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QID - 25567

You are on a cargo vessel carrying portable tanks of dangerous cargoes in bulk. Which statement is TRUE?

If the tanks are pumped out while remaining on board, each hose connection must have a minimum of three bolts. 
When transferring sulfuric acid, you must display a red flag by day whether at anchor or moored.
All electrical equipment within 10 feet horizontally must be explosion proof or intrinsically safe.
If the tanks are off loaded, no more than two tanks may be lifted together in a hoist.
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