Determine the horizontal displacement of end point D of the steel rod shown in the figure. E=200 GPa A = 200 mm² A = 600 mm² A B 300 KN 0.3 m Your answer: 0.25 mm to the left 0.25 mm to the right 1.25 mm to the right O 1.25 mm to the left O 1.75 mm to the right C 200 KN 0.3 m 0.4 m D 100 kN
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- Q2\ Determine the torsional stress of the cantilever shafts show in the figures below. 86= b T 5 KN.m T 200 5 KN.m 20 0 20 0 Note: All dimensions in mm. ·2=15 70 200 Note: All dimensions in mm. 15 0,The drive shaft for a truck (outer diameter 60 mm and inner diameter 40 mm) is running at 42 Hz. If the shaft transmits 133 kW, what is the maximum shear stress in the shaft in MPa? Round up final answer to whole numberA steel pipe has an inside diameter of d = 250 mm and an outside diameter of D = 268 mm. The length of the pipe is L = 6.0 m. The changes in dimension caused by an increase in temperature of 80°C for the: Outside diameter - Blank 1 mm Inside diameter - Blank 2 mm Lenght - Blank 3 mm Note: All answer must be round off up to 3 decimal places.
- If the internal torque experienced by a hollow brass shaft (G = 39 GPa) at a section with diameter d = 100 mm with 3 mm thick walls is T = 12 kNm, which of the following is closest to the magnitude of the minimum shear strain developed on that section? Select one: O A. 0.0072 rad O B. 0.0137 rad O C. 0.0128 rad O D. 0.0067 rad80mm F 30mm 40mm 30mm d=15mm The steel plate shown is connected to the bracket by a 15mm bolt is subjected to tensile force F=70KN. Find out the average normal stress (N/mm2) at the plate. Select one: oa 281 Ob158 Oc 219 Dd187The rigid bar BC is supported by the steel rod AC of cross-sectional area 0.31 in2. Find the vertical displacement (in inches and absolute value) of point Coaused by the 2888-lb load if x = 8.7 ft and 8 = 46.5-. Use E = 29159 ksi for steel. Note: Round off the final answer to four decimal places. Rigid B P
- = Consider a hollow circular shaft of inner radius r; = 1.25 inch and outer radius of ro 1.50in, subjected to the following loads Fx = 100 lb, Fy = 150 lb, and F = 100 lb. Determine the state of stress (3x3 matrix) and the principal stresses at point p. Report your answers in psi to one decimal place. Note the figure is not to scale. у P fixed support R1-25 in 90⁰ X 90⁰ R2=50 in h=20 in Fy Note the hollow circular shaft lies in the x-y plane only Fz Fx ro ri || = /1.50" 1.25" YZ cross-section р XQuestion 3 Determine the elongation of the square hollow bar when it is subjected to the axial force P = 100 kN, find the permanent elongation of the bar. The bar is made of a metal alloy having a stress-strain diagram which can be approximated as shown. o (MPa) 500 600 mm P 50 mm 250 5 mm e (mm/mm) 0.00125 0.05 50 mm ´5 mm a. Find the stress (MPa) of the bar. b. Find the permanent elongation (mm) of the bar.The assembly consists of three steel rods (E=13 x 106 psi) and a rigid bar AC. The cross-sectional area of each rod is given in Figure 1. If a force of 6.5 kip is applied to the ring F, determine the horizontal displacement of point F. D 4 ft AcD = 1.5 in? 2 ft F E 1 ft 6.5 kip 1 ft AEF = 2.1 in? A AB = 1.3 in? 6 ft Figure 1
- 1-26. What is the required diameter of the pin Bfor the bell crank mechanism shown in the figure if an applied force of 60 kN at A is resisted by a force P at C? The allowable shearing stress is 100 MPa. Ans, 23.2 mm. 60 N A 150 mm 300 mm Pin BOne shaft is in torsion as shown below. If the magnitude of shear stress at point A is 345.6 MPa, calculate the magnitude of the shear stress at point B on the same cross-section as point A: MPa. Calculate your answer to 1 decimal place. 40 mm 30 mm TQuestion 1: Given that Tuitow = 50 MPa for the rod AB and tattow = 25 MPa for the rod BC. If T=1250 N.m, find the required radius for both rods. Ahmtmum AB = BC =