If a certain EDM instrument has an accuracy capability of ±( 12 mm + 2 ppm2), what is the precision of measurements, in terms of parts per million, for line lengthsof: (a) 20.000 m, (b) 200.000 m, (c) 2000.000 m? (Assume that the instrument andtarget miscentering errors are equal to zero.)

Q: Q1). The following consecutive readings were taken along a straight line from station (11+090) to…

A: Solution: Section 1: H.I1 = 0.680+50.25=50.93 m h2 =50.93-1.455=49.475 m h3 =50.93-1.855=49.075 m…

Q: Q1). The following consecutive readings were taken along a straight line from station (11+090) to…

A: Benchmark (BM): Benchmark is any station or apoint which has known Reduced level (RL). Reduced level…

Q: 2. Arrange the following measurements in descending order:

A:

Q: Questions: 1.) If an EDM instrument has a stated accuracy of +(5 mm + 5ppm), what error can be…

A:

Q: A field party is capable of making taping observations with a standard deviation of ± 1 mm per 30 m…

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A: Precision of  angular measurement is 1 : 287

Q: In Two peg test, if the observed rod reading on a rod held at point A with the instrument is stil…

A: The illustrated figure of two peg test is shown in figure below

Q: Q: Using a digital laser level instrument, the following staff readings were observed via an open…

A: Here we have given a open loop and we will use rise and fall method to calculate the RL's of each…

Q: 1. The surveying team at UTM can make taping measurements with an error of ±0.03 ft per 100-ft tape…

A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…

Q: The following values were determined in a series of tape measurements of a line: 1000.58, 1000.40,…

A: We will use the standard formula to calculate the standard deviation.

Q: (i) The distance between two points A and B was measured 12 times under identical conditions, and…

A: Recorded the measure values:- Sr.No.  Measurement…

Q: The least count of a dial test indicator is 0.01 mm which is a direct measurement device with 100…

A: Finding out true and false.

Q: Two distances of 20 rn and 100 m were accurately measured out with the help of a tacheometer and the…

A:

Q: a.) What is the most efficient method to reduce the overall error in the function?   b.) A line is…

A: Part C Surveyors measure angles using both faces of a total station because it will eliminate the…

Q: Q1). The following consecutive readings were taken along a straight line from station (11+090) to…

A:

Q: Determine the index error if a vertical angle alpha was measured below the horizontal as 23 deg 16…

A: ● As given in the question :- vertical angle below horizontal with direct position = 23 deg 16 min…

Q: A the stadia is visible through the scope B the instrument is able to view the stadia the terrain is…

A: Explanation :  Bubble in any instrument determine whether the instrument is levelled with respect…

Q: If an EDM instrument has a stated accuracy of +-(2mm+3ppm) what error can be expected in a measured…

A: Given data in question  EMD instrument Accuracy Distance To find out  Error

Q: The distance between point A and B was measured 15 times. The mean of the 15 measurements is…

A: Given data- Sample size n = 15Mean=124.555'Standard deviation σ= 0.500'To Find-The 50% Error E

Q: Measurement of Horizontal Distance in Elementary Surveying: The following values of a line were…

A: The tape measurements are 2050.67 m, 2050.86 m, 2050.41 m, 2050.18 m, 2050.68 m,2050.03 m.

Q: 21). The following consecutive readings were taken along a straight line from station (11+090) to…

A: Given reading are:- 0.680,1.455,1.855,2.330,2.885,3,380,1.055,1.680,2.265,3.540,0.835,0.945,…

Q: Assume that any distance of 100 ft can be taped with a probable error of ±0.02 ft if certain…

A:

Q: The distance measurement method

A: There are several methods available for measuring Horizontal distance. Some of them are:   Chain…

Q: hat is the estimated error of an EDM instruments having specified errors of ( 4 mm + 4 ppm) in…

A: Given : Specified errors = ±(4mm+4ppm) Distance = 7.1754 km = 7175.4 m

Q: QUESTION 5 It is assumed that the probable random error for taping 100 feet is ±0.04 feet. A…

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Q: An EDM instrument has a purported accuracy capability of +(2 mm + 2 ppm). The estimated error for…

A: Ei=1.5mmEr=1.5mmEc=2mmppm=

Q: Assume the speed of electromagnetic energy through the atmosphere is 299,784,458 m/sec for…

A: given data speed=299,784,458m/s error=800m time lag in equipment using the equation-

Q: 6.37 (13th) If an EDM instrument has a purported faccuracy capability of ±(3 mm = 3 ppm), what error…

A:

Q: Calculato the angle of incidence of beam radiation on a surface located at Glasgow. Scotland if the…

A: Given; Latitude=ϕ=56oN  Day = 1st February 'n' denotes the day number since there are 31 days in…

Q: 11. As part of a project, you have been asked to determine the adjusted height of a client's office…

A: The design matrix is defined to be a matrix X so that :Xij (the jth column of the ith row of X) that…

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A: The focal length of an optical system is a measure of how strongly the system converges or diverges…

Q: If an EDM instrument has a purported accuracy capability of ± (11.5 mm + 2ppm2), what error can be…

A: To find error in measured distance

Q: The length of a line was measured repeatedly on three different occasions and probable error of each…

A:

Q: If the temperature and pressure at measurement time are 18°C and 760 mm Hg, respectively, what will…

A: An electronic measurement device shows the electrical values such as current, voltage frequency,…

Q: A distance of 577.80 ft is measured by surveying crew. The true distance is later found to be 577.98…

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Q: Calculate the flight height above average terrain that is required to obtain vertical photographs at…

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Q: The following are the observations made on the same angle. It is assumed that all systematic errors…

A: Since, the question contains a number of subparts, the solution for first three subparts are as…

Q: Calculate the error (mm) in the linear measurement of offset, if the length of the offset is 80 m,…

A: Given data,  Length of offset = 80 m Accuracy in thr measurement of length = 1cm in 60 m

Construction Surveys

A construction survey is a survey done on a construction site to mark construction activities and for laying out positions for construction equipment. It includes evaluating and estimating construction activities before the beginning of the project.