0.1 mmСорperAluminum-100 mm200 mmThe two circularrod segments, one of aluminum and the other of copper, are fixed to the rigid walls suchthat there is a gap of 0.1 mm between them when T,= 15°C. Each rod has a diameterof 30 mm,aF 23x106°C*1, a= 17×106°C!, Eg= 70 GPa, and E = 126 GPa.cuDetermine:1)The temperature required in order to just close thegap.2)The average normalstress in each rod when T,= 85°C.3)The displacementof each rod if T3= 85°C.

Answered: Image /qna-images/answer/90b73080-ba9b-4dba-bbd3-6517eba25426.jpg

Answered: The two circularrod segments, one of…

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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A steel rod is stretched between two rigid walls and carries a tensile load of 5000 N at 20°C. If the allowable stress is not to exceed 130 MN/m² at -20 °C, what is the minimum diameter of the rod? Assume k = 11.7 µm/(m-°C); E = 200 Gpa A. 10.22 mm B. 11.22 mm C. 12.22 mm D. 13.22 mm Please solve the Problem elaborately and Refer Machine Elements and Stresses Equations from the figures or use other shortcut Methods you have or you may Solve both or in more different methods the better ?. Your solution will be use as reference for my Future Board Exam preparation/review/study. Thank you so much dear your work will be appreciated much and rated excellently.
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Cases for Equation (5.3) 1. Fixed Plates: B.Cs u 0, y a y2-ay d 2p (P+ yh) B.Cs u=0,y= 0 -а d Q = 12µ'dx (P+yh) 2. Lower Plate moving downward: B.Cs u 0, y%= a 3. Upper Plate moving upward: B.Cs u U.y 0 B Cs u=-U, y=Da IT B.C u-0, y 0
View Policies Current Attempt in Progress The assembly shown in the figure consists of rod (1) and tube (2), both made of steel (E = 30,000 ksi). The tube is attached to a fixed support at C. A rigid end plate is welded to the tube at B, and the rod is welded to the end plate. The rod is solid with a diameter of d₁ = 0.380 in. The tube has an outside diameter of D₂ = 2.50 in. and a wall thickness of t₂ = 0.115 in. The dimensions of the assembly are a = 68 in. and b = 39 in. Determine the horizontal deflection at rod end A for an applied load of P = 4.3 kips. Part 1 F₁ i D₂ Save for Later B kips End plate a Tube (2) 12 C ↑ b Based on an appropriate FBD, determine the axial force F₁ in rod (1). Use the sign convention for internal axial forces discussed in Section 5.3. Rod (1) Fixed support Attempts: 0 of 1 used Submit Answer
3. Three bars each made from different materials are placed between walls when the temperature is 14°C. Determine the support reaction when the temperature becomes 19°C. The material properties are given in the figure. Answer: R = 3502.30 N Steel Brass Copper Ebr 100 GPa Ecu = 120 GPa Est=200 GPa ast = 12(10-6)/°C abr = 21(106)/C acu = 17(10-6)/°C Acu = 515 mm² |Ast = 200 mm² Abr= 450 mm² -300 mm- 200 mm- 100 mm 4. The rigid slab is supported by two identical copper rods as shown. The copper rod has an area of 500 mm² with a = 16.8 μm/ (m°C) and E = 120 GPa. There is a gap of 0.18 mm between the slab and the aluminum rod. The aluminum rod has an area of 400 mm² with a = 23.1 μm/ ( mºC) and E = 70 GPa. Compute the stress developed in each rod when the temperature is raised to 85°C. Assume that the weight of the slab is negligible. Answer: OAI = 16.80 MPa 85 →TA Δ Copper Aluminum Copper 750 mm-
di, E1 dz, Ez 0,4 m 0,5 m 0,7 m di = 80 mm , In the loaded system as in the figur e on the left, a blind hole of 0.4m 1 40 kN was drilled in the d2 diamete r and 0.5 m long part d3 diameter. A load of 140 kN is applied to the e nd of the system. Calculate how m uch the temperature of the system must be increased in order for the t otal deformation to be zero. E1 = 200 GPa a1=12x10-6 E2 = 100 GPa a2=16x10-6 d2 = 50 mm, d3= 30 mm
The rigid bar AC is supported by two axial bars (1) and (2). Both axial bars are made of bronze [E = 100 GPa; a = 18 × 10-6 mm/mm/ °C). The cross-sectional area of bar (1) is A1 = 184 mm2 and the cross-sectional area of bar (2) is A2 = 380 mm2. After load P has been applied and the temperature of the entire assembly has increased by 38°C, the total strain in bar (2) is measured as 1240 µɛ (elongation). Assume L1 = 1290 mm, a = 590 mm, b = 820 mm, and L2 = 2000 mm. Determine: (a) the magnitude of load P. (b) the vertical displacement of pin A. L2 (1) L1 B a P Answers: (a) The magnitude of P = i kN. (b) The vertical displacement of pin A = i mm (down).
A rod consisting of two cylindrical portions AB and BC is restrained at both ends. Portion AB is made of steel (Es5 200 GPa, αs5 11.7 310–6/°C) and portion BC is made of brass (Eb 5 105 GPa, αb5 20.9 3 10–6/°C). Knowing that the rod is initially unstressed, determine the compressive force induced in ABC when there is a temperature rise of 50°C.
The 50-mm-diameter cylinder is made from Am 1004- T61 magnesium and is placed in the clamp when the temperature is T₁ = 15°C. (Figure 1) Figure 100 mm 1 of 1 150 mm Part A If the two 304-stainless-steel carriage bolts of the clamp each have a diameter of 10 mm, and they hold the cylinder snug with negligible force against the rigid jaws, determine the temperature at which the average normal stress in either the magnesium or the steel first becomes 15.0 MPa. Express your answer to three significant figures and include the appropriate units. T₂ = Submit 1 μА Value Provide Feedback ← Request Answer A Units ? Next >
Please answer in proper units
P- 45° 45° Fig. 2-38

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