A strain gage is mounted to the outer surface of a thin-walled boiler. The boiler has an inside diameter of 1820_mm and a wallthickness of 18 mm, and it is made of stainless steel [E = 179 GPa; v = 0.3]. Determine:(a) the internal pressure in the boiler when the strain gage reads 210 µɛ.(b) the maximum shear strain in the plane of the boiler wall.(c) the absolute maximum shear strain on the outer surface of the boiler.Answers:(a) p =iMPа.(b) Ymax in-plane =iprad.(c) Yabs maxiprad.=

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Answered: A strain gage is mounted to the outer…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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(b) Three strain gauges were arranged in the form of a rectangular rosette and positioned on a test surface, the measured strains were as follows: 81-350 x 10 82-110x 10 E=230 x 10 Determine (1) the principle strains; (1) the principle stresses, the direction of the greater principle strain relative to gauge I. Also draw the Mohr's Strain Cirele. Take the Modulus of Elasticity value to be E-210 GN/m and Poisson's ratio - 0.3.
The stress-strain diagram for polyethylene, which is used to sheath coaxial cables, is determined from testing a specimen that has a gage length of 11 in. A load P on the specimen develops a strain of € = 0.024 in. /in. (Figure 1) Figure σ (ksi) 5 4 3 2 1 O = 3,7 e O 0.008 0.016 0.024 0.032 0.040 0.048 0.004 1 of 1 P € (in./in.) Part A Determine the approximate length of the specimen, measured between the gage points, when the load is removed. Assume the specimen recovers elastically. Express your answer in inches to four significant figures. 15] ΑΣΦ | 11 | vec L = Submit Provide Feedback Request Answer www ? Review in. Next >
The strain rosette shown was used to obtain normal strain data at a point on the free surface of a machine component. Given the values = -165 µμe, e = -155 μe, e = 50 μe, E = 10,600 ksi, and v=0.33, determine (a) the stress components o,,o,, and ry at the point. (b) the principal stresses and the maximum in-plane shear stress at the point; on paper, show these stresses on an appropriate sketch that indicates the orientation of the principal planes and the planes of maximum in-plane shear stress. (c) the magnitude of the absolute maximum shear stress at the point. 45° 45°
Parvinbhai
Three readings are obtained from an equiangular strain gage rosette mounted on a free and unloaded surface of a part. Determine the magnitude of the principal strains and their orientation with respect to the 0° gage. Check the results with a Mohr circle.Assume The three known strains are all linear strains
Please show each and every step in detail. Dont miss any steps and highlight the final answer. Thanks!
After load P is applied to the pin-connected structure, a normal strain of = +650 µe is measured in the longitudinal direction of member (1). The cross-sectional area of member (1) is A₁ = 0.6 in.2, its elastic modulus is E₁ = 31000 ksi, and its yield strength is 33 ksi. Assume a=6.25 ft, b=7.75 ft, c=4.5 ft, and d=3.75 ft. (a) Determine the axial force in member (1), the applied load P, and the resultant force at pin B. (b) The ultimate shear strength of the steel pins is 52 ksi. Determine the minimum diameter for the pin at B if a factor of safety of 2.2 with respect to the ultimate shear strength is required. (c) Compute the factor of safety for member (1) with respect to its yield strength. (1) a D Answer: 0₁ = 1.6377 B (a) Determine the axial stress o, in member (1). ksi. b
The rigid beam is supported by a pin at A and wires BD and CE. Figure 3 m 2m 1 of 1 4 m ▾ Part A If the load P on the beam causes the end C to be displaced 8 mm downward, determine the normal strain developed in wire CE. (Figure 1) ECE = Submit ▾ Part B EBD = Submit V—| ΑΣΦ Determine the normal strain developed in wire BD. Provide Feedback Request Answer ΑΣΦ vec Request Answer vec SO ? ? mm/mm mm/mm Next >
1
3. A food product with 73% moisture content in a 10 cm diameter can wants to be frozen. The density of the product is 970 kg / m³, the thermal conductivity is 1.2 W / (m K), and the initial freezing temperature is -2 ° C. After 14 hours in the freezing medium -30 ° C, the product temperature becomes -10 ° C. Estimate the convection heat transfer coefficient of the freezing medium. Assume the can as an infinite cylinder. h = Answer W / (m² K).
An aluminum alloy [E = 70 GPa; v = 0.33; a = 23.0x10-6/°C] pipe is subjected to a tensile load P. The pipe has an outside diameter of D = 280 mm, a cross-sectional area of A = 7550 mm², and a length of L = 9.5 m. The initial longitudinal normal strain in the pipe is zero. After load P is applied and the temperature of the pipe has been increased by AT = 40°C, the longitudinal normal strain in the pipe is found to be 2260 με. Calculate the magnitude of load P. Answer: P = M. L kN D P

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