Quiz Hotel Service Unit 1 Q5

1 / 6

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

C) Rusting or corrosion of metal surfaces

D) Presence of non-hazardous cargo

A) Human activity

B) Maintenance work in open areas

2 / 6

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

D) To measure the temperature of the space

B) To ensure the lighting is adequate

C) To determine if the atmosphere is safe for breathing

A) To check for structural integrity

3 / 6

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

A) Carbon dioxide

C) Nitrogen

B) Hydrogen sulfide

D) Helium

4 / 6

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

D) Cargo hold with proper ventilation

A) Bridge

C) Ballast tank

B) Engine control room

5 / 6

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

A) Lack of proper lighting

B) High oxygen levels

C) Presence of toxic gases or lack of oxygen

D) Unstable flooring

6 / 6

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

A) Fuel tank

B) Boiler furnace

C) Accommodation block

D) Void space

Your score is