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ASSIGNMENT QUESTIONS - 14069_752
ASSIGNMENT QUESTIONS - 14069_754

Engineering Aid 3 - Beginning Structural engineering guide book
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11-42. 11-43. If third order accuracy is specified, what is the maximum allowable error of closure for a level loop that is 7,826 feet long? 1. 0.042 ft 2. 0.061 ft 3. 0.608 ft 4. 4.423 ft Recording a rod reading in the wrong column in a field book is classified as a 1. mistake 2. standard  error 3. personal error 4. natural error IN  ANSWERING  QUESTIONS  11-44  THROUGH 11-48,    SELECT FROM THE FOLLOWING LIST THE CORRECTIVE  MEASURE  THAT  YOU  SHOULD  TAKE DURING A LEVELING OPERATION TO AVOID ERRORS  RESULTING  FROM  THE  SITUATION  GIVEN. 11-44. Level  not  in  adjustment. 1.   A 2.   B 3.   C 4.   D 11-45. Unstable TP. 1.   A 2.   B 3.   C 4.   D 11-46. Wear and tear evident on the 11-47. 11-48. 11-49. 11-50. bottom of the rod. 1.   A 2.   B 3.   C 4.   D Earth’s  curvature. 1.   A 2.   B 3.   C 4.   D Atmospheric   refraction. 1.   A 2.   B 3.   C 4.    D Between errors and mistakes, the most importance difference, if any, is that 1. errors can be avoided 2. errors are caused by human negligence 3. mistakes can be avoided 4. there is no difference; the terms  are  synonymous In  third-order  leveling,  the starting and closing BMs must be of of 1. 2. 3. 4. which of the following orders accuracy? First Second  or  higher Third  or  higher Fourth  or  higher 81







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