Welcome to the website where you can pass online the CES CBT CD-0342 test on the subject «Common Bulk Cargoes». 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);
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- Handling and Stowage;
- Vessel operation management and safety;
- Marine engineering;
- Maintenance and repair, etc.
Current test contains Seagull CES questions on the subject «Common Bulk Cargoes». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.
«Common Bulk Cargoes» subject includes theoretical and practical information about advanced training for work on any type of vessel. This subject provides comprehensive training on the handling and characteristics of common bulk cargoes. Participants will learn about the physical and chemical properties of each cargo, as well as the potential hazards associated with their transport. The course delves into the specific requirements for safe loading, stowage and discharge of different bulk cargoes. Practical training includes cargo calculations, stability assessments and the use of relevant equipment and documentation. Emphasis is placed on compliance with international regulations, such as the IMSBC Code and best industry practices. Upon completion, sailors will possess the necessary knowledge and skills to handle common bulk cargoes safely and efficiently on any type of vessel.
On this site Crew Evaluation System Test on the subject «Common Bulk Cargoes» contains 91 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.
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Amount of questions: 91.
Right answers marked with this sign .
According to the International Grain Code, in a modern bulk carrier design, do the ends of each hold have to be completely filled/trimmed? Select the ONE correct answer.
It depends on the acceptability of the stability calculations.
There is a dispensation which permits them to not be trimmed into the end spaces.
The ends have to be fully trimmed at all times.
The ends of the holds must never be filled.
Apart from rain, which ONE of these is the major cause of grain cargo wetness?
Cargo sweat.
Ice and snow.
Ship sweat.
Ingress of sea water through leaky hatch covers.
Does a «partly-filled compartment» require to be over-stowed when a modern bulk carrier loads grain? Select the ONE correct answer.
Usually not, but the stability needs to be checked for acceptability.
Always.
Never.
Only in the centre holds.
For how long should hold ventilation be shut down before gas monitoring measurements are taken? Select the ONE correct answer.
1 hour.
2 hours.
3 hours.
4 hours.
How can the amount of methane in the space over a coal cargo be measured? Select the ONE correct answer.
By smelling the gas.
Using an explosimeter.
Litmus paper attached to a brass sounding rod.
Using a wet and dry bulb thermometer.
How can the master decide what the maximum permissible grain heeling moment is for their ship? Select the ONE correct answer.
The maximum allowable grain heeling moment for the ship’s displacement and KG.
The maximum grain heeling moment found for any of the holds.
The maximum grain heeling moment permitted by the Load Line Convention.
The maximum value of calculated grain heeling moment for an angle of heel of 25°.
How do the USA, Canada and Australia differ from the International Grain Code requirements in respect of stability calculations? Select the ONE correct answer.
They assume a final heel angle of the ship of 15°.
They differ in their treatment of down flooding angles.
They differ in their treatment of untrimmed ends of holds.
They have lower requirements than the International Grain Code.
How does the master know which fumigant has been used on a grain cargo? Select the ONE correct answer.
The charterer’s fumigator will provide a hazardous chemical data sheet.
The charterer will inform him.
The fumigator will speak to the master.
The shipper will inform him.
How is the actual Grain Heeling Moment found for the whole ship? Select the ONE correct answer.
It is calculated from the statical stability curves for the ship.
It is found in the Grain Loading Manual.
The Volumetric Heeling Moments for each hold are added together and corrected for the actual stowage factor.
The master should ask the shipper on completion of loading.
How often should the hold bilges be sounded during a loaded voyage with an iron ore cargo? Select the ONE correct answer.
Every 12 hours.
Every watch.
Every day.
Every week.
How should non-cohesive cargoes, which have an angle of repose equal to, or less than, 30° (as defined in the IMSBC Code), be treated? Select the ONE correct answer.
As a grain cargo and the International Grain Code applied.
As a cargo that may liquefy under the IMSBC Code.
As a Group B cargo under the IMSBC Code.
As a standard Group C bulk cargo.
If infestation of a grain cargo is found at any inspection during the voyage or prior to arriving at the discharge berth what action should be taken? Select the ONE correct answer.
The master should get the crew to try to remove traces of the infestation.
The master should go alongside for discharge and hope that the infestation is not noticed.
The master should inform his owners and arrange for expert advice on survey or fumigation.
The master should urgently arrange for fumigation on arrival.
If self-heating has started which ONE action could cool the coal cargo?
Boundary cooling, if possible.
