Quiz Hotel Service Unit 1 Q5

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Question: Which of the following is NOT typically considered a dangerous enclosed space on a vessel?

C) Accommodation block

B) Boiler furnace

D) Void space

A) Fuel tank

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Question: Which of the following can cause a reduction of oxygen levels in an enclosed space on board a vessel?

B) Maintenance work in open areas

C) Rusting or corrosion of metal surfaces

A) Human activity

D) Presence of non-hazardous cargo

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Question: What is the primary reason for testing the atmosphere in an enclosed space before entry?

B) To ensure the lighting is adequate

C) To determine if the atmosphere is safe for breathing

A) To check for structural integrity

D) To measure the temperature of the space

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Question: Which of the following dangerous gases might accumulate in an enclosed space such as a fuel tank?

B) Hydrogen sulfide

D) Helium

C) Nitrogen

A) Carbon dioxide

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Question: Which of the following is an example of a dangerous enclosed space on board a vessel?

C) Ballast tank

B) Engine control room

D) Cargo hold with proper ventilation

A) Bridge

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Question: Why might the atmosphere in an enclosed space such as a ballast tank be dangerous?

A) Lack of proper lighting

D) Unstable flooring

B) High oxygen levels

C) Presence of toxic gases or lack of oxygen

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