NIMASA STCW PSSR Practice Questions - NIMASA STCW Personal Safety And Social Responsibilities Examination (Nigeria) Exam

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What is the most critical first step before any crew member enters an enclosed space, such as a cargo hold or ballast tank?

Putting on a self-contained breathing apparatus (SCBA). Testing the atmosphere for oxygen, toxic gases, and flammable vapors using calibrated instruments. Obtaining permission from the cook to enter the space. Ensuring that a flashlight and a safety harness are placed inside the entrance.

Correct Answer:

Testing the atmosphere for oxygen, toxic gases, and flammable vapors using calibrated instruments.

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