9-58. The rod is made of A-36 steel and has a diameter of 20mm. If the rod is 1.2 m long when the springs are compressed12 mm and the temperature of the rodis T= 10 "C, determinethe force in the rod when its temperature is T = 75 "C.|k- 200 kN/mk- 200 kNimF1.2 m-

givendiameter of rod d=20mmlength of rod =1.2mspring compressed at starting x1=12mminitial…

Answered: 9-58. The rod is made of A-36 steel and…

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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The cylinder CD of the assembly is heated from T1 = 30°C to T2 = 180°C using electrical resistance. Also, the two end rods AB and EF are heated from T1 = 30°C to T2 = 50°C. At the lower temperature T1 the gap between C and the rigid bar is 0.7 mm. Determine the force in rods AB and EF caused by the increase in temperature. Rods AB and EF are made of steel, and each has a cross-sectional area of 125 mm2. CD is made of aluminum and has a cross-sectional area of 375 mm2. Est = 200 GPa, Eal = 70 GPa, ast = 12(10-6)>°C, and aal = 23(10-6)>°C.
The cylinder CD of the assembly is heated from T1 = 30°C to T2 = 180°C using electrical resistance. At the lower temperature T1 the gap between C and the rigid bar is 0.7 mm. Determine the force in rods AB and EF caused bythe increase in temperature. Rods AB and EF are made of steel, and each has a cross-sectional area of 125 mm2. CD is made of aluminum and has a cross-sectional area of 375 mm2. Est = 200 GPa, Eal = 70 GPa, and aal = 23(10-6)>°C.
The spherical gas tank is fabricated by bolting together two hemispherical thin shells. If the 8-m inner diameter tank is to be designed to withstand a gauge pressure of 2 MPa, determine the minimum wall thickness of the tank and the minimum number of 25-mm diameter bolts that must be used to seal it. The tank and the bolts are made from material having an allowable normal stress of 150 MPa and 250 MPa, respectively.
The bronze C86100 pipe has an inner radius of 0.5 in. and a wall thickness of 0.2in. If the gas flowing through it changes the temperature of the pipe uniformly from TA =200 F at A to TB =60 . Determine the axial force it exerts on the walls. The pipe was fitted between the walls when T=60
The inner ring A has an inner radius r1 and outer radius r2. The outer ring B has an inner radius r3 and an outer radius r4, and r2 7 r3. If the outer ring is heated and then fitted over the inner ring, determine the pressure between the two rings when ring B reaches the temperature of the inner ring. The material has a modulus of elasticity of E and a coefficient of thermal expansion of a.
if the stress tensor at appoint on a body is defined by: -8 6 -21 [0] = 6 4 2 MPa 1-2 2-5) Determine the state of stress on an element that is oriented by first rotating the xyz axes 45° about the z axis and then rotating the resulting axes 30° about the x axis
The gas pipeline is supported every 20 ft by concrete piers and also lays on the ground. If there are rigid retainers at the piers that hold the pipe fixed, determine the longitudinal and hoop stress in the pipe if the temperature rises 60° F from the temperature at which it was installed. The gas within the pipe is at a pressure of 600 lb>in2. The pipe has an inner diameter of 20 in. and thickness of 0.25 in. The material is A-36 steel.
A gap of 0.02 in. exists between the composite rod and the wall when the temperature is 75°F. Determine the temperature at which the normal stress in the aluminum rod will be equal to -9 ksi. The temperature of the aluminum rod is _____ °F.
The 50-mm-diameter cylinder is made from Am 1004-T61 magnesium and is placed in the clamp when the temperature is T1 = 20° C. If the 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 force in the cylinder when the temperature rises to T2 = 130°C.
The spherical gas tank is fabricated by bolting together two hemispherical thin shells. If the 510 cm inner diameter tank is to be designed to withstand a gauge pressure of 2802 kPa, determine the minimum number of 28-mm diameter bolts that must be used to seal it. The tank and the bolts are made from material having an allowable normal stress of 130 GPa and 323 MPa,respectively.
The device is used to measure a change in temperature. Bars AB and CD are made of A-36 steel and 2014-T6 aluminum alloy, respectively. When the temperature is at 75°F, ACE is in the horizontal position. Determine thevertical displacement of the pointer at E when the temperature rises to 150°F.
The cylindrical vessel with hemispherical end caps is made of steel and pressurized to 3.6 MPa. The vessel has a uniform thickness of 18 mm, an outer diameter of 400 mm and effective length of 600 mm. If this vessel is to be replaced with a spherical vessel of equal pressure and equal material strength, determine its thickness.

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9-58. The rod is made of A-36 steel and has a diameter of 20 mm. If the rod is 1.2 m long when the springs are compressed 12 mm and the temperature of the rodis T= 10 "C, determine the force in the rod when its temperature is T = 75 "C. |k- 200 kN/m k- 200 kNim F1.2 m-