Engine : Engineering Safety - 762/968
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| Which of the following precautions are necessary when using any electrical equipment in a hazardous location, such as a cargo pump room? |
| A) Each compartment where flammable gas is expected to accumulate is to be closed and secured. |
| B) The adjacent compartments are to be gas free. |
| C) The pump room is to be gas free. |
| D) All of the above. |
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