4. An igloo or Eskimo hut is built in the form of a hemispherical shell with an inside diameter of 12 ft. If the igloo is constructed of snow blocks having a uniform thickness of 2ft and weighing 40 lb per cu. ft, find the weight of the igloo, neglecting entrance. Also, if fresh air contains 0.04 per cent carbon dioxide, find the amount this gas in the igloo when freshly ventilated.
4. An igloo or Eskimo hut is built in the form of a hemispherical shell with an inside diameter of 12 ft. If the igloo is constructed of snow blocks having a uniform thickness of 2ft and weighing 40 lb per cu. ft, find the weight of the igloo, neglecting entrance. Also, if fresh air contains 0.04 per cent carbon dioxide, find the amount this gas in the igloo when freshly ventilated.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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4. An igloo or Eskimo hut is built in the form of a hemispherical shell with an inside
diameter of 12 ft. If the igloo is constructed of snow blocks having a uniform
thickness
of 2ft and weighing 40 lb per cu. ft, find the weight of the igloo, neglecting
entrance. Also, if fresh air contains 0.04 per cent carbon dioxide, find the amount
this gas in the igloo when freshly ventilated.
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