Architectural Drafting and Design (MindTap Course List)
7th Edition
ISBN: 9781285165738
Author: Alan Jefferis, David A. Madsen, David P. Madsen
Publisher: Cengage Learning
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Chapter 7, Problem 7.18Q
To determine
The description of how to perform rounding and its examples with the rules.
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To determine the elevation of a point such as B in Fig. 24 in the text, the following procedure was used: With the transit set up over a point such as A whose elevation is 128.3 ft, the height of the transverse axis above A was 4.84 ft and the vertical angle b between the horizontal line CD through the transverse axis and the line of sight to the point B was +12º 42'. Then a point such as E was marked on the ground on the line between A and B and at a horizontal distance from A equal to 50.00 ft. Finally, with the transit set up over the point E, the difference in elevation between the point A and the transverse axis F of the transit at E was found to be 3.47 ft, and the vertical angle d between the horizontal line through F and the line of sight to the point B was +18º 07'. The elevation of the point B is
Which of the following statements is not true when considering precision in surveying?A. Measuring angles to the nearest minute and distances to the nearest hundredth of a foot is usually sufficient for locating theroute of a highway.B. A very accurate survey provides a very high degree of precision.C. Precision is defined as the degree of correctness applied in instruments.D. The most precise instruments can produce inaccurate results i f subjected to mechanical or human error.
Which of the following is not desirable when marking a transit point for conducting a survey?A. Embedding a nail into soft concreteB. Driving a tack flush with the top o f a wooden hubC. Chiseling a cross on an embedded rockD. Driving a nail with flagging into undisturbed earth
Chapter 7 Solutions
Architectural Drafting and Design (MindTap Course List)
Ch. 7 - Prob. 7.1QCh. 7 - Prob. 7.2QCh. 7 - Prob. 7.3QCh. 7 - Prob. 7.4QCh. 7 - Prob. 7.5QCh. 7 - Prob. 7.6QCh. 7 - Prob. 7.7QCh. 7 - Prob. 7.8QCh. 7 - Prob. 7.9QCh. 7 - Prob. 7.10Q
Ch. 7 - Prob. 7.11QCh. 7 - Prob. 7.12QCh. 7 - Prob. 7.13QCh. 7 - Prob. 7.14QCh. 7 - Prob. 7.15QCh. 7 - Prob. 7.16QCh. 7 - Prob. 7.17QCh. 7 - Prob. 7.18QCh. 7 - Prob. 7.19QCh. 7 - Prob. 7.20QCh. 7 - Prob. 7.5PCh. 7 - Prob. 7.6PCh. 7 - Prob. 7.7PCh. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Prob. 7.10PCh. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - Prob. 7.13PCh. 7 - Prob. 7.14PCh. 7 - Prob. 7.15P
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