Natural ventilation of the coal surface.
Open the hatches to let the breeze cool the cargo.
The hatches can be opened slightly and fire-fighting water sprayed into the coal.
If self-heating is detected which TWO of these actions should be taken?
Hatch covers, coaming drains and hold accesses should be fully closed and sealed.
Surface ventilation should continue.
Through-cargo ventilation should be started.
All ventilation should stop.
If the angle of repose of most iron ore cargoes is about 35°, why they are required to be trimmed level? Select the ONE correct answer.
It is better for bulldozers when they are completing the stow.
It spreads the heavy iron ore cargo weight evenly over the whole tank top.
It is easier to walk about on a level surface.
It makes the discharge easier.
If there is any doubt about the accuracy of the cargo declaration what should the master do? Select the ONE correct answer.
Assume that the cargo might self-heat and act accordingly.
Assume that the Declaration is correct.
Tell the Agent.
Tell the Owner.
In addition to wetness, which ONE of these can make grain cargo self-heating more likely?
Stowage next to or above heated fuel tanks.
Carbon monoxide.
Tropical weather.
Ventilation of the cargo.
In the International Grain Code what does «filled compartment – trimmed» mean? Select the ONE correct answer.
The cargo is poured until it fills the hatch coamings.
All of the spaces under the deck and hatches are filled as much as possible.
The grain is trimmed to fill as much space as possible at the sides but not at the ends under the cross decks.
The grain is trimmed to give an even angle of repose.
In the International Grain Code what does «filled compartment – untrimmed» mean in the case of a modern bulk carrier? Select the ONE correct answer.
The hold is filled completely up to the topside tanks and hatch coamings but not the two fore and aft ends.
The grain is trimmed to fill all of the available underdeck spaces.
The hold is filled but the cargo level does not reach the topside tanks.
The hold is partly filled.
In the International Grain Code what does «specially suitable compartment» mean? Select the ONE correct answer.
A hold that can be easily cleaned after the cargo is discharged.
A hold that is clean enough to receive a grain cargo.
A hold that is the correct size for the parcel of cargo to be loaded.
A hold that has longitudinal sloped topside tanks which are coincident with the hatch side girders.
In which ONE of these can the contents checklist for the loading plan be found?
The BLU Code.
SOLAS Chapter XII.
The IMSBC Code Appendix 3.
The ship’s loading manual.
There will be certain times during grain loading when a ship will not have adequate stability to put to sea. What is the most important action to take? Select the ONE correct answer.
The master should include those times in the Ship-Shore Checklist and inform the terminal representative.
The master should be prepared to go to sea at all times.
The master should notify the charterer.
The master should try to keep those periods to a minimum.
To which IMSBC Code cargo Group(s) do hot and cold-moulded Direct Reduced Iron cargoes belong? Select the ONE correct answer.
Group A.
Group B.
Group A and B.
Group C.
Using temperature measuring ports or pipes, at how many levels should temperature monitoring be done? Select the ONE correct answer.
At the lowest and mid-levels only.
Only at the lowest level.
Only at the surface.
At 2 or 3 levels.
What TWO precautions should be taken to prepare for loading coal cargoes that are declared as giving off methane?
Instruments for measuring methane gas must be available onboard.
Ventilation systems should be checked and working.
Coaming drain valves should be blocked.
Ventilation systems should be blanked off.
What action should be taken if insects, insect larvae, rats or mice, are seen, either dead or alive, at the time of loading grain? Select the ONE correct answer.
Bury the infestation as much as possible.
The master should stop loading, inform his owner and arrange for a surveyor to attend.
The master should have samples taken to show to the discharge terminal.
Try to remove the infestation as much as possible and continue loading.
What are Volumetric Heeling Moments? Select the ONE correct answer.
Heeling moments due to a specified amount of shifting of grain in each hold for a range of hold loading levels.
Heeling moments calculated using the volumes of each hold.
Heeling moments caused by shifting of water ballast during grain loading.
Heeling moments due to the volumes of water displaced during heeling.
What are the TWO main issues when carrying grain cargoes?
Reduction or loss of stability due to cargo shifting.
Cargo liquefaction.
Explosion risk.
Damage, contamination and infestation.
What cargo would you expect to be shipped in a VLBC? Select the ONE correct answer.
Iron ore.
Coal.
Containers.
Grain.
What concentration of carbon monoxide does the IMSBC Code say indicates a coal cargo is self-heating?
