A solid rectangular shaft of cross-section 80 mm x 50 mm is welded by a 5 mm fillet weld on all sides to a flat plate with axis perpendicular to the plate surface. Find the maximum torque that can be applied to the shaft, if the shear stress in the weld is not to exceed 85 MPa. Hint: T(max)= 4.242 T1 sx 1²

A solid rectangular shaft of cross-section 80 mm x 50 mm is welded by a 5 mm fillet weld on all sides to a flat plate with axis perpendicular to the plate surface. Find the maximum torque that can be applied to the shaft, if the shear stress in the weld is not to exceed 85 MPa. Hint: T(max)= 4.242 T1 sx 1²

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.11.13P: A thin-walled rectangular tube has uniform thickness t and dimensions a x b to the median line of...

See similar textbooks

Similar questions

A thin-walled rectangular tube has uniform thickness t and dimensions a x b to the median line of the cross section (see figure). How does the shear stress in the tube vary with the ratio = a/b if the total length Lmof the median line of the cross section and the torque T remain constant? From your results, show that the shear stress is smallest when the tube is square (ß = 1).
A cylindrical pressure tank is fabricated by butt-welding 19 mm-thick plate with spiral seam shown below. The pressure in the tank is 2.76 MPa, and an axial load of 133.5 KN is applied to the end of the tank through a rigid bearing plate. Determine the normal stress and shearing stress perpendicular to the weld.
Q.2. A bar with a rectangular cross-section is weld as shown. Determine the size weld, if the pemissible shear stress in the weld 80 MPa. The rectangle area of a fillet weld is equal to [ 2t (b+/)]. 31KN
The shaft and the flange of a marine engine are to be designed for flange coupling, in which the flange is forged on the end of the shaft. The following particulars are to be considered in the design: Power of the engine=2.4 MW Speed of the engine 80 r.p.m Permissible shear stress in bolts and shaft = 60 MPa Number of bolts used =6 Pitch circle diameter of bolts=1.6* Dimeter of shaft Find 1.diameter of shaft; 2.diameter of bolts; 3.thickness of flange; and 4.diameter of flange. (25 degrea
Q2. A mild steel shaft transmits 21 kW at 250 r.p.m. It carries a central load of 900 N and is simply supported between the bearings 2.5 metres apart. Determine the size of the shaft, if the allowable shear stress is 42 MPa and the maximum tensile or compressive stress is not to exceed 56 MPa.
Show that the normal stress in case of an annular fillet weld subjected to bending is given by σ=5.66M/πsd² Where M = Bending moment; s = Weld size and d = Diameter of cylindrical element welded to flat surface.
Determine the maximum shear stress (in ksi). AT = 654 lb ft Diameter =3.7 in J =1.5in4 G = 11,000 ksi
Consider a tube having a rectangular cross-section as shown below. The tube is subject to two twisting moments of 70 N - m . Determine the average shear stress developed at point A. The tube is fixed at the other end. a) 1.75 MPa b) -1.65 MPa c) 4.086 MPa d) 2.095 MPa If your doing it fast, I will rate you...
A 3-m long thin-walled tube has an equilateral triangular cross-section with a constant thickness of 10 mm. If each side of the triangle is 200 mm measured at the median line and the allowable torsional stress is 40 MPa, what is the angle of twist in radians? (Use G = 70 GPa)
Calculate the average shear stress in a thin-walled tube having a circular cross section of mean radius rm and thickness t, which is subjected to a torque T
A double riveted butt joint, in which the pitch of the rivets in the outer rows is twice that in the inner Rows, connects two 16mm thick plates with two cover plates each 12 mm thick. The diameter of rivets is 22 mm. Determine the pitches of the rivets in the two rows if the working stresses are not to exceed the following limits: Tensile stress in plates =100 MPa; Shear stress in rivets =75 MPa; and bearing stress in rivets and plates =150 MPa. Make a fully dimensioned sketch of the joint by showing at least two views.
(30%) A circular aluminum tube subjected to T pure torsion by torques T has an outer radius r2 equal to 2 times the inner radius r1. (a) If the maximum shear strain in the tube is measured as 500x10-6 rad, what is the shear strain y1 at the inner surface? (b) If the maximum allowable rate of twist (0) is 0.15°/m and the maximum shear strain is to be kept at 500x10-6 rad by adjusting the torque T, what is the minimum required outer radius (r2 )min?