# Fall2006MidtermAnswers - BRAE 239-01 Fall 2006 Midterm...

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BRAE 239-01 Fall 2006 Midterm Name : ___ __KEY_ _________________ Given Formulas: C t = 0.00000645(T-T s )L D 0.0014 A.E. = 1. 0.01 feet _____________ What was the smallest unit that could be directly read on the steel tapes we used in our first lab? 2. Tension Scale _________ What was the name of the tool we used to measure the amount of pull on the tape? 3. Range Pole ___________ What was the name of the tool we used for general sighting, by placing it behind the monument we were taping to? 4. Hand Level ___________ What is the name of the tool we used to determine if we were holding the tape level? 5. Plumb Bob ___________ What is the name of the tool we used to transfer a point on the ground to the tape directly above the point? 6. Blunders _____________ Errors that are large and never adjusted out are called? 7. Random Errors ________ Errors that are small and cancel each other out are what type? 8. Systematic Errors ______ Errors that the magnitude and algebraic sign can be determined are? 9. 0.01 feet _____________ What is the smallest unit of measurement we can directly read on the rods we were using in our leveling labs? 10. Philadelphia Rod _______ What is the name of the rod we used in our leveling labs? 11. Infrared Fine __________ What mode must the EDM be in when the total station when taking a distance measurement to the Prism that is 100 feet away? 12. laser plummet _________ What is the name of the part of the total station that is used to set up over a point (It projects a red dot)? 13. Carlson Explorer What is the name of the instrument that was connected to the Total Station to capture the readings?

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## This note was uploaded on 02/17/2010 for the course BRAE 239 taught by Professor Staff during the Fall '09 term at Cal Poly.

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Fall2006MidtermAnswers - BRAE 239-01 Fall 2006 Midterm...

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