Unformatted text preview: 0,000 kmh (d) 86,400 kmh -1 (e) 1,660 kmh -1 ANS: E
3. The Earth’s orbit is elliptical. In the northern hemisphere which are the shortest two
seasons as a result:
(a) Spring/summer (b) Summer/fall (c) winter/spring (d) Fall/winter (e) winter only is the
-2 4. If 1,000 Wm falls on and is all absorbed by the ocean, calculate the theoretical heat gain
in one hour of the first meter’s depth of water.
(a) 0.00024 °C (b) 0.86 °C (c) 0.24 °C (d) 0.00086 °C (e) 1.5 °C ANS: B
5. Diesel contains 36MJ per litre. If one litre can be burned at 35% efficiency to generate
electricity, how high can it pump 1,000l of water, assuming 80% conversion efficiency of
(a) 1,028 m (b) 3,670 m (c) 129 m (d) 132 m (e) 1,286 m
st 6. On December 21 the sun does not rise above the horizon on the arctic circle. Where is
the sun directly overhead on that day at noon? (S means south of the equator).
(a) 66.5ºS (b) The equator (c) 23.5Nº (d) 90ºS (e) The tropic of Capricorn ANS: E
-2 7. 78Wm of solar energy results in the evaporation of water from the Earth’s surface.
Calculate the annual volume of rain that results.
(a) 5.5x10 14 m 3 (b) 5.5x10 17 3 m (c) 1.4x10 17 3 m (d) 2.9x10 20 3 m (e) 2.9x10 17 m 3...
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- Fall '14