A steel tape standardized at 20degree celcius and supported through out under tension of 90N Was found to be 30.377m long. The tape had a cross sectional area of 55mm^2 and a weight of 73g/m. This tape was used supported at the ends only with a constant tension of 78N to measure a line from A to B in nine segments. The data given in the following table were recorded. Apply correction for tape, length,temperature,pull,sag and tape not horizontal to determine the correct length of the line Difference in Elevation Cm) 0-392 Section Neacured Tempergture A-1 15 1- 2 30 I5 0-301 2-3 30 16 O.191 3-4 16 O.255 4-5 30 16 0-38 5-6 30 17 o.636 6-7 30 17 0.782 7-8 30 17 0.825 8-8 25.348 18 O.578 Sum = 265-348 m

A steel tape standardized at 20degree celcius and supported through out under tension of 90N Was found to be 30.377m long. The tape had a cross sectional area of 55mm^2 and a weight of 73g/m. This tape was used supported at the ends only with a constant tension of 78N to measure a line from A to B in nine segments. The data given in the following table were recorded. Apply correction for tape, length,temperature,pull,sag and tape not horizontal to determine the correct length of the line Difference in Elevation Cm) 0-392 Section Neacured Tempergture A-1 15 1- 2 30 I5 0-301 2-3 30 16 O.191 3-4 16 O.255 4-5 30 16 0-38 5-6 30 17 o.636 6-7 30 17 0.782 7-8 30 17 0.825 8-8 25.348 18 O.578 Sum = 265-348 m

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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Concept explainers

British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with. 

Question

A steel tape standardized at 20degree celcius and supported through out under tension of 90N Was
found to be 30.377m long. The tape had a cross sectional area of 55mm^2 and a weight of 73g/m.
This tape was used supported at the ends only with a constant tension of 78N to measure a line from
A to B in nine segments. The data given in the following table were recorded. Apply correction for
tape, length,temperature,pull,sag and tape not horizontal to determine the correct length of the line
Difference in
Elevation Cm)
0-392
Section
Meacured
Recarded Distance)
Tempergrare
A-1
15
1- 2
30
15
0.301
2-3
30
16
O.191
3-4
16
0-255
4-5
30
16
0-38
5-6
30
8.636
6-7
0.782
7-6
30
0-825
8-8
25.348
18
0.578
Sum = 265-348 m

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