Safe Working Practice. Test 3

Safe Working Practice. Test 3

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Electric arc welding is to be carried out in the machinery spaces other than the workshop. Which of the alternatives below would be the correct procedure for the connection of the 'return' cable to the welding set?
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Before leaving the machinery spaces of a UMS vessel whose engine room is covered by a fixed CO2 installation, should the duty engineer:
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How often should oxygen valves, tools etc be oiled or greased?
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The responsibility for safety and security rests with everybody on board the vessel. General house-keeping rules should be followed. Which of the listed rules is the most important?
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A tank containing hydrocarbon residues requires manual cleaning by use of shovels, scrapers etc. Should you:
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In a closed room with freon leakage, you have to do some work that requires the use of open flame. Can this be dangerous?
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Before entering tanks and / or enclosed spaces - what should be done?
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When working in areas which requires the use of a ladder, should you:
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Gas welding is carried out in the work shop. Prior to lunch break the following precaution is carried out:
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What is the normal procedure for safe operation when one of the main engine fuel pumps is to be put out of action?
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