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TECHNICAL COMMUNICATION

TECHNICAL COMMUNICATION. “The horror of the moment,” the King went on. “I shall never forget.” “You will, though,” the Queen said, ‘if you don’t make a memorandum of it.” Alice’s Adventures in Wonderland , Lewis Carroll, 1945. Rules for good technical writing Technical memo format

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TECHNICAL COMMUNICATION

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  1. TECHNICAL COMMUNICATION “The horror of the moment,” the King went on. “I shall never forget.” “You will, though,” the Queen said, ‘if you don’t make a memorandum of it.” Alice’s Adventures in Wonderland, Lewis Carroll, 1945.

  2. Rules for good technical writing • Technical memo format • Technical report format

  3. Writing Technical Memoranda (3.3.2)

  4. Writing Technical Memoranda (3.3.2)

  5. Writing Technical Memoranda (3.3.2)

  6. Preferred Inconsistent ! Still Used in US Systems of Units

  7. Some Interesting Units • Guess the common units for the following Amount of seed to sow an acre of ground Distance from head to wrist Distance an arrow would fly Distance walked on foot in 1 hour Distance a shout would carry Distance seen when squatting beneath a horse Distance you can see to the horizon in miles

  8. Rules of Significant Figures • The most-significant digit (msd) is the leftmost, nonzero digit. • The least-significant digit (lsd) is the rightmost, nonzero* digit. *IF there is a decimal point, then the lsd also includes zero. • The number of significant figures equals the number of figures between and including the least-significant digit and the most-significant digit How many significant figures are there in each of the following ? 10.5800 105800 10.58 010580.

  9. Rules for Number Round Off • To round off a number, truncate the number to its desired length and make the remainder a decimal fraction • If the fraction > ½, round up the number’s lsd • If the fraction < ½. leave the number’s lsd as is • If the fraction = ½, round up the lsd IF it is odd

  10. How Many Significant Figures ? 027.08450 LSD? MSD? Number of significant figures = Rounded off to 5 significant figures =

  11. Writing Technical Memoranda (3.3.2)

  12. Number and Unit Formats (3.3.3)

  13. Number and Unit Formats (3.3.3)

  14. Number and Unit Formats (3.3.3) • Use decimal prefixes with a number’s units, keeping its numerical value • between 0.1 and 1000, such as 1.05 MJ instead of either 1.05 x 106 J or • 1.05E6 J.

  15. Identify any format errors in the following. 2 – 3 m/sec 42% Body temperature, T, equals 98.6ºF. 1 x 10-4 J One ft. equals 12 in. exactly. 25,233º 4000 ppm Format Mistakes “Quiz”

  16. Graphical Presentation (3.3.4)

  17. Graphical Presentation (3.3.4)

  18. Graphical Presentation (3.3.4)

  19. The Technical Memo (3.4)

  20. The Technical Memo (3.4)

  21. The Technical Memo (3.4)

  22. The Technical Memo (3.4)

  23. The Technical Memo (3.4) • For this class, appendices (such as uncertainty calculations) need not be typed. The can be hand-written, provided they are neat and legible.

  24. The Technical Report (3.5)

  25. The Technical Report (3.5)

  26. The Technical Report (3.5)

  27. The Technical Report (3.5)

  28. The Technical Report (3.5)

  29. The Technical Report (3.5)

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