Welcome to the website where you can pass online the CES CBT CD-7012 test on the subject «TOTS 1A-General Tanker Section». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. CES based on practical information and marine specialists experience.
CES tests developed for evaluating seaman basic knowledge by Seagull Company (rebranded as «OTG»), is an evaluating online-tool, used for revealing any professional preparation needed in specific fields of knowledge, defined by STCW.
CES tests have proven themselves as good tools for the selection and recruitment process, as well as advancing the level of knowledge of the current officers and crew. Ocean Technologies Group use various subjects for question creation, which includes:
Crowd and Crisis Management;
Integrated Navigation System (INS);
Ballast water management;
Handling and Stowage;
Vessel operation management and safety;
Marine engineering;
Maintenance and repair, etc.
Current test contains Seagull CES questions on the subject «TOTS 1A-General Tanker Section». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.
«TOTS 1A-General Tanker Section» subject includes theoretical and practical information about advanced training for work on any type of vessel. The test covers advanced training for operating any type of tanker vessel. Students will gain in-depth knowledge of tanker operations, cargo handling, safety procedures and emergency response protocols specific to tankers. The course emphasizes the unique challenges and regulations associated with transporting various liquid cargoes. Practical training will involve simulations and hands-on experience in a controlled environment, mirroring real-world tanker operations. Students will develop critical decision-making skills and enhance their understanding of safe tanker procedures. The course also explores the legal and regulatory framework governing tanker operations globally. Finally, the curriculum ensures that trainees are equipped with the knowledge and skills required for safe and efficient tanker operation.
On this site Crew Evaluation System Test on the subject «TOTS 1A-General Tanker Section» contains 69 questions you need to answer with no possibility to go back to previous question. Therefore, we recommend carefully reading each question and making decision with no hurry. In case you have some difficulty answering, you have also possibility to request a hint.
Choose the regime, in which you want to pass CES test:
Training
Exam
Wild Mode
* Some questions may have more than 1 correct answer.
A Permit-to-Work on electrical circuits is important in order to prevent what?
All of these answers.
Non-scheduled planned maintenance tasks being carried out.
The use of non-intrinsically safe equipment on deck.
Electrical shock.
A Permit-to-Work should specify the period of validity. According to the Code of Safe Working Practices, this period should not exceed how many hours?
12 hours.
24 hours.
Eight hours.
Six hours.
A Risk Assessment can be a useful tool when preparing a Permit-to-Work on electrical circuits.
True.
False.
A single work permit is issued …
Only for the work to be undertaken.
For a variety of tasks.
To keep paperwork up-to-date.
To satisfy auditors.
According to the Code of Safe Working Practices, a Permit-to-Work does not in itself make the job safe but contributes to measures for safe working.
True.
False.
At what gas level must tank washing be stopped?
More than 10 % LFL at any level.
The maximum 35 % LFL at the bottom level.
The maximum 35 % LFL at any level.
The maximum 35 % LFL at the top level.
At what levels should the tank atmosphere gas level be measured prior to and during tank washing?
At various levels.
At the bottom level.
At the middle level.
At the top level.
Before cargo or ballast operations commence, the Master (or his representative) and the terminal representative should do what?
Agree in writing on the action to be taken in the event of an emergency during cargo or ballast handling operations.
Agree in writing on the transfer procedures, including the maximum loading or unloading rates.
Complete and sign the Ship/Shore Safety Checklist.
All three of the above.
Bonding links on portable equipment must not be disconnected until …
After the equipment is no longer in use.
After cargo operations are started.
After requesting permission from shore.
After testing for gas levels.
By what means are ships naturally «earthed»?
Via the loading arms.
Via the main switchboard.
Via the sea.
Via the mooring lines.
During tanker operations what happens if the material has a low relaxation time?
Little or no static electricity accumulates.
Decanting takes longer.
Sediments quickly settle at the bottom.
Stratification into various densities occurs much faster.
During tanker operations, what is the relaxation time of the material mainly related to?
Conductivity.
The flashpoint.
The pour point.
Viscosity.
During ullaging, dipping, gauging or sampling of static accumulator oils, how long should all metallic equipment be banned from use?
10 minutes after completion of loading.
20 minutes after completion of loading.
30 minutes after completion of loading.
One hour after completion of loading.
H2S is normally associated with crude oils, particularly after loading. What other products can contain H2S?
Bitumen.
