Oil Tanker Competence

Enclosed Space Entry – Safety & Procedures

This test evaluates your understanding of hazards, regulations, risk assessment, safety precautions, and emergency procedures related to enclosed space entry. It covers IMO and SOLAS requirements, identification of risks, pre-entry assessments, use of personal protective equipment (PPE), atmospheric testing, ventilation, safety watch protocols, and emergency response procedures.

Questions 15

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

What is required period for rescue training in the enclosed space entry as per SOLAS?

A At least every two months.

B At least once for every member of the crew.

C At least every voyage.

D At least every six months.

Question 2

What information shipper should to provide to master before start cargo operation?

A Material Safety Data Sheet (MSDS).

B Technical operation booklet.

C Material Safety Data Sheet (MSDS) only for cargoes, which are described in MARPOL Annex II.

D Certificate of Quantity.

Question 3

Is the lifeboat considered an enclosed space under ISGOTT sixth edition?

A Yes, but according to the SMS a lifeboat can be subject to enclosed‑space entry procedures.

B No.

C Yes.

D No, but the SMS can designate a lifeboat as an enclosed space.

Question 4

How many deaths have occurred in ships' confined spaces over the past 20 years?

A More than 1000.

B More than 10000.

C 500–800 people.

D 100–200 people.

Question 5

You measured atmosphere for Oxygen (O₂); what is a safe range?

A Not less than 20.8 %.

B Typically 19.5 % to 23.5 %.

C Not less than 21.5 %.

D Not less than 20.5 %.

Enclosed Space Entry – Safety & Procedures

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