The five-bolt connection must support an applied load of P= 196 kips. If the average shear stress in the bolts must be limited to 13 ksi, what is the minimum bolt diameter that may be used for this connection? Part 1 There are 5 bolts. It is always assumed that each bolt supports an equal portion of the external load P. Calculate the force carried by each bolt. Answer: eTextbook and Media Save for Later kips Attempts: 0 of 6 used Submit Answer

The five-bolt connection must support an applied load of P= 196 kips. If the average shear stress in the bolts must be limited to 13 ksi, what is the minimum bolt diameter that may be used for this connection? Part 1 There are 5 bolts. It is always assumed that each bolt supports an equal portion of the external load P. Calculate the force carried by each bolt. Answer: eTextbook and Media Save for Later kips Attempts: 0 of 6 used Submit Answer

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.9.9P: A lifeboat hangs from two ship's davits. as shown in the figure. A pin of diameter d = 0.80 in....

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A lifeboat hangs from two ship's davits. as shown in the figure. A pin of diameter d = 0.80 in. passes through each davit and supports two pulleys. are on each side of the davit. Cables attached to the lifeboat pass over the pulleys and wind around winches that raise and lower the lifeboat. The lower parts of the cables are vertical and the upper parts make an angle a =15° with the horizontal. The allowable tensile force in each cable is 1800 lb, and the allowable shear stress in the pins is 4000 psi. If the lifeboat weighs 1500 lb, what is the maximum weight that can be carried in the lifeboat?
Two steel wines support a moveable overhead camera weighing W = 28 lb (see figure part a) used For close-up to viewing of field action at sporting, events. At some instant, wire I is at an angle a = 22° to the horizontal and wire 2 is at angle fi = 40°. Wires I and 2 have diameters of 30and 35 mils, respectively. (Wire diameters are often expressed in mils; one mil equals 0.001 in.) (a) Determine the tensile stresses s and s2 in the two wires. (b) If the stresses in wires 1 and 2 must be the same, what is the required diameter of wire 1 ? (c) To stabilize the camera for windy outdoor conditions, a third wire is added (see figure part b). Assume the three wires meet at a common point coordinates (0, 0. 0) above the camera at the instant shown in figure part b. Wire I is attached to a support at coordinates (75 ft, 48 ft, 70 Ft). Wire 2 is supported at (-70 ft. 55 ft, 80 Ft). Wire 3 is supported at (-10 ft. -85 Ft, 75 ft). Assume that all three wires have a diameter of 30 mils. Find the tensile stresses in all three wires
Solve the preceding problem if the internal pressure is 3,85 MPa, the diameter is 20 m, the yield stress is 590 MPa, and the factor of safety is 3.0. (a) Determine the required thickness to the nearest millimeter. (b) If the tank wall thickness is 85 mm, what is the maximum permissible internal pressure?
An inflatable structure used by a traveling circus has the shape of a half-circular cylinder with closed ends (see figure). The fabric and plastic structure is inflated by a small blower and has a radius of 40 ft when fully inflated. A longitudinal scam runs the entire length of the "ridge" of the structure. If the longitudinal scam along the ridge tears open when it is subjected to a tensile load of 540 pounds per inch of seam, what is the factor of safety n against tearing when the internal pressure is 0,5 psi and the structure is fully inflated?
The load on a helical spring is 1282 lb and the corresponding deflection is to be 3.4 inches. Rigidity modulus is 11 x 106 psi and the maximum intensity of safe torsional stress is 60,000 psi. If the wire diameter and the mean diameter are 0.5 in. and 3 in., respectively. Determine the number of active coils. Don't round your answer to preferred size. Round your answer to 4 significant figures
Agui - 4550/2 =2276 two plates each with thickness t - 16 mm are bolted together with 6-222 mndia. bolts firming alap Joint Bolt spacing are follows St- $40mm S2 - 80mm, S3=150mm effective bolt hole dia. is 25mm A36 is used. Compute the allowable tensile Strength P t = 16 mm &t 52 747₁ 0 O O 40 60 80 40 +=16mm S-400 $3-100 S2-40 7 @ 4umm P
S-3) In order to carry the 100 KN force safely on the frame in Figure 3, find the diameters of the B and D pins (B single cut D double cut), the thickness t of the BD bar. (Safety Cat.(S)=2, T = 250 Nmm2 o -350 N/mm2) 40.a mm 300 mm a=9.6 TAKE 60.a mm 50 mm D Yatağı 100 mm t mm F=100 kN
Two plates are clamped by a 3/4-10 UNC SAE Grade 5 bolt and regular nut with a 3/4-W plain washer as shown in figure. Top plate is made of grey cast iron and bottom plate is steel. An axial force of 12kN is acted upon the joint. Round off the length of the bolt to nearest 1/4in. Assume bolts are preloaded to 75% of proof load. 1. Determine the bolt stiffness kb. 2. Determine the member stiffness km. 3. Determine the yielding factor of safety of the bolt. 4. Determine the load factor for the bolt. 5. Determine the load factor guarding against joint separation. 1.25 in 1.00 in
Q2/ A 3/4in-16 UNF SAE grade 5 bolt is subjected to a load of 8 kip in a tension joint. The initial bolt tension is F 30 kip. The bolt and joint stiffness's are kb=8 & km=15Mlbf/in, respectively. a) Determine the preload and service load stresses in the bolt. Compare the to the SAE minimum proof strength of the bolt. b) Specify the torque necessary to develop the preload.
Two metal plates, are joined as show below. Using standard material values, complete the following: a. Select a suitable bolt diameter b. For a load P = 150 kN. Determine the minimum plate thicknesses Hex head Aluminium bolt P Brass Upper plate P 150 Linear dimensions in mm 35 + # 80 35 P Copper Lower plate Modified from Statics and Strength of Materials by Morrow and Kokernak
1.3-2 A load of P = 3.0 kips is applied to the connection. The failure stress of the pin material is 25 ksi. Design the diameter of the pin to the nearest 1/16-inch assuming a factor of safety of 2.
4. Determine the design stress for bolts in a cylinder cover where the load is fluctuating due to gas pressure. The maximum load on the bolt is 50 kN and the minimum is 30 kN. The load is unpredict- able and factor of safety is 3. The surface of the bolt is hot rolled and the suface finish factor is 0.9. During a simple tension test and rotating beam test on ductile materials (40 C 8 steel annealed), the following results were obtained : Diameter of specimen =12.5 mm; Yield strength= 240 MPa; Ultimate strength= 450 MPa; Endurance limit = 180 MPa. [Ans. 65.4 MPa]