PLS ANSWER ASAP, THANK YOU A steel [E = 30,300 ksi; a = 6.7 x 106/°F] pipe column (1) with a cross-sectional area of A₁ = 5.70 in.² is connected at flange B to analuminum alloy [E = 10,100 ksi; a = 12.7 x 10-6/°F] pipe (2) with a cross-sectional area of A₂ = 4.30 in.². The assembly (shown in thefigure) is connected to rigid supports at A and C. It is initially unstressed at a temperature of 90°F. Assume L₁ = 126 in., L₂ = 156 in., P =34 kips.(a) At what temperature will the normal stress in steel pipe (1) be reduced to zero?(b) Determine the normal stresses (positive if tensile, negative if compressive) in steel pipe (1) and aluminum pipe (2) when thetemperature reaches -11°F.AAnswers:(a) T=(b) σ₁ =0₂ =L₁teliL2°Fksiksi

Answered: Image /qna-images/answer/b0308f18-9f86-4da2-9a72-c0f6eaa05278.jpg

Answered: A steel [E = 30,300 ksi; a = 6.7 x…

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter3: Transient Heat Conduction

Section: Chapter Questions

Problem 3.4P

See similar textbooks

Similar questions

At a temperature of 60°F, a 0.03-in. gap exists between the ends of the two bars shown. Bar (1) is an aluminum alloy [E = 10,000 ksi; v = 0.32; α=α=12.5 x 10-6/°F] bar with a width of 3.0 in. and a thickness of 0.70 in. Bar (2) is a stainless steel [E = 28,000 ksi; v = 0.12; α=α=9.6 x 10-6/°F] bar with a width of 1.9 in. and a thickness of 0.70 in. The supports at A and C are rigid. Assume h1=3.0 in., h2=1.9 in., L1=27 in., L2=47 in., and Δ=Δ= 0.03 in. Determine:
At a temperature of 60°F, a 0.05-in. gap exists between the ends of the two bars shown. Bar (1) is an aluminum alloy [E = 10,000 ksi; v = 0.32; α=α=12.5 x 10-6/°F] bar with a width of 2.9 in. and a thickness of 0.80 in. Bar (2) is a stainless steel [E = 28,000 ksi; v = 0.12; α=α=9.6 x 10-6/°F] bar with a width of 1.9 in. and a thickness of 0.80 in. The supports at A and C are rigid. Assume h1=2.9 in., h2=1.9 in., L1=28 in., L2=42 in., and Δ=Δ= 0.05 in. Determine(a) the lowest temperature at which the two bars contact each other.(b) the normal stress in the two bars at a temperature of 255°F.(c) the normal strain in the two bars at 255°F.(d) the change in width of the aluminum bar at a temperature of 255°F. Determine the lowest temperature, Tcontact, at which the two bars contact each other.
Three springs A, B, and C has spring constants 641 N/mm, 495 N/mm, 541 N/mm respectively. Determine the equivalent spring constant if the springs are in PARALLEL.
Three springs A, B, and C has spring constants 213 N/mm, 143 N/mm, 341 N/mm respectively. Determine the equivalent spring constant if the springs are in SERIES
Sintered silicon nitride parts are expected to experience tensile stresses 50% of the ultimate tensile strength of the material. What will be the maximum allowable size of internal flaws for these parts not to fail in service? Given the following properties of the material: Specific surface energy: 0.3 J/m2 its Youngs Modulus: 304 GPa Ultimate tensile Strength: 570 MPa Select one: a. 1.43 µm b. 0.71 µm c. 15 µm d. 85 µm e. 9.5 µm
What is the main dynamic characteristics of a power transmitting chain? * a)Breaking load b)Centrifugal force c)Transmitted tangential force d)Tension in a sides of a chain e)Force acting to the shaft from the chain
Determine the width and thickness of the leaves (in mm) of a leaf spring using the following specifications: Total load = 140 kN; Number of springs supporting the load = 4; Maximum number of leaves = 10; Span of the spring = 1000 mm; Permissible deflection = 80 mm; Modulus of elasticity, E = 200 kN/mm2; and allowable stress in spring material is 600 MPa.
The round tapered brass bar, in Figure Q4, of length 500 mm is subjected to loads.Determine the change in length if E = 1×106kg/cm2
Two helical springs A and B with ground ends are in parallel. The wire diameter of the springs A and B are 12 mm and 7 mm, respectively, and the spring indices of A and B, are 5 and 9, respectively. Determine the load supported by spring A in N if the load supported by spring B is 440 N.
A resistance, wire strain gauge with a gauge factor of 3 is bonded to a steel structural e subjected to a stress of 200 MN/m² The modulus of elasticity of steel is 400 GN/m² Calculate the % change in the value of the gauge resistance due to the applied stress
The surface stresses of a pure aluminum device (E = 70 GP a, v = 0.33) that were tested on a space shuttle were obtained with stress sensors. The sensors were oriented as shown in Figure 3 and the unit strains obtained were εa = 1100 × 10−6, εb = 1496 × 10−6, and εc = −39.44 × 10−6.(a) What is the stress σxx in the x direction? Use Mohr's circle.
A 5.0m long steel wire has a cross-sectional area of 0.55cm^2. Its proportional limit has a value of 0.0018 times its Young's modulus. Its breaking stress has a value of 0.0065 times its Young's modulus. The wire is fastened at its upper end and hangs vertically. a. How great a weight can be hung from the wire without exceeding the proportional limit? b. How much will the wire stretch under this load? c. What is the maximum weight that the wire can support?

SEE MORE QUESTIONS

Recommended textbooks for you

Principles of Heat Transfer (Activate Learning wi…

Mechanical Engineering

ISBN:

9781305387102

Author:

Kreith, Frank; Manglik, Raj M.

Publisher:

Cengage Learning