500 mm 1) A circular brass bar AC of diameter 100 mm is rigidly connected to...
1) A circular brass bar AC of diameter 100 mm is rigidly connected to a circular steel bar CB of the same diameter as shown. The composite bar is rigidly held at its two ends A and B. A torque T is applied to the shaft at point C. Knowing that the allowable shear stresses in the brass and steel are 120 MPa and 250 MPa, respectively, determine the allowable torque Tallow. The shear moduli for brass and steel are...
A hollow circular steel shaft has a 100-mm outside diameter and a 75-mm inside diameter. Calculate the allowable torque that can be transmitted if the allowable shear stress is 62 MPa. When the allowable torque is applied, calculate the shear stress at the inner surface of the shaft.
1. A solid steel bar of diameter d; = 25.0 mm is enclosed by a steel tube of outer diameter d3 = 37.5 mm and inner diameter d2 = 30.0 mm (see figure). Both bar and tube are held rigidly by a support at end A and joined securely to a rigid plate at end B. The composite bar has a length L = 600 mm and is twisted Tube by a torque T = 400 N-m acting on the...
4. The composite bar consists of a 20-mm diameter steel segment AB and 50-mm diameter brass end segments DA and CB. Find the stress on each segment due to the applied loads. E of steel is 200 GPa and E of brass is 101 GPa. 250mm 250mm 250mm 50mm 50mm 20mm 75kN 100KN steel brass brass DA 75KN 100KN B
A solid steel bar of circular cross section has diameter d = 40 mm, length L = 1.3 m and shear modulus of elasticity G = 80 GPa. The bar is subjected to torques T acting at the ends. If the torques have magnitude T = 340 Nm, what is the maximum shear stress in the bar? What is the angle of twist between the ends? If the allowable shear stress is 42 MPa and the allowable angle of twist...
A bar is uniformly compressed by an axial force P 40 kN applied throurhard end plate (see figures. The bar consists of a circular steel core surrounded by brass and copper tubes. The steel core has diameter 30 mm, the brass tube has outer diameter 45 mm, and the copper tube has outer diameter 60 mm. The corresponding moduli of elasticity are = 210 GPa = 100 GPa, and E= 120 GPa. Calculate the compressive stresses and in the steel,...
Question #2 [12 marks] 15 mm The Figure shows a steel bar of rectangular cross section (10x40 mm) carries a tensile load P and is attached to a support by means of a round pin of diameter 15 mm. The allowable stresses for the bar in tension and the pin in shear are Gallow -120 MPa and Tallow 60 MPa, respectively. What is the maximum permissible value of 10 mm the load P? 40 mm Question #3 [16 marks] Cross...
of a brass core (diameter d, -8 mm) surrounded by a steel shell (inner diameter d2 8.75 mm, outer diameter d -10 mm), topped by a rigid cap. A load P compresses the core and shell, which have length L 120 mm. The moduli of elasticity of the brass and steel are Eb- 101 GPa and E 200 GPa, respectively. a) What load P will compress the assembly by 0.104 mm? b) If the compressive yield stress of the brass...
BRASS STEEL ti ods Problem 1. Torque To is applied at the midpoint of a solid steel bar with diameter ds and length 1.5 L which is bonded to two brass collars, each with wall thickness to and length 0.25 L. The twist angle at point C is specified to be an allowable angle oca. To I 1 А B с E a L va 2 4 L The steel bar and brass collars are attached to fixed supports at...
A Solid ac bar has a circular cross section of 30 mm diameter. For the shown torques, Calculate the angle of twist Φac of the entire shaft, knowing that G = 70 GPa. T 10 kN·m 4 m 3 m