Bunkers.
Gas oil.
All of these answers.
If hot work is to be undertaken above the tank deck (higher than 500 mm), then cargo and slop tanks must either be cleaned and gas freed, OR emptied purged and inerted, OR filled with water, within a minimum radius around the working area. What is this min?
10 metres.
20 metres.
30 metres.
40 metres.
If hot work is to be undertaken on the tank deck or at a height of less than 500 mm above the tank deck, the precautions taken should be the same as for hot work within the tank.
True.
False.
If petroleum is considered to be volatile, what will the flashpoint temperature be?
38 degrees Celsius and below.
Above 40 degrees Celsius.
Above 50 degrees Celsius.
Below 60 degrees Celsius.
If the conditions under which a Hot Work Permit has been issued change, what should be done immediately?
Stop the hot work.
Amend the work permit conditions.
Extend the validity of the permit.
Prepare additional firefighting equipment.
In what range does the TLV/TWA for H2S lie (Threshold Limit Value for the Time Weighted Average 8 hour day)?
5-15 PPM.
15-25 PPM.
25-50 PPM.
More than 50 PPM.
Liquids are considered to be non-conductors when they have conductivities less than 50 pS/m. Such liquids are often referred to as static accumulators. Which of the following liquids is NOT a static accumulator?
Jet fuel.
Kerosene.
Alcohol.
Xylene.
Loading cargo «over the top» delivers charged liquid to a tank. What danger can result from this operation?
The production of a gas mist.
The production of an increase in petroleum gas concentration in the tank.
The production of excess tank pressure.
The production of a charged mist and an increase in petroleum gas concentration in the tank.
No hot work should be carried out in the vicinity of bunker tanks unless which of the following is carried out?
The tank has been cleaned to hot work standard.
The tank contains fuel with a flashpoint above 60 degrees Celsius.
The tank contains fuel with a flashpoint below 60 degrees Celsius.
The tank is greater than 90 % full.
On a Permit-to-Work for pipeline/pressure vessels, which of the following questions would NOT likely be included as part of the checks?
Has the part of the system to be worked upon been isolated?
Has the pressure been bled off the section to be worked on?
Have all personnel been equipped with the correct personal protective equipment?
Is the lifeboat/rescue boat ready for use?
The Code of Safe Working Practices requires that any faults relating to cargo handling equipment, testing instruments and alarm systems must be …
Reported immediately.
Repaired immediately.
Repaired in dry dock.
Reported when cargo operations are completed.
The International Shore Fire Connection is used for what purpose?
To enable carbon dioxide to be used from shore to fight engine room fires.
To enable the foam line onboard to be connected to an external foam supply from shore.
To enable the water fire main onboard to be connected to an external water supply from shore.
To enable the ship to assist in extinguishing a fire ashore.
The MSDS for a cargo usually contains H2S content in PPM by weight. The H2S content in the vapour space is going to be …
Less.
Greater.
Possibly all of these answers.
The same.
The tank bottom and lines should be flushed with water prior to tank cleaning in a non-inert atmosphere. How should this be done?
Using main cargo lines.
Using a hose by a team inside the tank.
Using a hose from the deck.
Using tank washing machines.
What do the terms «threshold limit value» and «permissible exposure limit» refer to?
Toxicity.
Contact limit.
Immersion limit.
Suppression value.
What equipment is used for testing gas levels in a non-inert atmosphere?
A gascope.
A tankscope.
An Explosiemeter.
An oxygen analyser.
What gas level is to be obtained in a tank before tank washing can be started?
Less than 10 % by volume.
Less than 100 % LFL (Lower Flammable Limit).
Less than 25 % by volume.
Less than 10 % LFL (Lower Flammable Limit).
What happens to a Permit-to-Work upon completion of work?
It is cancelled by the responsible officer.
It is cancelled by the person carrying out the work.
It is left in place in case further work has to be carried out.
It is transferred to another location where similar work is to be carried out.
What is the correct definition of a «spark»?
It is an almost instantaneous discharge between two conductors where almost all of the energy is converted into heat.
It is a diffuse discharge from a highly charged non-conductive object to a single blunt conductor.
It is a diffuse discharge from a single sharp conductor that slowly releases some of the available energy.
It is a rapid high energy discharge from a sheet of material of high dielectric strength with the two surfaces highly charged but of opposite polarity.
