A line is recorded as 472.90m long using a 30m tape. During measurement, the temperature is 32°C and the tape is laid on the ground under a 75N pull. The tape has the following properties: weight of 0.065kg/m, young modulus of elasticity is 200GPA, cross sectional area of the tape is 3mm? and the coefficient of linear expansion is 0.0000116/"C. The tape is 30.005m long at 40°C under a 20ON pull supported at both ends. Assume the standard pull is 50N, compute: a. The standard temperature in °C. b. The actual length of tape during measurement in meter. c. The true distance of the line in meter. If the survey are to be connected to the national mapping system of a country, the distances will need to be reduced to the common datum of the system, namely MSL (Mean Sea Level). The adjustment is expressed as H Reduction Factor = 1 R L' = L(1 d. If the height of measurement from the Mean Sea Level is 12km, determine the adjusted distance in meter.

A line is recorded as 472.90m long using a 30m tape. During measurement, the temperature is 32°C and the tape is laid on the ground under a 75N pull. The tape has the following properties: weight of 0.065kg/m, young modulus of elasticity is 200GPA, cross sectional area of the tape is 3mm? and the coefficient of linear expansion is 0.0000116/"C. The tape is 30.005m long at 40°C under a 20ON pull supported at both ends. Assume the standard pull is 50N, compute: a. The standard temperature in °C. b. The actual length of tape during measurement in meter. c. The true distance of the line in meter. If the survey are to be connected to the national mapping system of a country, the distances will need to be reduced to the common datum of the system, namely MSL (Mean Sea Level). The adjustment is expressed as H Reduction Factor = 1 R L' = L(1 d. If the height of measurement from the Mean Sea Level is 12km, determine the adjusted distance in meter.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter1: Introduction

Section: Chapter Questions

Problem 1.5.5P: The results of a tensile test are shown in Table 1.5.2. The test was performed on a metal specimen...

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A line is recorded as 472.90m long using a 30m tape. During measurement, the temperature is 32°C and
the tape is laid on the ground under a 75N pull. The tape has the following properties: weight of
0.065kg/m, young modulus of elasticity is 200GPA, cross sectional area of the tape is 3mm? and the
coefficient of linear expansion is 0.0000116/°C. The tape is 30.005m long at 40°C under a 200N pull
supported at both ends. Assume the standard pull is 50N, compute:
a. The standard temperature in °C.
b. The actual length of tape during measurement in meter.
c. The true distance of the line in meter.
If the survey are to be connected to the national mapping system of a country, the distances will need to
be reduced to the common datum of the system, namely MSL (Mean Sea Level). The adjustment is
expressed as
L' = L(1
RA
H
Reduction Factor = 1 –
R
d. If the height of measurement from the Mean Sea Level is 12km, determine the adjusted
distance in meter.

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