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A 2. Advanced Regulations > Let there be light > Flashcards

Flashcards in Let there be light Deck (10)
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1
Q

Natural gas fed the celebrated
“perpetual fires” at Delphi in Greece,
Baku on the ? ? and other
sites in the ancient world.

A

Caspian Sea

2
Q
In the third
century AD, the Chinese transported
natural gas in ?? to light
their temples. They also used natural
gas heat to extract ? from water.
A

bamboo pipes

salt

3
Q
Discoveries of crude oil and natural
gas became more common in the ? and ?
 as people dug
deeper ? in search of water. “??” or petroleum (from the Latin
roots petra for , and oleum
for ?) was once a popular patent
?  in Canada and the
United States.
A

18th and 19th centuries

wells

Rock oil

rock

oil
medicine

4
Q
Although natural gas was used in
some areas, it was mostly ?? that
provided the “gas lights” in European
and North American cities in the
19th century. Coal was heated in a
closed vessel to produce a ?? of hydrogen, carbon monoxide
and methane
A

coal gas

flammable mixture

5
Q

Coal gas first lit the
streets of London, England, in ?
Montreal in ?, and Toronto in 1841.

A

1807,

1836

6
Q
In North America, people tapped
safer, cleaner-burning natural gas for
the same purpose as early as ?
when it was piped through ?? to Fredonia, New York – “the best
lit city in the world.”
A

1821

hollow logs

7
Q
However, natural
gas was not widely used elsewhere
until the end of the ?  century
when better drilling ? and
cast iron ? were developed.
A

19th

techniques

pipes

8
Q

The demand for improved ?
also led directly to the first widespread
use of crude oil.

A

lighting

9
Q
The need was urgent.
By the 1850s, the best available lamp
oil, obtained from ??, was
selling for $2.50 U.S. per gallon, or
66 cents per litre – a lot of money
in those days, equivalent to about
$? U.S. per gallon in 2003
A

whale blubber

55

10
Q

Growing
demand for this oil decimated ?
populations, putting some species at
risk of extinction.

A

whale