The minimum safe bending radius of a certain polyethylene tube is theoutside diameter times 31⁄2. The tube has an outside diameter of 3⁄8 inch.What is the minimum bending radius?
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The minimum safe bending radius of a certain polyethylene tube is the
outside diameter times 31⁄2. The tube has an outside diameter of 3⁄8 inch.
What is the minimum bending radius?
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- 3. A steel bolt through a 31-in long aluminum tube has the nut turned on until it just touches the end of the tube. No stress is introduced on the bolt or the tube. The temperature of the assembly is raised from 70 to 81 degrees Fahrenheit. The cross-sectional area of the bolt is 0.09 sq. inch and the cross-sectional area of the tube of 0.30 sq. inch. a. Find the thermal deformation (in inches) of the steel bolt. (Write your answer to 6-decimal places.) b. Find the thermal deformation (in inches) of the aluminum tube. (Write your answer to 6-decimal places.) c. Find the stress (in psi) induced in the steel bolt by the temperature change. d. Find the stress (in psi) induced in the aluminum tube by the temperature change.PLZ STEP BY STEP MORE SPACIFICATIONA polymer cylinder (2) is clamped between rigid heads by two steel bolts (1). The steel [E = 29,000 ksi; a = 6.5×10-6/°F] bolts have a diameter of 0.50 in. The polymer [E = 380 ksi; a = 39.7x 10-6/°F] cylinder has an outside diameter of 7.0 in. and a wall thickness of 0.40 in. Assume a = 22 in. and b = 30 in. If the %3D temperature of this assembly changes by AT = 125°F, determine: (a) the normal stress in the polymer cylinder. (b) the normal strain in the polymer cylinder. (c) the normal strain in the steel bolts. |(1) (2) C а (1) b. Answer:
- A polymer cylinder (2) is clamped between rigid heads by two steel bolts (1). The steel [E = 29,000 ksi; a = 6.5x10-6/°F] bolts have a diameter of 0.35 in. The polymer [E = 330 ksi; a = 38.3× 10-6/°F]cylinder has an outside diameter of 6.0 in. and a wall thickness of 0.75 in. Assume a = 23 in. and b = 27 in. If the temperature of this assembly changes by AT = 110°F, determine: (a) the normal stress in the polymer cylinder. (b) the normal strain in the polymer cylinder. (c) the normal strain in the steel bolts. (1) (2) (1) b Answer: (a) 02 = psi. (b) Ɛ2 = με (c) ɛ1 =A 13 in length of aluminum tubing (with E = 11.4 x 106 psi and = 12 x 10-6 /deg F) having a cross-sectional area of 1.6 in2 is installed with “fixed” ends so that it is stress-free at 70 deg F. In operation, the tube is heated throughout to a uniform 500 deg F. Careful measurement at the higher temperature indicates that the fixed ends separate to 13.008 in. What loads are exerted on the ends of the tube, and what are the resultant stresses?Compute the volume change of a solid copper cube, 40 mm on each edge, when subjected to a pressure of 20MPa. The bulk of modulus for copper is 125GPa. Please solve this problem with complete and detailed solution. Thank you
- 50 MN m Q2: What is the minimum thickness of a spherical steel tank if the diameter is 96 in, internal pressure is 500 psi, the tensile strength of the steel is 60ksi, and the yield strength of the steel is 25 ksi?A rectangular nylon [E = 8 GPa; ?= 0.35; ? = 24 ×10 6/°C] plate has a circular hole in its center. At an initial temperature of T¡ = 15°C, the plate width is b = 260 mm, the plate height is h = 160 mm, the diameter of the central hole is d = 45 mm, and the thickness of the plate is t = 17 mm. At a final temperature of Tf= 52°C, determine (a) the diameter d of the central hole. (b) the thickness t of the plate. b hA polymer cylinder (2) is clamped between rigid heads by two steel bolts (1). The steel [E = 29,000 ksi; a = 6.5x10-6/°F] bolts have a diameter of 0.30 in. The polymer [E = 370 ksi; a = 38.3x 10-6/°F] cylinder has an outside diameter of 6.6 in. and a wall thickness of 0.75 in. Assume a = 29 in. and b = 37 in. If the temperature of this assembly changes by AT = 135°F, determine: (a) the normal stress in the polymer cylinder. (b) the normal strain in the polymer cylinder. (c) the normal strain in the steel bolts. %3D %3D %3D %3D (1) C (2) a (1) b. Answer: (a) 02 = psi. (b) E2 = 3d (c) E1 =
- Policie Current Attempt in Progress A steel [E = 29900 ksi, a = 6.5x10-6/°F] bar is held between two rigid supports. The bar is stress free at a temperature of 72°F. The bar is then heated uniformly. If the yield strength of the steel is 45 ksi, determine the temperature at which yield first occurs. Answer: T= i °FA spherical stainless-steel tank having an inner diameter ‘D’, is used to store naturalgas at a pressure of ‘p’. The properties of the steel are as follows: yield stress in tensionis ‘T’; yield stress in shear is ‘S’ and modulus of elasticity is ‘E’. The desired factor ofsafety with respect to yielding is ‘F.S’.Determine the minimum permissible thickness t min of the tank. (D (mm)=620)( p (MPa)=25)( T (MPa)=1000)( S (MPa)=440)( E (GPa)=208)( F.S=3.4)A copper tube having a cross sectional area of 2000 mm2 and a length of 300 mm is rigidly fixed to two rigid caps on its longitudinal ends. Four steel bolts, each having a diameter of 22 mm, are symmetrically arranged parallel to the axis of the tube and are slightly fastened to the rigid caps, as well. The temperature of the assembly is then raised to 70oC. Take the elastic modulus for Copper and Steel as ECU=100 GLa and EST=200 GPa respectively; the coefficient of linear expansion for Copper and Steel as aCU=16x10-67°C and aST=12x10-6/°C respectively. Calculate the load carried by the copper tube and the load carried by each steel bolt