1. The shaft AD in Figure 1 supports two pulleys at B and C of radius 200 mm and 250 mmrespectively. The shaft is supported in frictionless bearings at A and D and is rotating clockwise(when viewed from the right) at a constant speed of 300 rpm. Only bearing A can support thrust.The tensions T₁ = 200 N, T₂ = 400 N, and T3 = 300 N. The distances AB = 120 mm, BC = 150mm, and CD120 mm. Find the tension 74 and the reaction forces at the bearings.ATfoFigure 1

Answered: Image /qna-images/answer/982f208d-bb56-4a97-95ad-d8ae75e83589.jpg

Answered: 1. The shaft AD in Figure 1 supports…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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4. A machine shaft turning at 600 rpm is supported on bearings 30" apart. Twenty HP is supplied to the shaft through an 18" pulley located 10" to the right of the right bearing. The power is transmitted from the shaft through an 8" spur gear located 10" to the right of the left bearing. The pulley weighs 200 lb to provide some flywheel effect. The forces acting on the pulley and the gear are given in the diagram. The shaft material selected has an ultimate strength of 70,000 psi and a yield stress of 46,000 psi, determine: Reactions at the bearings b. Bending moment diagrams in the horizontal and vertical directions a. The necessary diameter in accordance with the ASME Code using Kh=1.5 and Kt = 1.0. points) с. Pulley Mt 525 lb Gear 191 lb Mt Forces on Gear 10" 20" 10" 348 lb W-200 lb 116 lb
Need help with number 13, please!
PLEASE ANSWER PART 4 and 5 Part 1 Calculate the polar moments of inertia in segments (1) and (2). Answer: J₁ = 13.84 in.⁴ J₂= 1.535 in. ⁴ Part 2 Calculate the internal torques T1 and T2 in shaft segments (1) and (2), respectively. On paper, prepare an internal torque diagram for the compound shaft that shows these internal torques. Use the sign convention presented in Section 6-6. Answer: T₁ = 800 Ib-ft, T₂= -800 Ib-ft. Part 3 Calculate the maximum shear stress in each shaft segment. On paper, prepare a diagram that shows the maximum shear stress in segments (1) and (2) of the shaft. Use the sign convention presented in Section 6-6. Answer: τ₁ = 1560.69 psi, τ₂ = -7817.59 psi Part 4 (PLEASE ANSWER) Determine the rotation angle of B with respect to the support at A. Please Answer: φB= rad. Part 5 (PLEASE ANSWER) Determine the rotation angle of C with respect to the support at A. Please Answer: φC= rad.
4) The 1.5 in diameter shaft below is supported by a thrust bearing at A and a self-aligning bearing at B. The gear weights 100 lbs and supports a 400 lb load in the axial direction (+x-direction), a 2000 lb transmitted load (+y-direction), and 600 lb radial load (-z-direction). The pulley weighs 400 lb and supports loads in the +z-direction. a. Construct the V-M-N-T diagrams for the shaft. b. Determine the location on the shaft with the most severe state of stress. c. Sketch the Mohr's circle and find the principal stresses at that location. 6 in. -12 in. - 8 in. YA 400 lb 600 lb Gear 2000 lb 4 in. 1200 lb 200 lb D 8 in. Pulley
A 1" diameter line shaft, which is supported by frictionless pulleys at the ends, carries 2 pulleys. The 10" diameter driver pulley is driven in a counter-clockwise direction, and its belt tensions are 25 lbs and 56 lbs. The 2" diameter driven pulley has one of its belt tensions measured at 30 lbs. Calculate the missing belt tension.
Please help!!!
This airplane nose wheel assembly is raised by applying a torque M, as shown. The arm AD and the wheel have a combined weight of 100lbs, and the center of gravity is at G, as shown. Determine the torque required to maintain the assembly at the configuration shown in the following figure (D is directly below B and ?= 15°).
Problem 14 The backstop shown schematically in the figure is used to prevent backward rotation of the shaft. A sector is pivoted at 0,and one end of the band is attached to it and operates at a radius r2 =57 mm. The other end of the bend is attached at point a so that Oa =r1= 25 mm. The diameter of the wheel is 210 mm, the angle of Wrap is 270°, and the width of the band is 54 mm. The torque on the wheel is 400 N.m. Assuming a coefficient of friction between the band and wheel equal to 0.2, determine the following: (a) the maximum band tension; (6) the maximum pressure between the band and wheel; and (c) whether the backstop is self-locking. Locking O
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For the shaft shown in the figure below, compute the angle of twist of pulleys B and C relative to A. The steel shaft has a diameter of 35 mm throughout its length. The torques are T1= 1500 N · m, T2 = 1000 N · m, = 500 N · m. The lengths are L, = 500 mm, L2 = 800 mm. T3 L2 T |T2 T3 A C B.
In a gearbox, a spur gear is mounted on a shaft at equal distances from twosupporting bearings. The shaft and mounted gear turn together at a speed of3600RPM. The gearbox is designed to transmit a maximum power of 3kW. Thegear contact angle is φ = 20°. The pitch diameter of the gear is dp = 30 in. a) Findthe radial force on each of the two bearings supporting the shaft.The ratio of the two bearings’ length and diameter is L/D = 0.5. The bearings aremade of acetal resin material with the following limits:Surface velocity limit, V, is 5m/s.Average surface-pressure limit, P, is 7 MPa.PV limit is 3000 psi-ft/min.b) Find the diameter of the shaft in order not to exceed the stated limits.
2. A machine shaft turning at 600 rpm is supported on bearings 20" apart. Twenty HP is supplied to the shaft through a 20" pulley located 10" to the right of the right bearing. The power is transmitted from the shaft through an 8" spur gear located at the middle of the two bearing. The pulley weighs 300 lb to provide some flywheel effect. The forces acting on the pulley and the gear are given in the diagram. The shaft material selected has an ultimate strength of 70,000 psi and a yield stress of 46,000 psi, determine: Reactions at the bearings b. Bending moment diagrams in the horizontal and vertical directions а. C. The necessary diameter in accordance with the ASME Code using Kb =1.5 and Kt = 1.5. %3D Pulley Mt 525 lb Gear 191 lb Mt 10" 10" 10" Forces on Gear 348 lb W=300 lb 116 lb

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