Unformatted text preview: 4. What is the density of sea water with a salinity of 25g/kg? Assume density of fresh water of
1,000 kgm .
(a) 1,000 kgm
ANS: D -3 (b) 980 kgm -3 -3 -3 (c) 975 kgm (d) 1,020 kgm (e) 1,025 kgm -3 CIV300 Terrestrial Energy Systems, Fall 2013 Test 1 Question Sheet 3 PART B 1. What is meant by the term ‘atmospheric window? Describe two other methods by
which energy is lost by the Earth back to space. (3 marks)
The atmospheric window describes the narrow band of electromagnetic radiation
frequencies emitted from the surface of the earth (i.e. infrared heat) that are able
to escape out to space without being absorbed...
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- Fall '14