Test 2 Marking Scheme to post

All awarded 1 mark o 4 what is the density of air at a

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: atitudes close to the equator ANS A o 3. A saturated air mass at 30 C is forced to rise vertically by 1 km and then falls vertically by 1 km. A good estimate of its resulting relative humidity would be: (a) Less than 20% (b) 20-30% (c) 30-40% (d) 40-50% No correct answer provided – was 50- 60%. All awarded 1 mark. o 4. What is the density of air at a temperature of 35 C and a pressure of 101 kPa? Rsp for air = 287 (a) 1.14 gm -3 (b) 10.05 kgm -3 (c) 0.1 kgm -3 (d) 1.14 kgm ANS D -1 -3 5. A mass of air is moving due east on the equator at 20 kmh . It rises up into the air as a result of the Hadley cell system before descending to the Earth’s surface at 30° north of the equator. The Earth has a radius of 6,370km and can be assumed to be a sphere. What speed will this air move at relative to the ground at its new location? Assume a 24-hour day. -1 -1 (a) 20 kmh (b) 223 kmh (c) 243 kmh ANS C -1 (d) 0 kmh -1 CIV300 Terrestrial Energy Systems, 2013F Test 2 Question Sheet 2 6. Earth is slightly wider at the equator than at the poles. One reason is because of: (...
View Full Document

This document was uploaded on 01/17/2014.

Ask a homework question - tutors are online