Drinking Water Supply quiz
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Which bacterium do water tests use as the main sign of sewage?
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More questions about Drinking Water Supply
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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What metal gave plumbing its name?
Answer: Lead
Why: Chemists still use the Latin word too: lead's symbol, Pb, is short for plumbum.
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Where did 'Day Zero' nearly shut off the taps in 2018?
Answer: Cape Town
Why: From February 2018 each resident was limited to 50 litres of water a day under the city's Level 6B restrictions.
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Whose Great Man-Made River pipes groundwater from under the Sahara?
Answer: Libya
Why: The pipes tap the Nubian Sandstone Aquifer, fossil water stored long ago that nature is not refilling.
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Who had a London pump's handle removed to stop cholera?
Answer: John Snow
Why: A dot map of the cases showed them clustered around that one public pump on Broad Street in Soho.
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What water filled the wells of old Venice?
Answer: Rainwater
Why: Rain was channelled into sealed cisterns and filtered through layers of sand and gravel before anyone drew it up.
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Which tree's trunks were bored out for London's old water mains?
Answer: Elm
Why: Elm resists rotting as long as it stays wet, so it also went into ships' keels, lock gates and mill wheels.
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