enclosed spaces.
No, only cargo tanks are considered as enclosed spaces.
No, ballast tanks are clean and do not require the same precautions to be taken as for cargo tanks.
No, only hard hats and hand torches are required when inspecting ballast tanks.
Who would normally sign all of the cargo documentation prior to departure once a crude oil tanker is finished loading?
The ship’s Master and the shippers.
The ship’s Master and the agent.
The chief officer and the loading master.
The ship’s Master and the cargo surveyors.
All tankers have an approved Loading Manual on board. Which body approves the Loading Manual?
The ship’s building yard.
The classification Society, to which the ship is classed.
The National Maritime Authority.
The ship owner’s/operator’s Technical Department.
During the laden voyage it may be necessary to adjust the cargo tank pressure, either by venting VOC, or topping up the tank pressure by inert gas. There are procedures for carrying out and recording these actions. Where would details of the procedures be found?
In the vessel’s VOC Management Plan.
In the vessel’s SOPEP.
In the chief engineer’s standing orders.
In the vessel’s inert gas manual.
All crude oil tankers are required to have a certain amount of oil pollution prevention equipment on board. Where would details, relating to the specific equipment on your ship, be found?
In the International Safety Guide for Oil Tankers and Terminals (ISGOTT).
In the MARPOL 73/78 Consolidated regulations.
In the Company’s Contingency Manual.
In the Shipboard Oil Pollution Emergency Plan (SOPEP).
The requirements for reporting of oil spills, and situations that may lead to an oil spill are strictly regulated. Where, on boardship, are the details of these reporting procedures normally found?
In the Oil Companies International Marine Forum (OCIMF) Guidelines.
In the Shipboard Oil Pollution Emergency Plan (SOPEP).
In the vessel’s Damage Stability Manual.
In the MARPOL Annex IV regulations.
Who would normally issue the discharge order to the ship’s Master of an oil tanker?
Owner/Operator or Charterer.
The cargo receiver.
The agent in discharge port.
The cargo owner.
It is required, that the condition of the ballast tanks on a crude oil tanker are recorded following inspection. Where are the results of these inspections normally recorded?
In the vessel’s Planned Maintenance System (PMS).
In the Chief Engineer’s files.
In the Chief Officer’s files.
In the owner’s or operator’s Vetting department.
Operating oil tankers poses a risk to personnel and the environment. Which of the given options is considered as the main source of information on guidelines and recommendations for safe operation of oil tankers?
The Oil Companies International Marine Forums (OCIMF).
International Safety Guide for Oil Tankers and Terminals (ISGOTT).
The International Convention on Safety of Life at Sea (SOLAS).
IMO MARPOL Annex I.
Which of the given options may be considered as the most critical operation on board an oil tanker?
Gas freeing and entering a cargo tank.
Crude oil washing (COW).
Hot work in the engine room.
Tank cleaning.
If an accidental discharge of oil occurs from an oil tanker, where on board are the standardized reporting forms for reporting such accident normally available? Select all correct options:
Shipboard Oil Pollution Emergency Plan.
Vessel Response Plan OPA 90.
Oil Record Book Part I.
Oil Record Book Part II.
Some busy crude oil loading ports operate an early departure procedure. What is the main feature of the early departure procedure?
The vessel is permitted to sail without fully completed official cargo documents.
The vessel is permitted to sail as soon, as the agent has received the ship’s cargo figures.
The vessel can sail as soon as the cargo surveyors have completed the cargo calculations.
The vessel is permitted to sail without Port Clearance.
What are the requirements for the oxygen and hydrocarbon gas concentration for safe entry into a cargo tank?
Oxygen 21 % and HC gas less than 1 % LEL.
Oxygen 18.5 % and HC 2 %.
Oxygen 19.5 % and HC 9 % UEL.
Oxygen 20.8 % and HC 1.5 % LEL.
The main purpose of purging cargo tanks with Inert Gas (IG) is to prevent explosive atmosphere in the tanks. What are the standard requirements for oxygen content in the IG supply line and in the cargo tanks?
Maximum 5 % and 8 % respectively.
Maximum 6 % and 11 % respectively.
Maximum 0 % and 5 % respectively.
Maximum 2 % and 5 % respectively.
The Ship-Shore meeting deals with all aspects related to the discharge operation of an oil tanker. What are the main issues discussed in this meeting? Select all of the relevant options:
The discharge plan.
The ship/shore communication.
The crew change.
The safety and security.
The environment protection.
Crude oil tankers are fitted with an ODME. What is the main purpose of the ODME?
To ensure, that the secondary slop tank is kept free of oil.
To reduce the amount of oil in the slop tanks.
To document how much oil is discharged overboard.
To prevent oil pollution.
Who is responsible for checking the vessel’s moorings during loading operations?
Bosun under the supervision of the duty deck officer.
The 2nd. Officer.
The Ship Security Officer.
Bosun and the pumpman.
When entering a cargo tank, or enclosed space, it is by regulations required to record such entry. Where should the entry into the tank be recorded?
The Deck Log Book.
The Oil Record Book Part I.
The Oil Record Book Part II.
In the PMS tank inspection records.
According to the MARPOL Annex I regulations, the cargo tanks of a crude oil tanker need to be crude oil washed for sludge control. What are the requirements in relation to crude oil washing of cargo tanks?
No tank need to be crude oil washed more, than once in every 4 months.
All tanks to be crude oil washed annually.
One quarter of the total number of tanks to be crude oil washed every discharge.
The slop tanks and 4 other tanks to be crude oil washed every discharge.
Who would normally issue the orders for the manifold valves to be opened and the discharge of an oil tanker to be started?
The loading master.
The chief officer.
The ship’s Master.
The chief officer and the duty deck officer in co-operation.
Crude oil tankers often load the next cargo on top of the residue or slops from the previous cargo. Who decides if the vessel is to Load on Top of the slops?
The ship owner or operator.
The charterers.
The cargo owner.
The cargo receiver.
Prior to arrival at a discharge port, a crude oil tanker will require permission to carry out COW operations during discharge. Who would normally need to give permission to carry out COW during discharge operations?
The charterer.
The port authority and terminal prior to arrival.
The Ship Owner/Operator.
The cargo receiver gives permission, as he is focusing on the best out-turn of the cargo.
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