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Seagull CBT Enclosed Space Entry, Hazard Awareness and Preparations for Entry Answers (CD 0387, Deck, Support)

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Amount of questions: 14.

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Which ONE of the following is the best definition of an enclosed space? Select the ONE best answer.
Only spaces that are designated as enclosed spaces.
Any space with limited openings for entry and exit or poor ventilation.
Only spaces that can be totally enclosed, such as ballast and fuel tanks.
Tanks, cargo and machinery spaces where a prolonged visit to carry out work is necessary.
The IMO say that you must carry instruments onboard to check the atmosphere of an enclosed space. As a minimum, which gases do the IMO say you should be able to check for? Select the ONE correct answer.
Oxygen, flammable gas, hydrogen sulphide and carbon monoxide.
Carbon di-oxide, benzene, flammable gas, and hydrogen sulphide.
Oxygen, benzene, flammable gas, and hydrogen sulphide.
Carbon di-oxide, carbon monoxide, flammable gas, and hydrogen sulphide.
How much oxygen is present in normal atmospheric air? Select the ONE correct answer.
18 % by volume.
21 % by volume.
23 % by volume.
50 % by volume.
What is the maximum acceptable reading on a flammable gas meter before entry into an enclosed space? Select the ONE correct answer.
Up to 50 % of the lower flammable limit.
Up to 1 % of the lower flammable limit.
Up to the lower flammable limit.
Up to 1 % concentration by volume.
According to SOLAS, when must you wear a personal multi-gas detector? Select the ONE correct answer.
Only the person in charge of the work always needs to wear a multi-gas detector.
Whenever it has been listed as a precaution on a Permit to Work.
Whenever the duration of the work is longer than ten minutes.
Whenever you enter an enclosed space.
Should you ALWAYS have a permit before you enter an enclosed space? Select the ONE correct answer.
Not always, for instance if it has never contained toxic substances and looks like it has been well ventilated.
Yes.
Not always, for instance if it is a small space and everything looks in order.
Not always, for instance if other people have been working in there recently.
During entry preparations, what should be done with any valves that are connected to an enclosed space? Select the ONE best answer.
They should be checked for free movement and then left closed.
They should be opened to drain the contents of any connected lines.
They should be closed, locked out and tagged out.
They should be closed.
Under SOLAS, how often should enclosed space entry and rescue training be carried out? Select the ONE correct answer.
At least once for every member of the crew.
At least every six months.
At least every voyage.
At least every two months.
According to this module, who should sign a permit to work for an enclosed space? Select the ONE correct answer.
The person who did the risk assessment.
A responsible person and the worker in charge of the task.
The ship's safety officer.
All those involved in the work.
Why do we need to know what cargoes have previously been carried in a cargo space before entering it, or any space next to it? Select the ONE best answer.
We don't, provided we use a personal gas monitor.
Because we need to know which toxic substances may be present so that we can test for them.
Because we need to know which oxygen depleting substances may be present so that we can test for them.
Because we need to know which flammable substances may be present so that we can test for them.
According to IMO guidelines, what should be the maximum limit for our exposure to substances with long term health effects? Select the ONE correct answer.
24 hours.
50 % of the Occupational Exposure Limit (OEL).
Zero (0).
The Occupational Exposure Limit (OEL).
According to SOLAS, which gases should a personal multi-gas detector be able to monitor? Select the ONE correct answer.
Oxygen, hydrogen sulphide and other gases as appropriate.
Oxygen, carbon monoxide and other gases as appropriate.
Oxygen, hydrogen sulphide and flammable gases.
Oxygen and flammable gas.
Should you ALWAYS have a permit before you enter an enclosed space? Select the ONE correct answer.
Yes.
Not always, for instance if other people have been working in there recently.
Not always, for instance if it has never contained toxic substances and looks like it has been well ventilated.
Not always, for instance if it is a small space and everything looks in order.
According to SOLAS, what is the minimum amount of oxygen required for entry into an enclosed space? Select the ONE correct answer.
21 % by volume.
18 % by volume.
15 % by volume.

Welcome to the website where you can pass online the CES CBT CD-0387 test on the subject «Enclosed Space Entry, Hazard Awareness and Preparations for Entry». 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 «Enclosed Space Entry, Hazard Awareness and Preparations for Entry». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.

«Enclosed Space Entry, Hazard Awareness and Preparations for Entry» subject includes theoretical and practical information about advanced training for work on any type of vessel. This examination will assess your theoretical knowledge and practical skills for safe enclosed space entry procedures on all vessel types. Candidates will be tested on their ability to identify potential hazards in confined spaces, including atmospheric, chemical and physical dangers. The assessment will evaluate your understanding of proper pre-entry preparations, including atmospheric testing protocols and ventilation requirements. You will need to demonstrate knowledge of emergency procedures and rescue protocols specific to enclosed space incidents. The test includes practical scenarios requiring proper selection and use of personal protective equipment (PPE) for confined space entry. Examinees must show competency in interpreting and completing permit-to-work documentation for enclosed spaces. The evaluation will verify your ability to implement control measures and isolation procedures prior to entry operations. Successful completion confirms your capability to plan, supervise and safely execute enclosed space entries in compliance with international maritime safety standards.

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Verified by
Vladimir Filatov
Vladimir Filatov
Chief Officer
About

Senior Mate with 12+ years of experience in the international merchant marine.

  • Development and implementation of navigation and on-board safety plans.
  • Supervising the work of the crew and assisting the captain in managing the vessel.
  • Participation in training of junior crew, ensuring compliance with safety standards.

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May, 28, 2025 12790 0
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