A steel tape standardized at 25degree celsius and supported throughout under a tension of 73N was found to be 30.004m long. The tape had a cross sectional area of 5mm^2 and a weigh of 45g/m. This tape was used supported at the ends only with a constant tension of 75N to measure a line from A to B in nine segments. The data given in table 1 were recorded. Apply correction for tape, length, temperature, pull,sag and tape not horizontal to determine the correct length of the line Table 1. Recorded data for nine segments measurements Measured Difference in Temperature (°C) Section (Recorded Distance, m) Elevation (m) A-1 30 15 0.384 1-2 30 15 0.293 2-3 30 16 0.183 3-4 30 16 0.247 4-5 30 16 0.372 5-6 30 17 0.628 6-7 30 17 0.774 7-8 30 17 0.817 15.73 8-B 18 0.570

A steel tape standardized at 25degree celsius and supported throughout under a tension of 73N was found to be 30.004m long. The tape had a cross sectional area of 5mm^2 and a weigh of 45g/m. This tape was used supported at the ends only with a constant tension of 75N to measure a line from A to B in nine segments. The data given in table 1 were recorded. Apply correction for tape, length, temperature, pull,sag and tape not horizontal to determine the correct length of the line Table 1. Recorded data for nine segments measurements Measured Difference in Temperature (°C) Section (Recorded Distance, m) Elevation (m) A-1 30 15 0.384 1-2 30 15 0.293 2-3 30 16 0.183 3-4 30 16 0.247 4-5 30 16 0.372 5-6 30 17 0.628 6-7 30 17 0.774 7-8 30 17 0.817 15.73 8-B 18 0.570

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A tape 100m long, it's cross sectional area in 0.0585 cm', the apparent length of which was found to be 1500m. The tape was Standardized under a pull of 6.75kg but after the line was measured, it was Found that the pull actually used during the measurement was = 7.75 kg. what Was the true length of the line if the tape was standardized & used on the flat? Take young modulus, E = 2,000,000 kg/cm²
Q4/ A 50 m steel tape with a cross-sectional area of 13 mm and weight of 0.122 kg per meter. The tape is hanged under a tension force of 115 N at 40°c to measure a distance equal to 2560m. During the measurement, the tape was found to be 2 cm too long. This tape has been made under a tension force of 24.6 kg and 20°c. Calculate the correct distance knowing that a=0.000018 m/c, E = 2.11*10 kg/cm', g 9.81 m/s.
The following data were recorded during the tensile test of a 12.8 mm diameter stainless steel rod. The gauge length was 50.8 mm. Load Length Load Length mm mm 107,800 51.308 119,400 || 51.562 128,300 | 51.816 149,700 52.832 159,000 53.848 160,400 | 54.356 159,500 54.864 151,500 | 55.880 124,700 56.642 50.800 12,700 25,400 38,100 50.825 50.851 50.876 50,800 76,200 50.902 50.952 51.003 51.054 89.100 92,700 102,500 51.181 By using the data above plot the stress-strain diagram and determine the following mechanical properties:
A distance between points A and B is measured and recorded as 123.456 meters using a tape that has a certified length of 29.992 meters. What is the true distance between A and B? a. 123.486 m b. 123.448 m a. b. C. d A 50-m tape weighing 1.075 kg has a standard pull of 8 kg. The tap's cross-sectional area and modulus of elasticity are 0.05 cm² and 200 GPa, respectively. What (normal tension) is required in order that the effect of sag will be eliminated when the tape is supported at end points only? 247.5 N 197.4 N a 0.25% b. 0.26% 123.489 m 123.423 m C di 163.6 N 327.9 N Determine the percentage uncertainty in the area of a square that is 6.08 ± 0.01 m on a side. C. 0.29% d. 0.33%
HELP PLEASE, COMPLETE SOLUTION AND ILLUSTRATION 4 DECIMAL PLACES A 100- m steel tape is used to measure the distance of the line and found to be 1539.28 m long. During measurement, the tape is supported the ends under a pull of 10 kg and the observed mean temperature is 31 deg. celsius. The tape is of standard temperature of 20 deg. celsius and a tension of 12 kg. The cross sectional area of the tape is 0.035 sq. cm. The coefficient of linear expansion is 0.0000116/ deg. celsius and the modulus of elasticity of steel is 2.0 x 106 kg/ sq. cm. The tape weighs 1.5kg.a) Determine the total correction for temperature. b) Determine the total correction due to sag.c) Whatisthecorrectlengthoftheline?
A baseline was measured using 100m tape which is standardized at 15°C with standard pull of 10kg. It is required to have a line with length of 925.15m. At the time during measurement the temperature was 28°C and the pull exerted along the ground was 16kg. The weight of steel is 7.86 g/m3, weight of tape is 2.67kg, E = 2 x 106 kg/cm?, a =7 x 10-7/°C.
A 50 m. tape of standard length has a weight of 0.05 kg/m, with a cross sectional area of 0.04 sq. cm. It has a modulus of elasticity of 2.10 x 106 kg/cm2. The tape is of standard length under a pull of 5.5 kg when supported throughout its length and a temperature at 200C. This tape was used to measure a distance between A and B and was recorded to be 458.65 m. long. At the time of measurement the pull applied was 8 kg. with the tape supported only at its end points and the temperature observed was 180C. Assuming coefficient of linear expansion of the tape is 0.0000116m/0C.
10 N/m. 24. 19. A circular bar one metre long and 8 mm diameter is rigidity clamped at one end in vertical position. A couple of magnitude 2.5 Nm is applied at the other end. As a result mirror fixed at this end deflects a spot of light by 0.15m on the scale one metre aw: Calculate the modulus of rigidity of the bar. [Ans: 7.12 x 10 N/m= Guad I€ th
Illustrations Add-ins A 50-m steel tape weighing 0.035kg/m supported at its end points, and is used to measure a line is constantly AB with a steady pull of 6.5kg. If a measured length of line AB is 100 determine the following: Correction due to sag for the whole tape length 2. Total sag correction for the whole length Correct length of line m, 3. 1.
Question 3 An 4.3 meter aluminum square wire is hanging vertically. A tensile load of 350 KN is applied with a stress of 145 MPa, determine the size of the aluminum square bar. Choose the nearest answer. a. 110.90 mm b. 55.50 mm c. 62.57 mm d. 49.50 mm e. 47.45 mm Question 4
A steel strip of 30mmx2mm cross section is placed through a row of five pegs. The pegs gave diameter of 12mm and are spaced at equal interval of 500mm with centre on a straight line. Find thrus on each pegs. E=2x104 N/mm?. Neglect peg weight.
A distance of 412.3 m was measured using a steel tape with a nominal length of 30 m, a cross-sectional area a = 0.000004 and a support gap of its entire length under a tensile force of ps = 5.5 kg, temperature 20 °, use the tape to measure the height difference between their ends (20) m (d = 20) The tape was supported with full strength, the height = 500 m above sea level, the temperature during the measurement in it = 12°, the tensile force applied during the measurement was p = 8 kg, the real length of the tape = 30.2 m, the coefficient of thermal expansion was α = 000006 and the modulus of elasticity E=203.23 × 10 ^6 kg /m^2 Determine the correct