What is the correct method of closing off unused cargo and bunker connections?
All unused connections must be closed and blanked. Blank flanges are fitted and have every second bolt secured by a nut.
All unused connections must be closed and blanked. Blank flanges are fitted and are to be fully bolted.
Unused connections may be left unblanked so long as two valve separation exists between the connection and the line in use.
Unused connections on the shore-side of the vessel must be closed and fully blanked. The offshore-side may be left unblanked.
What is the flammable range of a hydrocarbon gas and air mixture?
Above the Upper Flammable Limit.
From 0 % hydrocarbon to the Lower Flammable Limit.
From the Lower Flammable Limit to 100 % hydrocarbon content.
Between the Lower and Upper Flammable Limits.
What is the flashpoint temperature of petroleum that is considered to be non-volatile?
60 degrees Celsius or above.
38 degrees Celsius and below.
Above 50 degrees Celsius.
Below 60 degrees Celsius.
What is the name for the lowest temperature where a liquid gives off sufficient gas to form a flammable gas mixture near the surface?
Flammability temperature.
Gas emission level.
Thermal mass.
The flashpoint.
What is the name of a sudden increase in the pressure of the liquid in a pipeline, caused by a sudden change in flow velocity?
A pressure surge.
Back pressure.
Backflow.
Flashback.
What is the name of an atmosphere made incapable of burning by deliberate reduction of the hydrocarbon content to below Lower Flammable Limit?
Gas free.
Inerted.
Too lean.
Non-inert.
What is the name of an oil that is able to retain a significant electrostatic charge and has a conductivity of less than 50 pS/m?
Electrostatic charged oil.
Static accumulator oil.
Static insulating oil.
Static non-accumulator oil.
What is the name of the practice during tanker cargo operations where all cargo tank apertures, such as ullage pipes and sighting ports, are securely closed?
Closed operations.
Hermetically sealed operation.
Non-intrusive procedure.
Sealed load and discharge.
What is the name of the process where petroleum liquid is ignited through heating rather than using a naked flame?
Heat regeneration.
Spontaneous combustion.
Thermal combustion.
Auto-ignition.
What is the percentage of oxygen content reduced to in a tank if an inert condition has been achieved during tanker operations?
8 %.
0 %.
21 %.
5 %.
What is the process where a type of gas has been introduced into the tank atmosphere and the oxygen content is reduced, thus making it incapable of burning?
Gas free.
Inerted.
Non-inert.
Too lean.
What is the recommended minimum breaking load (MBL) and length for emergency towing-off pennants (fire wires) for a ship of between 100 000 and 300 000 dwt?
MBL = 100 tonnes, L = 45 metres.
MBL = 55 tonnes, L = 45 metres.
MBL = 100 tonnes, L = 60 metres.
MBL = 55 tonnes, L = 60 metres.
What is the word that describes petroleum when it’s inhaled or ingested and causes adverse physiological symptoms?
Convulsive.
Toxic.
Corrosive.
Irritant.
What percentage of oxygen should be inside the tank when tank washing in an inert atmosphere?
The oxygen level should not exceed 8 %.
The oxygen level should not exceed 5 %.
The oxygen level should not fall below 5 %.
The oxygen level should not fall below 8 %.
What should happen to deck scuppers during periods of heavy rain when engaged in cargo or bunker handling?
All deck scuppers must be kept fully closed at all times and never opened until cargo and bunker operations are completed.
Only deck scuppers on the outboard side of the vessel are to be opened to release the rain water. When the rain stops, the scuppers can then be replugged.
Open all deck scuppers to release the rain water. When the rain stops, the scuppers can then be replugged.
One or two scuppers may be opened temporarily to allow rain water to escape but must be closed as soon as possible and in the event of a deck oil spill.
What should personnel on board barges or other craft obey when moored alongside?
Prohibition of naked lights.
Restrictions on the use of cooking appliances.
Smoking restrictions.
All of these answers.
What should the ship’s Master do if an unauthorised craft comes alongside and attempts to secure to the vessel when at a terminal?
Report the craft to the terminal and if necessary stop cargo operations.
All of these answers.
Sound the emergency alarm.
Turn fire hoses onto the small craft.
What washing mediums must never be used?
Chemicals.
Heated water plus chemical additive.
Heated water.
Recirculated water.
What word describes an atmosphere that is above the flammable range?
Explosive.
Over rich.
Flammable.
