Q1 Answer the following: 1) State the uses of the following: (Vertical Plane, Topographic Surveying, Bench Mark) 2) What is the differences between types of readings in leveling? State the most important type and explain.
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A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…
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Q: When using the rapid static surveying method, what is the minimum recommended length of the session…
A: Note- Since we answer one question at a time so we will answer the first one. Please resubmit…
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Q: What are the disadvantages of Pseudokinematics surveys?
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Q: What advantages does a PPK survey have over an RTK survey?
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Q: the causes of errors in surveying
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Q: LINES BEARING DISTANCES АВ N 53°27' E 59.82 m. S 6°54' E S 29°08' W ВС 70.36 m. CD 76.62 m. DA N…
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Q: 1) 2 points B & C were observed from point A where the instrument was set up at a height of 1.25m.…
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Q: Q.2. What are the various importance of errors in surveying ?
A: Importance of errors in surveying
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- Subject : Surveying Note: remember this question related to surveying What is the difference between Errors and Mistakes? List the sources of errors and mistakes in Leveling?Surveying Question: A differential leveling circuit starts at benchmark Concrete Benchmark (Elevation=232.051m) goes out to an unknown benchmark and then continues to a known control point (Elevation=227.975m). Two turning points are used with the measurements included in the attached table. Determine the elevation of the unknown benchmark Determine the order and class of the survey. For First order Class 1: Allowable Error= +/- 4(K)1/2 Range of Constant= m less than/equal to 4 For First Order Class 2: Allowable error= +/- 5(K)1/2 Range of constant= m greater than/equal to 4, and m less than equal to 5 (between 4 and 5) For Second Order Class 1: Allowable error = +/- 6(K)1/2 Range of Constant = m greater than/equal to 5, and m less than equal to 6 (between 5 and 6) For Second Order Class 2: Allowable error = +/- 8(K)1/2 Range of Constant = m greater than/equal to 6, and m less than equal to 8 (between 6 and 8) For Third Order, Any Class: Allowable Error = +/-12(K)1/2 Range…(5i) When taking measurements on the field, what method or measures can be used to ensure that accuracy, briefly explain? (ii) You have been invited onto a building construction site by a client who is not interested in hiring any expensive survey equipments to use. The four corners of the plot on the ground have already been set out and are known, the client has made available the drawings for the building project. a) Briefly explain how you will go about setting out the foundation of the building so the excavation works can begin. (Explain any methods adopted)
- When conducting traverse surveys, what are the two laws that are often used to correct the misclosure of the vertical and horizontal distances? (Check) 2 (multiple choice questions) □ A. Theodolite law, suitable for distance and angle accuracy B. Compass rule, suitable for distance measurement accuracy far worse than angle measurement accuracy C. Compass law, suitable for distance and angle accuracy □ D. Theodolite law, suitable for distance measurement accuracy far worse than angle measurement accuracy1. why use photogrammetry over traditional surveying? what are its advantages and disadvantages? 2. differentiate a sensor from a platformThe primary aims of field surveying Select one: a. -to find out Absolute direction b. -to find out the Relative angles of lines c. -to find out Absolute angles d. - none of the answers
- A level loop was run and the raw elevations in Table 2 were calculated based on backsights and foresights. A plan view of the loop is shown in Figure 2. The true elevation of BM1 is 195.00 ft. Adjust the elevation of each station such that the error is evenly spaced. Show sample calculations of your work. Also determine the accuracy ratio of the survey. BM₁ 5 mi 3 mi BM2 BM4 3 mi BM3 4 mi Figure 2 Table 2 Station Raw Elevation [ft] BM1 195.0 BM2 205.6 BM3 209.8 BM4 204.7 BM1 195.5How to compute for the Taped Distance and Percentage of Error? Show your solution.1) 2 points B & C were observed from point A where the instrument was set up at a height of 1.25m. Points B & C are ahead of point A. The surveyor used an internally focusing telescope with a stadia interval factor of 100. The table below shows the data recorded as observed for points B & C. Answer the following. (Show complete figures and solutions) a) What is the stadia constant of the instrument? b) What is the slope distance between the telescope at point A and the rod reading at point B? c) What is the difference in elevation between point B & C? d) What is the slope distance between the ground surface at point B and the ground surface at C? e) What is the elevation of point C if point A is at an elevation of +0316.15m above mean sea level? - 1 attachment Vertical Stadia Hair Readings ROD/Point Angle Upper Middle Lower В -25°15' 2.316 1.877 1.438 -45°57' 3.333 2.011 0.689
- Surveying subject : a. Explain the principles of surveying? Support your answer with sketches. b. What is horizontal and vertical control in a survey? c. How shore line survey is performed? Note: Write the answer (b) in steps, neat & clean sketches are compulsory with (a) & (c).Which of the following doesn't involve the method of traversing? a. tachymetric surveying O b. Chain surveying O c. Plane Table surveying O d. Theodolite surveyingP Give suitable examples as you discuss how errors in surveying activities are classified. The three angles of a triangle were measured using a triangulation scheme, and their mean values were reported as 50° 48′ 18′′, 64° 2036", and 64° 5100".Each of these means has a standard deviation of 4 according to analysis of each set.The angles were measured again at a later time under better lighting, resulting in mean values of 64° 20′ 39", 64° 50' 58", and 50° 48' 20" prime prime Each value's standard deviation was 2 n. Determine the most probable values of the angles