A solid shaft transmits 250 kW at 100rpm. If the shear stress is not toexceed 75 N/mm², what should bethe diameter of shaft? If this shaft isto be replaced by a hollow shaftwhose internal diameter shall be 0.6times the outer diameter, determinethe size and percentage saving inweight,maximum stress being same.

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Answered: A solid shaft transmits 250 kW at 100…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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X Your answer is incorrect. The copper pipe [G - 7,000 ksi] has an outside diameter of 3.250 in. and a wall thickness of 0.250 in. The pipe is subjected to a uniformly distributed torque of t- 80 lb-ft/ft along its entire length. Using a - 2.0 ft, b- 3.5 ft, and c- 7.0 ft, determine (a) the maximum shear stress in the pipe. (b) the rotation angle oc at the free end of the shaft. B Answers: (a) Tmax- i 10080 ksi (b) oc - i 2045.71 rad
4G ll. 91 jo 78 Home work The copper pipe has an outer diameter of 40mm and an inner diameter of 37mm. If it is tightly secured to the wall at A and three torques are applied to it as shown below in the figure. Determine the absolute maximum shear stress developed in the pipe 2ON.m 8ON M 3ON.M هوم و ورك مقاومه التسليم الثلاثاء القادم. . . ناطق العیدان 29/12/21
Meme biloe orfT Timeneu of bozu et thede 19 5-5. The copper pipe has an outer diameter of 2.50 in, and an inner diameter of 2.30 in. If it is tightly secured to the wall and three torques are applied to it, determine the shear stress developed at points A and B. These points lie on the pipe's outer surface. Sketch the shear stress on volume elements located at A and B. sib- M00 B 450 lb ft 350 lb·ft 600 lb-ft ♡ 2 O O O
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SECTION: 500mm 20 KN I5 KNIM 1000 mm 12 m Ps 800 KN e : 400 mm (ASSUME IS % LOS SES) A. Determine the stress at the bottom in the free end. (MPa) B. Determine the stress at the top in the fixed end. (MPa)
A solid 40 mm diameter shaft is subjected to the torques shown. The bearings shown allow the shaft to turn freely. Assume TA - 536 N-m, Tg - 1340.0N-m, Tc - 1072 N-m, and To - 268.0 N-m. Determine the magnitude of the maximum shear stress in the shaft. TB Tc Tp (3) (2) B D Answer: Tmax" MPа
Of the following solid shafts diameter, which is the smallest that can be used for the rotor of a 6 hp motor operating at 4500 rpm, if the maximum shear stress for the shaft is 8500 psi?A. 5/16 inB. 3/8 inC. 1/2 inD. 1 in
8. Two flat jacks, 12 in. square, are placed in the w: 3 mately circular test gallery 8 ft in diameter. na:!;a:;d ?: iﬁﬁ.ﬁ'ﬁf& placed in the side wall. Flat jack 2 is vertical, with its edge parallel to the axis of the gallery. The cancellation pressures measured were 2500 psi with FJ 1 and 900 psi with FJ 2. Estimate the initial stresses (vertical and hori- zontal). List your assumptions.
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