A horizontal nickel steel shaft shown in the below Figure rests on two bearings, A at the left and B at the right end and carries two gears C and D located at distances of 250 mm and 400 mm respectively from the centre line of the left and right bearings. The diameter of the gear C is 600 mm and that of gear D is 200 mm. The distance between the centre line of the bearings is 2400 mm. The shaft transmits 20 kW power at 120 r.p.m. The power is delivered to the shaft at gear C and is taken out at gear D in such a manner that the tooth force Fic of the gear C and FID of the gear D act vertically downwards. The gear C and D weighs 950 N and 350 N respectively. The combined shock and fatigue factors for bending and torsion may be taken as 1.5 and 1.2 respectively 1) Determine the reactions acting on the bearings A and B

A compound shaft drives several pulleys, as shown. Segments (1) and (2) of the compound shaft are hollow aluminum (G = 4000 ksi) shafts that have a polar moment of inertia of J = 2.835 in4. Segments (3) and (4) are solid steel (G = 12000 ksi) shafts that have polar moment inertia of J = 1.024 in4. The bearings shown allow the shaft to turn freely. Assume TB = 980 lb.ft TD= 525 lb.ft TE = 130lb.ft L1 =74in L2 =29in L3 =34in L4 =35in. Calculate the rotation angle (including the correct sign) of pulley E with respect to point A.

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The two solid steel shafts shown in the figure are connected together using gear wheels. The length of the CD shaft is Lcd=2 m and the length of the AB shaft is LAB= 1.5 m. The radius of gear C is rc=45 mm and the radius of gear B is rB= 90 mm. The CD and AB shafts rotate freely in the bearings on which they are supported. Also, shaft AB is fixed at point A. Each shaft has a diameter of 20 mm and a shear modulus of G=65 GPa. When a torque of T= 450 N.m is applied to the CD shaft from the D end;a) Calculate the torsion angle on shaft AB. (Write your result in radians.)b) Calculate the total rotation (torsion angle) of the D end of the CD shaft. (Write your result in radians.)

Problem 2: Consider the two gears mounted on the shaft, as shown. Distances are L1 = 100 mm, L2 = 250 mm, and L3 = 175 mm. Diameter of shaft AB is 15 mm, diameter of shaft BC is 20 mm, and diameter of shaft CD is 17.5 mm. Young's modulus for each portion is 200 GPa. Determine the displacement of point D with reference to point A. Also, determine the displacement of point A relative to C. b. Determine the axial strain at any point in shaft segments AB, BC and CD, respectively. If Poisson's ratio for the material of the shafts is v = 0.2, determine the lateral strain in each of the shaft segments. Based on your answers to part (a), do the gears move towards each other, or do they separate from each other? Note that in real gearboxes, movement of gears towards or away from each other is prevented by using thrust bearings. 10 kN 4 kN 5 kN 7 kN 4 kN NY 0I 17.

The steel shaft is made from two segments: AC has a diameter of 0.5 in., and CB has a diameter of 1 in. The shaft is fixed at its ends A and B and subjected to a torque of 500 lb-ft. Gst = 10.8(10³) ksi. (Figure 1) Figure sin. A 0.5 in. Jc 8 in D 500 lb-ft 12 in. 1 in. B < 1 of 1 Part A Determine the maximum shear stress in the shaft Express your answer to three significant figures and include the appropriate units. Tmax= Submit Provide Feedback μÅ Value 6 Request Answer Units www. ?

Please answer in proper units

A solid constant-diameter circular shaft is subjected to the torques of TA = 560 lb·ft, TB = 1080 lb·ft, TC = 850 lb·ft, and TD = 330 lb·ft, acting in the directions shown.  The bearings shown allow the shaft to turn freely.(a) Plot a torque diagram showing the internal torque in segments (1), (2), and (3) of the shaft.  Use the sign convention presented in Section 6.6.(b) If the allowable shear stress in the shaft is 4200 psi, what is the minimum acceptable diameter for the shaft?