10 ppm.
50 ppm.
80 ppm.
100 ppm.
What does a methanometer measure? Select the ONE correct answer.
The amount of air as a percentage of the methane LEL.
The percentage of methane in the air.
The amount of methane as a percentage of the methane LEL.
The likelihood of an explosion as a percentage.
What does a solid equilateral triangle mark on each side of a bulk carrier’s hull near the deck line amidships indicate? Select the ONE correct answer.
There are restrictions on the ship’s ability to load higher density cargoes.
That is the location of the centre of flotation.
The triangle mark makes it easier to locate the load line markings.
This is the deepest load line to which the ship may be loaded in fresh water.
What does an «explosimeter» measure? Select the ONE correct answer.
The amount of methane as a percentage of the methane LEL.
The amount of air as a percentage of the methane LEL.
The likelihood of an explosion as a percentage.
The percentage of methane in the air.
What does «LEL» stand for? Select the ONE correct answer.
Light Emitting Lamp.
Lower Explosive Limit.
Lower Energy Level.
Lower Environmental Limit.
What does «MHB» stand for in relation to bulk carriers and their cargoes? Select the ONE correct answer.
May be Hazardous in Bulk.
Marine Hazard in Bulk.
Most Hatches loaded with Bulk.
Must Have Bulkheads.
What extent of grain shifting is assumed when calculating Volumetric Heeling Moments? Select the ONE correct answer.
12° in every hold.
25° in every full hold and 15° in every part filled hold.
25° in all holds.
35° in every partly filled hold and 12° in full holds.
What is a typical stowage factor for wheat or corn? Select the ONE correct answer.
0,50 m3/t.
0,85 m3/t.
1,36 m3/t.
2,85 m3/t.
What is a «Document of Authorisation»? Select the ONE correct answer.
A document issued by the ship’s flag state certifying that the ship is capable of loading grain cargoes in accordance with the International Grain Code.
A document issued by the ship’s flag state certifying that the ship meets the requirements of the Load Line Convention.
A document provided by the shipper to permit loading to commence.
A document required before discharge of grain cargo can proceed.
What is likely to happen if a grain cargo is loaded which is wet? Select the ONE correct answer.
The bilges will need to pumped more frequently.
The cargo may give off toxic gases.
The cargo may self-heat which can encourage sprouting and/or mould.
The cargo may shift during the voyage.
What is the Grain Heeling Moment? Select the ONE correct answer.
It is the total heeling moment assumed to be caused by the shift of the grain cargo specified in the International Grain Code.
It is the equal to the heeling moment when the cargo has shifted through 12°.
It is the heeling moment due to wind and wave action on the ship.
It is the moment in time when grain starts to shift causing a heel.
What is the coal temperature above which the IMSBC Code says loading should not be allowed? Select the ONE correct answer.
25 °C.
32 °C.
55 °C.
100 °C.
What is the main reason for greasing hatch cover wheels and steel-to-steel contact points before opening and closing of covers? Select the ONE correct answer.
To help prevent sparks which could ignite any explosive gases.
To enable the hatch covers to operate efficiently.
To keep the noise down.
To prevent corrosion.
What is the maximum acceptable level of methane in the space above a coal cargo according to the IMSBC Code? Select the ONE correct answer.
5 % of the LEL.
20 % of the LEL.
70 % of the LEL.
90 % of the LEL.
What is the maximum permissible angle of heel after grain shifting has been calculated? Select the ONE correct answer.
5°.
10°.
12°.
15°.
What is the minimum permissible GM fluid which must be achieved before considering grain stability? Select the ONE correct answer.
0,1 metres.
0,3 metres.
0,55 metres.
0,75 metres.
What is the typical angle of repose of a grain cargo? Select the ONE correct answer.
20°.
10°.
35°.
5°.
What is the typical stowage factor of lump ore? Select the ONE correct answer.
0,35 to 0,85 m3/t.
0,80 to 1,5 m3/t.
1,00 to 1,2 m3/t.
1,3 to 2,0 m3/t.
What precautions should be taken when loading grain to avoid rain water affecting the cargo? Select the ONE correct answer.
Arrange tarpaulins to keep off the rain.
Hatch covers should be closed on non-working hatches.
Never load in rainy conditions.
Ventilate the holds as much as possible between showers.
What should the maximum variation in height be across the top of an iron ore cargo? Select the ONE correct answer.
2 metres or (Beam of ship/10) metres, whichever is the less.
