Welcome to the website where you can pass online the CES CBT CD-0341 test on the subject «Liquefying 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);
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 «Liquefying Cargoes». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.
«Liquefying Cargoes» subject includes theoretical and practical information about advanced training for work on any type of vessel. It is vital for seafarers on bulk carriers to understand the risks associated with liquefying cargoes, as these materials can shift unexpectedly during a voyage, leading to stability issues and potential capsizing. Proper knowledge of cargo properties and handling techniques ensures that the crew can take preventive measures, safeguarding both the vessel and its personnel. Understanding these risks is essential for maintaining compliance with safety regulations and ensuring a safe voyage.
On this site Crew Evaluation System Test on the subject «Liquefying Cargoes» contains 42 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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* Some questions may have more than 1 correct answer.
A cargo of 60 000 tonnes of nickel ore is for shipment. Which ONE of the following is the number of samples that should be taken by the shipper, according to the IMSBC Code?
10.
120.
50.
6.
Although the «can test» is not a substitute for proper laboratory testing, which ONE of the following correctly identifies what a «wet» result should tell the master or mate?
That the sample is likely to be above the TML and that there is a risk of cargo liquefaction in the remainder of the cargo presented to the ship.
That the sample for the ‘can test’ was taken from too near the surface of the stockpile.
That the sample is likely to be above the TML but the rest of the cargo will probably be safe to load.
That the sample is wet but more “can tests” should be carried out to find other dryer samples in the stockpiles so as to get an overall average moisture content which is below the TML.
How many different test methods that can be used by the shipper for determining the Transportable Moisture Limit are identified in the IMSBC Code?
1.
2.
3.
4.
If a shipper declares a cargo as IMSBC Code Group C but the master has suspicions that this might not be correct, which TWO of the following steps should the master take?
Contact the Competent Authority for the port.
Contact the ship manager.
Check the IMDG Code.
Check the terms of the charter party.
If no shipper’s declaration has been received, should cargo loading be allowed to start?
Yes.
No.
If the moisture limits are exceeded in any cargo hold, once cargo loading has started, is the master allowed to suspend loading operations?
Yes.
No.
If the shipper does not provide satisfactory cargo information, or is not co-operative in safe loading, to which TWO of the following should the master report?
The Competent Authority for the port.
The ship’s P&I Club.
The ship’s classification society.
The ship’s Hull and Machinery insurers.
In which ONE of these books can you find detailed guidance on cargoes which may liquefy?
FTP Code.
IMDG Code.
ISM Code.
IMSBC Code.
Is it acceptable to load cargo with a moisture content (MC) less than the Transportable Moisture Limit (TML) in some holds and cargo with a MC greater than the TML in other holds?
No, this is not correct.
Yes, this is acceptable at any time.
Yes, this is correct, so long as the MC is below the flow moisture point.
Yes, this is correct, so long as the overall average MC is less than the TML.
Is the following statement always true? «When a can test shows no free fluid it means that the cargo is safe to load.»
Yes.
No.
The cargo is not listed in the IMSBC Code but consists of fine particles and appears to be damp or wet. Can it be safely loaded without testing for moisture content?
Yes.
No.
What is the IMSBC Code recommendation for the minimum number of times that the can is banged down when carrying out a «can test»?
5 times.
15 times.
25 times.
50 times.
Which ONE of the following IMSBC Code groupings should be used if 80 % of a bulk coal cargo is made up of fine particles and the remaining 20 % is larger lumps?
Group A only.
Group B only.
Group A and B.
Group C only.
Which ONE of the following actions is available to the master, before loading, to assess the moisture content of a cargo?
They can look at the cargo stockpile and, if it looks wet carry out «can tests».
They can ask which moisture test method was used.
They can take a sample from the cargo stockpile and heat it in a pan.
They can take a sample from the cargo stockpile and look at it under bright light.
Which ONE of the following best defines the term «cargo liquefaction» in relation to solid bulk cargoes?
