Exam_1_2008_A_key

# Exam_1_2008_A_key - NAME GT ID LAB SECTION Page 1 of 10 EAS...

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NAME:_______________________________ LAB SECTION ________________ GT ID#________________________ Page 1 of 10 EAS 1600 - INTRODUCTION TO ENVIRONMENTAL SCIENCES Fall, 2008 Exam 1 – 09/19/08 < Relevant formulas, etc are included at the end of the exam < Place your name on each page < This is a closed-book exam; all are expected to comply with Georgia Tech Honor Code I am aware and in compliance with the Georgia Tech Honor Code. I also agree to abide by the grading policies of this class. Signature: ____________________________________________________________ A

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NAME:_______________________________ LAB SECTION ________________ Page 2 of 10 Answer the following multiple choice questions (1 – 8) by circling the appropriate answer. 1. Approximately how many hours of sunlight will Moscow receive today (latitude = 56 o N ) ? (3 points) a) 10 b) 8 c) 12 d) 14 2. Roughly how many hours of daylight will Thule, Greenland (latitude = 76 o N) receive on July 1? (3 points) a) 12 b) 0 c) 24 d) 18 3. What is the ratio of the noon time radiative flux that impacts Atlanta (34 o N) in summer (June 22) relative to that in Moscow (56 o N) in winter (Dec. 22)? (3 points) a) 1.8 b) 0.7 c) 5.4 d) 25 4 . A star has an effective temperature of 3000 o C. What is the primary wavelength emitted by the star? (3 points) a) 0.97 μm b) 0.89 μm c) 885 nm d) 970 nm
NAME:_______________________________ LAB SECTION ________________ GT ID#________________________ Page 3 of 10 5 . What is the density of air at 11 km altitude where the temperature is –80 o C ( 3 p o i n t s ) a) 0.7 kg cm -3 b) 0.44 kg m -3 c) 0.66 g cm -3 d) 0.66 kg m -3 6 . Consider planet X with a diameter that is twice that of Earth but with the same mass (i.e. same gravitational constant). The surface pressure on planet X is 3 atm. This means that the mass of planet X’s atmosphere is ________ times that of Earth. ( 3

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Exam_1_2008_A_key - NAME GT ID LAB SECTION Page 1 of 10 EAS...

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