(Beam of ship/20) metres or 2,5 metres, whichever is the less.
1 metre.
It should be absolutely flat and level.
When should coal cargo temperatures be taken? Select the ONE correct answer.
After the hatches are closed.
On completion of loading.
Prior to loading and during loading.
There is no requirement to take the cargo temperature.
Where can the Master find detailed procedures for gas monitoring during the voyage? Select the ONE correct answer.
The IMSBC Code.
IMO Circular A.(82) 743.
The ISM Code.
The shipper’s declaration.
Where can the Ship-Shore Safety Checklist for use by ships and grain loading terminals be found? Select the ONE correct answer.
The BLU Code.
SOLAS documentation.
The IMSBC Code Appendix 3.
The ship’s Loading Manual.
Where can the master find information on coal cargoes and their hazards? Select ONE correct answer.
The International Grain Code.
The internet.
The IMSBC Code.
The ISM Code.
Which IMSBC Code cargo group(s) does an iron ore cargo that may liquefy belong to? Select the ONE correct answer.
Group A.
Group B.
Group C.
Groups A and C.
Which ONE of these IMSBC Code cargo groups would «coal slurry» fall into?
Group A.
Group A and B.
Group B.
Group C.
Which ONE of these can give rise to an explosion hazard in a coal cargo?
Hydrogen.
Carbon dioxide.
Nitrogen.
Propane.
Which ONE of these contains details of cargoes that should be treated like grain, even though they are not grain?
MARPOL Annex V.
The IMSBC Code, Appendix 3.
SOLAS Chapter XII.
The International Grain Code.
Which ONE of these contains guidance on iron ore fines or concentrates which may liquefy?
The International Maritime Solid Bulk Cargo Code.
IMO circular MEPC 157(19).
International Grain Code.
MARPOL.
Which ONE of these contains the permissible shear force and bending moment data for the ship?
The shipper’s declaration.
The ship’s loading manual.
The ship’s official log book.
They are on the ship’s structural arrangement drawings.
Which ONE of these describes why hold bilges should be regularly pumped during voyages loaded with Group C iron ore?
To limit the amount of free water left in the hold at the end of discharge.
To minimise any possible free surface effect on ship stability.
To prevent liquefaction.
To prevent water damaging the lower part of the cargo.
Which ONE of these gases typically causes an explosion risk with coal cargoes?
Nitrogen.
Oxygen.
Propane.
Methane.
Which ONE of these is a hazard associated with cold-moulded Direct Reduced Iron (DRI)?
Self-heating and hydrogen gas fires.
Explosion.
Liquefaction.
Methane production.
Which ONE of these is another name for «alternate hold loading»?
Block loading.
Joint loading.
Jump loading.
Non-adjacent loading.
Which ONE of these is given off when coal self-heats?
Carbon monoxide.
Carbon dioxide.
Methane.
Oxygen.
Which ONE of these is given off when corrosive acids are formed in a coal cargo?
Hydrogen.
Carbon monoxide.
Methane.
Oxygen.
Which ONE of these is likely to cause structural corrosion in a hold containing coal? Select the ONE answer that is the most likely.
Acetic acid.
Formic acid.
Nitric acid.
Sulphuric acid.
Which ONE of these is necessary if cold moulded Direct Reduced Iron is carried?
The space above the cargo should be filled with inert nitrogen at all times.
The cargo should be sprayed with water from time to time.
The holds must be sealed as air-tight as possible.
The space above the cargo should be kept surface ventilated at all times.
Which ONE of these is the percentage of methane in air that creates an explosion risk?
5 % to 16 %.
0 % to 5 %.
17 % to 23 %.
25 % to 30 %.
Which ONE of these is the solution to the problems caused by a very high maximum loading rate?
The loading can go ahead at a high rate and the water ballast discharged later.
The loading and ballast discharge must be carefully planned, with the plan explained to the terminal.
The loading rate can be slowed down.
The master can stop the loading once per watch, so as to be able to discharge water ballast.
Which ONE of these should the master do if self-heating is detected with smoke or heat?
Immediately contact the owners to get expert advice.
Sail on to the discharge port to deal with the problem on arrival.
Sail to a port of refuge and then contact the owner.
Try to fight the fire immediately.
Which TWO are reasons why hatch covers on holds that are not being worked should be closed?
It reduces the amount of air likely to blow through the cargo.
It reduces the possibility of rain or snow entering the coal cargo.
It helps to avoid crew falling into open holds.
