Line AB was determined to be 2395.25m when measured with a 30m-steel tape supported throughout its length under a pull of 4kg and at a mean temperature of 35°C. The cross- sectional area of the tape is 0.03 cm^2, coefficient of thermal expansion is 0.0000116/°C and modulus of elasticity of steel is 2.0x10^6 kg/cm^2. Determine а. Correction for the measured length due to temperature if the tape used is of standard length at a temperature of 20°C. Is the tape too long or too short? b. Correction for the measured length due to tension if the tape used is of standard length at a pull of 5 kg. Is the tape too long or too short? C. Correction for the measured length due to sag if it weighs 0.04kg/m

Line AB was determined to be 2395.25m when measured with a 30m-steel tape supported throughout its length under a pull of 4kg and at a mean temperature of 35°C. The cross- sectional area of the tape is 0.03 cm^2, coefficient of thermal expansion is 0.0000116/°C and modulus of elasticity of steel is 2.0x10^6 kg/cm^2. Determine а. Correction for the measured length due to temperature if the tape used is of standard length at a temperature of 20°C. Is the tape too long or too short? b. Correction for the measured length due to tension if the tape used is of standard length at a pull of 5 kg. Is the tape too long or too short? C. Correction for the measured length due to sag if it weighs 0.04kg/m

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 1.5.6P: The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular...

See similar textbooks

Similar questions

The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular cross section of 0.2011in.2 in area and a gage length (the length over which the elongation is measured) of 2.000 inches. The specimen was not loaded to failure. a. Generate a table of stress and strain values. b. Plot these values and draw a best-fit line to obtain a stress-strain curve. c. Determine the modulus of elasticity from the slope of the linear portion of the curve. d. Estimate the value of the proportional limit. e. Use the 0.2 offset method to determine the yield stress.
q7 A steel bar 2 m long, 20 mm wide and 15 mm thick is subjected to a tensile load of 30 kN. If Poisson's ratio is 0.25 and Young's modulus is 200 GPa, an increase in volume will be (b) 150 mm3 (d) 130 mm3 (a) 160 mm3 (c) 140 mm3
The failure stress of a homogeneous steel bar having a diameter of 10 mm is 250 MPa. Using a factor of safety of 2.0 and if the elastic mođulus and length of the bar is 200 GPa and 2 m respectively, calculate the elongation in mm of the bar corresponding to the maximum load it can support. (А) 5 (в) 2.5 1.25 D) 0.625
A test conducted on a steel bar whose cross section is 0.5 in. by 4 in. is performed. Anaxial load of P = 30,500 lb. produced a deformation of 0.00103 in. over a gauge lengthof 2 in. and a decrease of 0.000078 in. in the 0.5-in. thickness of the bar. Determinea. Poisson’s ratio,b. the elastic modulusc. the decrease in the 4-in. cross-sectional dimension.
Calculate 6 Calculate the tensile stress when applied force of 120OON on specimen of * diameter of 7mm 111 O 211 O 311 O 411 O
An aluminum rod is rigidly attached between a steel rod and a bronze as shown. Axial loads are applied at the positions indicated. Find the stress of each rod in MPa. Steel Aluminum Bronze A- 500mm A = 400mm? A- 200mm 40KN 10KN 20KN 1.5m 2.5m 2.0m Determine the change in length of steel rod having a length of 800mm and a diameter of 6.5mm. The rod is subjected to a force P equal to 110KN. Young's Modulus is 200GPA Compute normal strain of the rod
(40 How A Rismatic steel bar of a Square cro ss section (looxlo0)mm is loaoled by Compressive force P= 1300 K, the bar has length 2.5 m, Eg=200GPay V=0.3,determine the shortening 8, the increase in the dimensions of cross Section, the change in Volume DV of the bar? loomm loomm
y 400 mm 4 mm B 200 mm A 6 mm The rectangular plate is subjected to the deformation shown by the dashed line. Determine the average shear stress in the plate if the shear modulus of the material is 2 MPa. Express your answer in kPa and round it to the nearest integer if necessary.
A compound bar consists of (4) aluminum alloy bars of (2mm) diameter and (2) steel bars of (3mm) diameter. Determine the followings: 1- The stresses in each material when a compressive force of 70 kN is applied on the compound bar and the temperature is changed from 20 °C to 40 °C. 2- The compound modulus of elasticity (Ec). Knowing that : E=200GN/m² E=70 GN/m² and a=11×10% per °C and a=22×10 per °C for Steel for Aluminum Alloy
CLO 1: A rigid beam rests on two bronze bars 700 mm long. Another aluminum bar is placed between them which is 699.93 mm long. If the weight of the beam is 375 KN, determine the stress in the aluminum bar (in MPa). Bronze Bronze Alum Alum Bronze A in mm2 850 1500 E in Gpa 70 83 103.56 O 79.45 451.30 33.47
A steel bar 30 mm in diameter and 2 m long is encased in a shell of cast iron 5 mm thick. Compute the stress in each material, in MPa, if a compressive axial load of 150 kN is applied to the assembly. For steel, E = 200 MPa and for cast iron, E = 100 %3D GPa ( Select the correct response(s): 29.96 MPa 76.39 MPa 212.21 MPa 106.10 MPa 136.32 MPa 152.79 MPa 59.92 MPa 272.84 MPa
Q.3 The compressive strength of (Ø25×25) cm cylinder is 30 MPa at an age of 21-day, determine the direct tensile strength at the age of 7-day.