Non-inert.
What word describes the unrestricted fall of liquid into a tank during tanker operations?
Free fall.
Impingement.
Load on top.
Overflow.
What would be the minimum recommended firefighting equipment to have available when alongside a terminal?
Fire hoses with spray/jet nozzles forward and aft of the manifold and a fire blanket adjacent to the manifold in use.
Fire hoses with spray/jet nozzles run out forward, aft and adjacent to the manifold in use. Also a dry chemical extinguisher near the manifold.
Fire hoses with spray/jet nozzles or fire extinguishers adjacent to the manifold in use.
One fire hose and one dry chemical extinguisher near the manifold in use.
When H2S is known to be present, self-contained breathing apparatus must be used in which of the following activities?
Mopping up spills.
Open gauging and sampling.
Removing blanks for connecting the cargo loading arm.
All of these activities.
When are items on the ship/shore safety check list checked when a vessel is at a terminal?
During cargo operations.
Before cargo or ballast operations commence and then at regular intervals until hoses are disconnected.
Immediately upon berthing and before starting cargo operations.
Upon commencing cargo operations.
When can controlled hot work be carried out within a hazardous area on a tanker?
When the ship is in ballast condition.
When the ship is carrying out cargo operations.
When the ship is carrying out gas freeing operations.
When the ship is carrying out inerting operations.
When carrying out hot work with electric welding equipment, which one of the following statements is correct?
The cable route to the working area should be the shortest and most direct route.
The Direct Current output source should be in excess of 70 Volts.
The ship’s structure should not be used as an earthing point.
The person carrying out the welding operation can work alone so long as a work permit has been issued.
When must ventilation be stopped while carrying out an enclosed space entry?
Never.
Only when 20,7 % oxygen is achieved.
Only when tests show no hazardous gas or oxygen deficiency.
Ten minutes before the pre-entry atmosphere test.
When should tank washing in an inert atmosphere be stopped?
When the tank atmosphere pressure is no longer positive.
When the tank atmosphere pressure exceeds 250 mm WC.
When the tank atmosphere pressure falls below 1 000 mm WC.
When the tank atmosphere pressure falls below 250 mm WC.
When venting is being carried out during the loading of a cargo containing H2S, when should cargo operations be stopped?
When the wind force is greater than 10 m/s.
When there is no wind to disperse the cargo vapours.
When the wind is variable in direction.
When there is a combination of wind and rain.
Where does the Code of Safe Working Practices recommend guidance on general precautions be taken from?
Safety in Oil Tankers.
The Company’s Safety Management System.
The International Safety Guide for Oil Tankers and Terminals.
All of these answers.
Where hot work is planned to be carried out, what should the Lower Flammable Limit (LFL) reading of the atmosphere be?
Less than 1 % LFL.
1 % LFL.
Between 1 % and 2 % LFL.
Greater than 1 % LFL.
Where should the ship’s emergency fire control plans be located?
In a prominently marked weather-tight enclosure outside the accommodation block.
At the bottom of the gangway.
In a prominently marked wallet contained within the cargo control room.
With the Deck Officer of the Watch at all times.
Where the concentration of H2S in cargo is high, what term is often used to describe the oil?
Acidic.
Salty.
Sour.
Sweet.
Which of the following could be considered a «designated space» where hot work is able to be carried out safely?
The engine room.
The engine room workshop.
The forecastle deck.
The poop deck.
Which of the following examples must NOT be electrically bonded?
The ship/shore insulating flange.
Manual ullaging and sampling equipment.
Portable tank cleaning machines.
All of these answers.
Which of the following is NOT considered to be an enclosed space?
A domestic fresh water tank.
A duct keel.
The engine room.
The pumproom.
Which of the following questions would NOT be part of a Permit-to-Work check list for allowing small craft to come alongside?
Has the ship been inerted or gas freed?
Are all deck and cargo openings closed?
Has the Master of the small craft been advised of all appropriate safety regulations (e.g. emergency signals, smoking regulations etc.)?
Is adequate illumination available?
Why is there a limit to the maximum throughput of tank washing machines when washing in a non-inert atmosphere?
To reduce the risk of introducing electrostatically charged mist.
It’s a MARPOL regulation.
To prevent water build up in cargo tanks with resulting free surface.
To reduce the risk of inflammable gas evolution.
Did you find mistake? Highlight and press CTRL+Enter
