b) Ten measurements of an angle are given in Table 1. Compute the mean of the angle x, the standarderror of a single measurement, and the standard error of the mean.Table 1Observation No.Measured angle131° 02' 29.3"31° 02' 24.0"331° 02' 27.9"431° 02' 26.8"531° 02' 26.1"31° 02' 25.9"731° 02' 26.1"8.31° 02' 27.8"9.31° 02' 27.2"1031° 02' 28.0"

Mean angle - x =31°02'29.3'' + 31°02'24'' + 31°02'27.9'' + 31°02'26.8'' + 31°02'26.1'' +…

Answered: b) Tn measurements of an angle are…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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1.(a) Following observations were taken with a tacheometer for determining the R.L. of station A. Instrument Height of station Q Q Staff instrument station A 1.600 m 1.600 m 1.650 m B.M P P Vertical Angle +6°12' -4°12' +7°0' Staff reading 0.945, 1.675, 2.405 1.450, 2.380, 3.310 'X', 0.655, 1.255 Remark R.L. of B.M. = 421.625 Reading 'X'could not be observed The instrument was fitted with an anallactic lens, and the value of multiplying constant was 100.00. Calculate the R.L. of station A.
A tacheometer is setup at station A and the staff is held vertical at a point B. The telescope inclined at an angle of depression 10° to the horizontal, the readings on the staff are 2.680, 1.825, 1.000m. If the height of instrument (H! ) is 1.40m and R.L. of station A is 360.8 m, then the R.L. of point B is cm. [Take multiplying and additive constant of the instrument to be 100 and 1 respectively]
Please answer number 2 based on the question number 1
Distance by Tachymetry 1. A stadia rod held at a distant point E is sighted by an instrument positioned at point D.Determine the length of line ED if the upper and lower stadia readings were observed as 1.50 and 1.40 respectively.
34 Assignment In order to carry out tacheometric surveying, following observations wer taken through a tacheometer set up at station P at a height 1.235m. Compute the horizontal distance of S from P and reduced level of statio at S if R.L. of station P is 262.575m Staff held Vertical at Dr Q R S Horizontal distance from P (m) 100 200 ? 20. K ENGIN Staff Reading (m) 1.01 2.03 3.465, 2.27, 1.280 2.03m 1.01m 100m 200m Angle of Elevation 0° 0° 5° 24' 40"
It is desired to determine the most probable value of an angle which has been measured at different times by different observers. The values observed were as follows: 74 degrees 39'45'' (measured two times), 74 degrees 39'27" (measured four times), and 74 degrees 39'35'' (measured six times).
Problem 8: The following are the results of the measurement of a survey line between two tripod heads, where the tape was allowed to Sag Line AB Slope Length Vertical Angle Temperature Tension 25.510m 6° 00' 20 °C 80 N The Tape weighted 0.25 N/m; had cross sectional Area of 3mm2 and was actually 30.005 m long at the time of measurements. Where the nominal length of the tape is 30.0 m Calculate the corrected horizontal length of the Line AB
Problem 1. To determine the distance between two points A and B, a tacheometer was set up at P and the following observations were recorded. (a) Rod at A (b) Rod at B Rod readings = 2.225, 2.605, 2.985 Vertical Angle = + 7°54' Rod readings = 1.640, 1.920, 2.200 Vertical Angle = -1°46' (c) Horizontal Angle APB = +68°32'30" Elevation of A = 315.600m k = 100m c = 0.00m Determine the distance AB and the elevation of B.
The error of curvature and refraction of distance 1243.36 m, is: Answer: Choose... + What is the percentage of superelevation of a road with a 70 kph design speed and curve radius 1750.36 m? Answer: Choose... + If the systematic error in one measurement 12 mm, the total systematic errors in 7 measurements is: Answer:
i need the answer quickly
4) It is desired to determine the most probable value of an angle which has been measured at different times by different observers with equal care. The values observed were as follows: 74°39'45" (in two measurements), 74°39'27" (in four measurements), and 74°39'35" (in 3 measurements). A) 74°39'45" B) 74°45'39" C) 74°35'39" D) 74°39'34"
Fundamentals of Surveying: Please show your solution. 9.) The backsight reading on a point is 7.35 m and the foresight reading on a second point is 0.86 m. If the elevation of the first point is 477.25 m, determine the elevation of the second point.

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