A bracket (shown in figure) is rigidly mounted on wall using four rivets. Each rivet is 6 mm in diameter and has an effective length of 12 mm. 32- 32 /4 1000 N 20 100 75 25 12-+ -40 12-
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- A 60 mm long and 6 mm thick fillet weld carries a steady load of 15 kN along the weld. The shear strength of the weld material is equal to 200 MPa. The factor of safety is (a) 2.4 (c) 4.8 (b) 3.4 (d) 6.8The arm in the figure is combined with a rod with a diameter of d=30 mm and a neck (corner) weld of a=5 mm thickness to the rod wall sourced with. The force acting on the arm is F=2 kN. The lengths are L1=L2=100 mm. Joined parts St37-2 (ak=235 N/mm2 ) made of material. Welding is I. Quality and has no impact effect. Check if the source in zone A is safe. Please pay. (S=1.5 V1=0.8)A steel post /t if with a hollow circular cross section is fixed at the base and free at the top (see figure). The in net and outer diameters arc d1= 96 mm and d2= 110 mm, respectively, and the length is L = 4.0 m. A cable CED passes through a fitting that is welded to the side of the post. The distance between the plane of the cable (plane CBD) and the axis of the post is e = 100 mm, and the angles between the cable and the ground arc a = 53.13º. The cable is preten-sioned by tightening the turn buck les. If the deflection at the top of the post is limited to = 20 mm, what is the maximum allowable tensile force Tin the cable? (Assume E = 205 GPa.)
- The bottom of a steel "boat" is a 5.00 mm ×× 9.00 mm ×× 2.00 cmcm piece of steel (ρsteel=7900kg/m3)(ρsteel=7900kg/m3). The sides are made of 0.550 cmcm -thick steel. To do this problem, assume that the bottom of the boat is the full dimensions, but that the sides of the boat are welded onto the top of the bottom (so the total side height is the height of the side plus the thickness of the bottom). h= ? cm9-8kN stress/force on the AB rope holding the base station shown below There are. In order for the net force at point A of this base station to be downward What is the stress/force that should be on the AC rope? A) 5556 N C) 7356 N B) 8200 N D) 3648 N E) 1228 NA 25 mm diameter shaft is to be fit into a 25 mm ID bushing. What will be the clearance if the shaft is cooled by 25 °C while the bushing is heated by 30 °C? both the shaft and the bushing has a coefficient of thermal expansion of 11.6 x10^-6 m/m-°C.
- A tensile load of 330,000 N is applied to a copper pipe with maximum allowable stress of 110 MPa and 80 mm inner diameter. What should be the thickness of the pipe? Choices: A. 9.78 mm B. 12.35 mm C. 11.56 mm D. 10.55 mmA small stepladder has vertical rails and horizontal steps formed from a C-section aluminum channel. Two rivets, one in front and one in back, secure the ends of each step. The rivets attach the steps to the left and right hand rails. A 225 lb person stands in the center of a step. If rivets are formed of 6061-T6 aluminum, what should be the diameter d of the rivets? Use a factor of safety of 8 and round your answer to the nearest 1/16 of an in.The internal pressure of a 400 mm inside diameter cylindrical tank is 10 MPa and the wall thickness is 25 mm. Determine the stress developed if the joint efficiency is 95%. A. 36.8 MPa C. 48.2 MPa B. 24.8 MPa D. 84.2 MPa
- For the given values, determine the efficiency of the fin?Determine the thickness of a steel air receiver with 30 inches diameter and pressure load of 120 psi with a design stress of 8,000 psi. A. ¼ in C. 3/8 inB. 5/8 in D. ½ inA steel plug has a diameter of 20 mm at 30 °C. At what temperature will the diameter be equal to 19.995 mm? a=11 x 10-6 /°C. A) -23.57 celcius B) -5.53 celcius C) 7.27 celcius D) 52.73 celcius