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Unformatted text preview: 1 MID-TERM EXAM, Oct 16 th , 2008 DURATION: 50 mins Version CLOSED BOOK McGill ID _______________ ____________ Name ______ McGill University Dept. of Mining and Materials Engineering PROPERTIES OF MATERIALS IN ELECTRICAL ENGINEERING MIME262 MID-TERM EXAM Examiner: Prof. R.R. Chromik Date: Friday, October 16 th , 2009 Time: 50 mins Instructions 1. Read the instructions carefully. 2. Put your name and ID# on this page. Put your NAME on pages 2-7 and ii. ( Worth 1 pt ) 3. Read each question completely before working on each part, (the parts may be interrelated ). 4. Write your final solutions, showing your work , in the space provided below the relevant question . 5. Any work you wish to be ignored should be clearly indicated as such. 6. Draw any diagrams as large as possible in the space provided. 7. Label all diagrams, axes, curves etc. 8. For concept type questions, the space provided roughly indicates the level of detail expected. 9. Phase diagram(s), a periodic table, and other useful information are attached at the end of this examination book (pages i through iii). All students must have one of the following types of calculators: CASIO fx-115 , CASIO fx-991 , CASIO fx-570ms SHARP EL-520 , or the SHARP EL-546. NON-REGULATION CALCULATORS WILL BE REMOVED AND NO REPLACEMENT CALCULATOR WILL BE PROVIDED. Leave your calculator cover in your book-bag. You may take only your calculator, a ruler, a pen and your student ID to your desk. NO equation sheets. Rulers are subject to inspection. Official USE ONLY P1 P2 P3 P4 Name: _______________________________ 2 1. Short Answer Section (4 pts each) Follow the instructions below carefully. Overall, you will answer 7 of the 10 questions in this section. Answer any two of questions i iii. i. What is the lowest energy state of an atom? The lowest energy state of an atom (the ground state) occurs when we fill the electron orbitals starting from the lowest energy up until all of the electrons are used up. ii. Two atoms are brought together, what is the lowest energy state?...
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