9-57. Three bars cach made of different materials areconnected together and placed between two walls when thetemperature is Ti = 12 "C. Determine the force exerted on the(rigid) supports when the temperature becomes T; = 18 "C.The material properties and cross-sectional arca of cach barare given in the figure.CopperE- 120 GPaa- 12(10"/c r = 21(10y"C aa = 17(10cSteelВrиs- зо сраF- 100 GPaA- S15 mm?A = 200 mm Aar- 450 mm?-300 mm--200 mm-100 mt

Stress: When a component or a part is subjected to any external force, a resisting force will be…

Answered: 9-57. Three bars cach made of different…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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The rod BD is made of materia with G1= 124 GPa has a diameter 34 mm is bonded to the tube CA at point B, the tube made of material with G2=211 GPa has an outer diameter 73 mm and wall thickness of 10 mm. If T1=579 N.m and T2=1042 N.m, answer the following questions: A B T2 N-m 0.4 m 0.1 m 0.3 m T1 N-m The polar moment of inertia of the rod BD is The maximum shear stress of the tube CA is The maximum shear stress of the assembly is
5mm width. Rectangular cross section.
PLEASE ANSWER ASAP TY! The two bars (1) and (2) are made of the aluminum with E = 70 GPa, has the same cross section of 100 mm x 20 mm, and supported by rigid supports at A and C. The coefficient of thermal expansion of the material is 23 x 10–6/oC. At T = 25oC, the two bars have a gap of 5 mm as shown. a) What is the reaction force (in KN) at fixed support A when the temperature is 100oC? b) What is the reaction force (in KN) at fixed support C when the temperature is 100oC? c) What is the stress (in MPa) in bar (1) when the temperature is 100oC? d) What is the stress (in MPa) in bar (2) when the temperature is 100oC?
By the equipment as shown in the figure, temperature can be measured. The bar AB and CD are made from aluminum and titanium. The coefficients of thermal expansion are 23.6x106 1/K and 8.2x10-6 1/k. Obtain the relationship between the temperature and the vertical displacement at the point E. 6 mm 72 mm 36 mm D
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-
The rod of 120cm long and 18mm diameter subjected to axial pull of 18kN. If modulus of Diameter = 30mm Axial Pull =30kN Elasticity for rod is 2x105 N/mm2. Determine Stress Strain Elongation of rod
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 >
A 5-m rod having a uniform cross-sectional area of 1000 sq. mm. is secured between two walls5 meters apart. The load on the rod is zero at 27 °C. E = 200 GPa, α = 11.25x10-6 m/m-°C. Whenthe temperature rises to 57°C: What is the stress in the rod assuming that the walls are rigid and stress (in the rod) if the walls spring together with a total distance of 0.5 mm? pls box final answer
66 ll ? e V:09 The rod BD is made of material with G1= 135 GPa has a diameter 16 mm is bonded to the tube CA at point B, the tube made of material with G2=230 GPa has an outer diameter 37 mm and wall thickness of 7 mm. If T1=803 N.m and T2=1445 N.m, answer the following questions: B T2 N-m 0.4 m 0.1 m D. 0.3 m T1 N-m The polar moment of inertia of the rod BD is Your answer The polar moment of inertia of the tube CA is
The temperature of an aluminum bar and a steel bar was raised from 40°C to 160°C. If there was a gap 0.4 mm between the two bars at 40°C as show in figure below, determine the normal stress in the aluminum bar and the change in length of the aluminum bar. 0.5 mm 300 mm 250 mm B Aluminum Stainless steel A = 2000 mm² E = 75 GPa A = 800 mm² E = 190 GPa a = 17.3 x 10-6/°C %3D %3D a = 23 X 10-6/°C
A solid 0.48-in.-diameter cold-rolled steel rod is pinned to fixed supports at A and B. The length of the rod is L = 20 in., its elastic modulus is E = 30000 ksi, and its coefficient of thermal expansion is a = 7.2 x 10-6 in./in./°F. Determine the temperature increase AT %3D %3D that will cause the rod to buckle. A L B Answer: AT =
The rigid bar ABC is supported by a pin at B and two vertical steel rods. Initially the bar is horizontal and the rods are stress-free. Determine the stress in each rod if the temperature of the rod at A is decreased by 40° C. Neglect the weight of bar ABC. Use a 11.7 x 10-6/°C and E 200 GPa for steel. A = 1200 mm. A 300 mm² 1.2 m 0.9 m C A. 0.6 m- 1.2 m

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