Question 170Safety & Environmental - QMED70% to pass
"Portable" oil tank cleaning machines are usually provided with a water supply from the _______________.
AI Explanation
The correct answer is B) fire main.
Portable oil tank cleaning machines are typically provided with a water supply from the fire main system on board a vessel. The fire main is a system of piping and fire hydrants that provides a ready source of water for firefighting purposes. This water supply is suitable for use in the oil tank cleaning machines, as it is pressurized and readily available throughout the vessel.
The other options are incorrect because: A) an inert gas scrubber is not a source of water supply, C) the potable water supply is for drinking water, not industrial uses, and D) a "mucking supply system" is not a standard term and does not refer to a water supply source for oil tank cleaning.
Related Questions
#168 Following a grounding, what action should be performed prior to the use of the main engines? #169 When using portable tank cleaning machines, the hoses may be disconnected when _______________.#171 Physical exertion on the part of a person who has fallen into cold water can _______________.#172 The most effective warming treatment for a crew member suffering from hypothermia is _______________.#173 Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire?