No. 0387 Enclosed space entry, Hazard awareness and preparations for entry

Q: Which ONE of the following is the best definition of an enclosed space? Select the ONE best answer.
A: Any space with limited openings for entry and exit or poor ventilation.

Q: How much oxygen is present in normal atmospheric air? Select the ONE correct answer.
A: 21% by volume.

Q: What is the maximum acceptable reading on a flammable gas meter before entry into an enclosed space? Select the ONE correct answer.
A: Up to 1% of the lower flammable limit.

Q: 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.

Q: 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.
A: Oxygen, flammable gas, hydrogen sulphide and carbon monoxide.

Q: 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.
XX A: Occupational Exposure Limit (OEL).

Q: According to SOLAS, which gases should a personal multi-gas detector be able to monitor? Select the ONE correct answer.
XX A: Oxygen, hydrogen sulphide and flammable gases.

Q: According to SOLAS, what is the minimum amount of oxygen required for entry into an enclosed space? Select the ONE correct answer.
A: 21% by volume.

Q: According to this module, who should sign a permit to work for an enclosed space? Select the ONE correct answer.
A: A responsible person and the worker in charge of the task.

Q: During entry preparation, what should be done with any valves that are connected to an enclosed space Select the ONE best answer.
A: They should be closed, locked out and tagged out.

Q: Should you ALWAYS have a permit before you enter an enclosed space? Select the ONE correct answer.
A: Yes.