When a Group B dry bulk cargo shifts due to excessive rolling angles.
When a Group C dry bulk cargo shifts due to excessive rolling angles.
When leaks of water through a hatch cover cause the cargo to become wet.
When the whole body of the cargo in a hold compacts during the voyage and the cargo starts to behave like a fluid.
Which ONE of the following best describes what happens to the moisture in a cargo when moisture migration takes place?
It dries out naturally.
It moves down towards the bottom of the cargo stow.
It moves from side to side.
It moves up towards the surface of the cargo.
Which ONE of the following cargo groups is subject to the IMSBC Code?
Solid bulk cargoes other than grain.
Cargoes in intermediate bulk containers.
Crude oil.
Grain.
Which ONE of the following correctly identifies how the master should be informed that the Competent Authority has approved the shipper’s test procedures?
The charterer tells him.
The shipper gives him an email statement.
He is given a document by the shipper or the Competent Authority stating that the procedures have been approved.
The shipper tells him.
Which ONE of the following correctly identifies why loading should only be started after satisfactory declarations have been received from the shipper?
If «wet» cargo is loaded it will need to be mixed with some dry cargo to give an acceptable average moisture content in each hold.
The shipper is responsible for loading the ship safely.
It is very difficult to unload wet cargo in the loading port once it has been loaded.
The shipper is responsible for loading the ship within the charter party time limits.
Which ONE of the following describes how the shipper should let the ship know the results of the moisture content tests of a dry bulk cargo?
They inform the master by email.
They provide the information on completion of cargo loading.
They tell the OOW on deck.
They issue a signed certificate to the master.
Which ONE of the following identifies the cargo group(s) that a cargo that may liquefy belongs to, according to Appendix 1 of the IMSBC Code?
Group A.
Group B.
Group B and C.
Group C.
Which ONE of the following identifies the most important result of cargo liquefaction?
Blockage of bilge suctions.
Cargo shift leading to loss of stability.
Difficulty in discharging the cargo.
Risk of cargo damage.
Which ONE of the following is correct if a cargo stockpile is sampled, and the Moisture Content (MC) is found to be uniform at 95 % of the Flow Moisture Point (FMP)?
It is not safe to load the cargo because the MC is more than 90 % of the FMP.
It is always safe to load the cargo as the MC is less than the FMP.
It will be safe to load the cargo, but only if it passes a «can test».
It will be safe to load the cargo, but only if the cargo looks dry.
Which ONE of the following is responsible for certifying the Transportable Moisture Limit and the actual moisture content of a cargo, or part cargo?
The charterer.
The master.
The ship’s agent.
The cargo shipper.
Which ONE of the following is responsible for issuing the cargo declaration if a cargo, offered for loading, is not shown in the IMSBC Code Appendices?
The Competent Authority.
The ship manager.
The ship owner.
The shipper.
Which ONE of the following is responsible for providing the Competent Authority with the cargo characteristics if a cargo, offered for loading, is not shown in the IMSBC Code Appendices?
The shipper.
The master.
The port authority.
The ship owner.
Which ONE of the following is responsible for warning a ship about the risk of «wet base» cargoes?
The cargo shipper.
The charterer.
The ship’s agent.
The ship’s master.
Which ONE of the following is the maximum moisture content that is considered safe for the carriage of IMSBC Group A bulk cargoes?
100 % of the Transportable Moisture Limit (TML).
100 % of the Flow Moisture Point (FMP).
75 % of the Transportable Moisture Limit (TML).
90 % of the Transportable Moisture Limit (TML).
Which ONE of the following is the maximum time that is allowed before loading that the declared moisture content can be measured by the shipper?
10 days.
7 days.
2 weeks.
5 days.
Which ONE of the following is the most accurate if the shipper declares that the moisture content is different at various places in the stockpiles of an IMSBC Group A cargo?
Only cargo which has a moisture content equal to or less than the TML can be safely loaded.
