1. When the force of 3 mN is applied to the plate the line AB in the liquid remains straight and has a velocity of 0.6x103 m/s. If the surface area of the plate in contact with the liquid is 0.6 m?, determine the approximate viscosity of the liquid. B B B' 3 mN 4 mm A
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- 1. When the force of 3 mN is applied to the plate the line AB in the liquid remains straight and has a velocity of 0.6x10-3 m/s. If the surface area of the plate in contact with the liquid is 0.6 m2, determine the approximate viscosity of the liquid. В B' 3 mN 4 mm A1. When the force of 3 mN is applied to the plate the line AB in the liquid remains straight and has a velocity of 0.6x103 m/s. If the surface area of the plate in contact with the liquid is 0.6 m2, determine the approximate viscosity of the liquid. В в B B' 3 mN 4 mm AThe block shown is made of a magnesium alloy for which E=X2GPaand ϑ=0.35. Knowing that σx= X1 MPa, determine (a) the magnitude of σyfor which the change in the height of the block will be zero, (b) the corresponding change in the area of the face ABCD, (c) the corresponding change in the volume of the block.
- A 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)The brass strip AB has been attached to a fixed support at A and rests on a rough support at B. Knowing that the coefficient of friction is 0.60 between the strip and the support at B, determine the decrease in temperature for which slipping will impend.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 h
- Help me pleaseA solid cube of side 1 m is kept at a room temperature of 32°C. The coefficient of linear therma expansion of the cube material is 1 x 105/°C and the bulk modulus is 200 GPa. If the cube is constrained all around and heated uniformly to 42°C, then the magnitude of volumetric (mean) stress (in MPa) induced due to heating is و او را6 A steel pipe with a 50 mm outside diameter and a 43.75 'mm inside diameter surrounds a solid brass rod 37.5 mm in diameter as shown. Both materials are joined to a rigid cover plate at each end. The assembly is free to expand longitudinally. The assembly is stress free at a temperature of 27°C. For steel, Young's modulus is 200 GN/m², and the coefficient of linear thermal expansion is 11.7x10-6 1/°C. For brass, Young's modulus is 93.33 GN/m², and the coefficient of linear thermal expansion is 1.872 x 10-5 1/°C. What is the stress in the steel tube when the temperature is raised to 121°C? brass rod (solid) 37.5 mm diameter steel tube 50 mm outside diameter 43.75 mm inside diameter
- The block shown is made of a magnesium alloy for which E = 45 GPa and ν = 0.35. Knowing that σx = -180 MPa, determine (a) the magnitude of σy for which the change in the height of the block will be zero, (b) the corresponding change in the area of the face ABCD, (c) the corresponding change in the volume of the block.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.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?