It shows the stevedores which holds are to be filled.
Which TWO methods of monitoring the temperature of a coal cargo during loading are recommended?
Use a mercury thermometer probe.
Ask the stevedores.
Use an infrared thermometer.
Use a carbon monoxide gas detector.
Which TWO of these are grain cargoes?
Wheat.
Dolomite.
Maize.
Gypsum.
Which TWO of these are particular hazards of coal cargoes?
Explosion.
Toxic gases.
Infestation.
Shifting.
Which TWO of these are signs of self-heating in a coal cargo?
Cargo temperature measurements at any level in the stow reach 40 °C.
The cargo temperature is found to be rising quickly.
Hydrogen gas is detected.
Methane levels are found to be high.
Which TWO of these help personnel reduce the risks from the dust made by iron ore cargoes?
Regular washing of outer clothing.
Wear the correct PPE, including a dust mask.
Do not spend any time on the foredeck.
Wait for the wind to drop before carrying out work on deck.
Which TWO of these increase the risk of suffocation in a hold containing coal?
The oxygen is depleted by chemical reactions in the coal.
Nitrogen replaces some or all of the breathable air.
The coal gives off inert gases.
Carbon monoxide replaces some or all of the breathable air.
Which TWO of these iron ores are IMSBC Code Group C cargoes?
Lump ore.
Run of Mine ore.
Concentrates.
Fines.
Which TWO of these might indicate self-heating of a coal cargo?
A carbon monoxide measurement of 50 ppm or more is measured.
A steady increase in daily carbon monoxide measurements over 3 days.
Hydrogen gas is detected.
The hatch covers feel warm.
Which TWO things are needed for self-heating to occur in a coal cargo?
Moisture.
Carbon monoxide.
Oxygen.
Methane.
Which intact stability requirements must a ship carrying grain comply with? Select the ONE best answer.
Both Load Line Convention and International Grain Code.
MARPOL damage stability criteria.
The International Grain Code only.
The Load Line Convention only.
Which of these best describes which ships are subject to the International Grain Code when carrying bulk grain? Select the ONE correct answer.
Ships less than 75 000 dwt.
Ships over 100 metres in length.
Ships over 500 grt.
All ships regardless of size.
Which of these cargoes groups are known as the «major bulks»? Select the ONE correct answer.
Iron ore, coal and grain cargoes.
All bulk cargoes carried in dry bulk carriers.
All mineral cargoes.
Grain cargoes and mineral concentrates.
Which of these is the biggest hazard associated with iron ore cargoes? Select the ONE correct answer.
Over-stressing of the hull structures.
Cargo sweat.
Explosion.
Loss of stability.
Which of these precautions must be taken before entering a hold that contains iron ore? Select the ONE best answer.
All aspects of the enclosed space entry must be complied with according to the SMS.
Hold lighting should be switched on.
The atmosphere should be checked for methane and carbon monoxide.
The bridge OOW should be told.
Who should test the atmosphere of a fumigated space after ventilation at the discharge port in order to declare the space safe to enter? Select the ONE correct answer.
The cargo receiver.
An expert chemist.
The chief mate.
The port agent.
Why does most localised damage to ship structures take place during discharge? Select the ONE correct answer.
Grabs and bulldozers can cause impact damage.
Lack of visibility due to dust.
The cargo has to be discharged as quickly as possible.
The hatch openings are relatively small.
Why should hold access ways and adjacent compartments be sealed while carrying coal? Select the ONE correct answer.
To prevent explosive gases from moving into those spaces.
To keep the dust down.
To prevent cargo theft.
To prevent ingress of water.
Why should hold bilge pumping records be kept while carrying iron ore cargoes? Select the ONE correct answer.
There may be disputes about differences between loaded and discharged cargo weights.
To enable stability calculations to be carried out prior to discharge.
To meet MARPOL requirements.
To prove that the hold bilge pumps continue to work well.
Why should the condition of electrical systems in the holds and nearby access ways be checked before loading a coal cargo? Select the ONE correct answer.
As part of a planned maintenance system.
To avoid having to go into the hold to fix them during the voyage.
To make sure that no electrical sparks can occur which could ignite explosive gases.
To save energy.
Why should you never do through-ventilation into the body of a coal cargo? Select the ONE correct answer.
It will increase the likelihood of self-heating of the cargo.
It might cause sweating of the cargo.
It might dry out the coal.
It will increase the likelihood of methane being emitted.