Cargo from the various stockpiles can be mixed: provided the average moisture content in each hold is equal to or less than the TML.
Cargo from the various stockpiles can be mixed: provided the average moisture content in the whole cargo is equal to or less than the TML.
If the average moisture content in the various stockpiles is equal to or less than the TML then loading can safely go ahead.
Which ONE of the following is the most likely consequence of cargo shift due to cargo liquefaction?
Structural damage to the hatch covers.
The ship heels, but remains stable.
The ship heels to an angle of loll where she has little residual stability and a free surface in the cargo spaces.
The ship trims by the stern.
Which ONE of the following is the percentage of the Flow Moisture Point that is considered to be the Transportable Moisture Limit?
100 %.
90 %.
75 %.
50 %.
Which ONE of the following most accurately describes the action that should be taken where the ship’s master suspects that the various cargo stockpiles that are to be used for loading the ship may have varying moisture contents?
Ensure that the cargo in each hold is mixed, so that the average moisture content is acceptable.
No action is required as long as the average moisture content over the whole ship will be OK.
The master should write a Note of Protest.
The master must insist that the shipper make a separate declaration for each stockpile or for the stockpile intended for each hold.
Which ONE of the following most accurately describes when it is acceptable to load cargoes with a moisture content above the Transportable Moisture Limit (TML) on a normal bulk carrier?
It is never acceptable.
Only if the cargo has been previously carried without problems.
Only if the forecast weather «en route» is good.
Only if the moisture content is less than 5 % above the TML.
Which ONE of the following most accurately describes why cargo liquefaction causes loss of stability?
The liquefied cargo acts like a free surface, causing a virtual rise in the ship’s centre of gravity.
The centre of gravity of the cargo stow gets higher.
The centroid of the waterplane moves upwards.
The ship heels to small angle.
Which ONE of the following most accurately identifies when loading of a bulk cargo should be allowed to start?
As soon as the hatches are open.
Only when the weather conditions are dry.
When the shipper tells the master to start.
After satisfactory written cargo declarations have been received from the shipper.
Which ONE of the following statements is the most accurate in relation to a sample of IMSBC Group A cargo taken from a stockpile which appears to be dry?
It might be safe to load but the shipper’s declaration must be checked, to ensure the moisture content is below the declared TML.
If it also passes a can test it is OK to load the cargo.
If it looks dry it is OK to load the cargo.
It might be safe to load but the shipper must be telephoned, to ensure the moisture content is OK before loading begins.
Which ONE of the following terms is the acronym «BCSN» used for in relation to the IMSBC Code?
Bulk Cargo Shipping Name.
Bulk Cargo Shipment Number.
Bulk Cargo Statutory Name.
Bulk Carrier Ship Number.
Which ONE of the options is the most accurate in relation to the following statement? «If moisture migrates to the bottom part of the cargo stow, and «wet base» conditions arise, it can lead to a dangerous cargo shift».
No, high moisture content only leads to the upper part of the cargo sloshing back and forth.
Yes, the whole body of the cargo can slide from side to side when the ship rolls with the water acting as low-friction lubricant.
No, only liquefaction of the top surface of the cargo causes cargo shift.
Yes, the bottom of the cargo can move, leaving the higher parts unsupported.
Which ONE of these is the easiest way for the master to find out which test method was used to find the Transportable Moisture Limit (TML)?
The shipper has to provide the master with test certificates for the test method used to find the TML.
The master can contact the Competent Authority in the discharge port.
The master can contact the Competent Authority in the loading port.
The ship’s agent can contact the shipper.
Which TWO of the following dry bulk cargoes are most likely to liquefy?
Mixed fine particles and lumps.
Cargo which is mainly medium to large lumps.
Large rocks.
Cargoes made up of fine particles.
Which one of the following most accurately identifies when cargo liquefaction can occur?
At any stage while the cargo is onboard.
After arrival at the discharge port.
Only during heavy weather.
Only near to the end of the voyage.
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