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What part of a low-head dam poses the greatest hazard from a strong recirculating current or boil?
One danger of a low-head dam, as opposed to a natural rapids or falls, is that the boil-line extends uniformly across it's face. If you were stuck in a recirculating "hole" in a natural rapids, it's possible that you could swim out to the side to escape. At a low-head dam there is no escape. You may be repeatedly pushed under until you become weak and drown, or you may simply be held against the face of the dam. If you were smart you'd be wearing your PFD. If you were smart you would have avoided the dam!
See http://wiki.answers.com/Q/Why_is_getting_caught_in_a_backroller_near_a_low_head_dam_dangerous
What else can I help you with?
The current that is a serious hazard to swimmers is the?
rip current.
What are the types of biological hazard should be of the greatest concern to food establishment managers?
What are the types of biological hazard should be of the greatest concern to food establishment managers? Why?
The greatest health hazard of domestic sewage wastes is its?
disease
The most dangerous hazard of a composite core volcano is the eruption of lava?
False. The greatest hazard comes from pyroclastic flows.
What type of biological hazard should be the greatest concern of food establishment?
Bacteria. The hazard is reduced by keeping food cold.
What type of hazard should be of the greatest concern to food establishment manager?
Bacteria. The hazard is reduced by keeping food cold.
What is the greatest safety hazard associated with class a1 refrigerants?
shipping
What type of biological hazard should be the greatest concern to food establishment managers?
Bacteria. The hazard is reduced by keeping food cold.
What poses the greatest hazard to communications satelilites?
protons from the Sun
What poses the greatest hazard to communications satellites?
orbital debris.
What major hazard is created by low-head dams?
Low-head dams can create a hazard known as a drowning machine due to the strong recirculating currents they produce at the base of the dam. These currents can trap and hold objects, swimmers, or boats, making it difficult for them to escape. This can lead to dangerous situations and potential drownings.
what type of biological hazard should be the greatest concern to food establishment managers why?
bacteria
