9-69. The 50-mm-diameter cylinder is made fromAm 1004-T61 magnesium and is placed in the clamp whenthe temperature is T, = 20° C. If the 304-stainless-steelcarriage bolts of the clamp each have a diameter of 10 mm,and they hold the cylinder snug with negligible force againstthe rigid jaws, determine the force in the cylinder when thetemperature rises to Tz=130 "C.100 mm150 mm

The given problem comprises of a cylinder supported by two bolts under the rigid support system. Due…

Answered: 9-69. The 50-mm-diameter cylinder is…

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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Q2/ The 10-mm-diameter bolt is made of an aluminum alloy. It fits through a magnesium sleeve that has an inner diameter of 15 mm and an outer diameter of 25 mm. The original lengths of the bolt and sleeve are 80 mm and 50 mm, respectively. If after the nut on the bolt is tightened the tension in the bolt is 10 kN, determine the change in dimension of the cross-section of the bolt and the sleeve. Assume the material at A is rigid. Ea = 70 GPa, Emg = 45 GPa, Ga = 26 GPa, Gmg = 17 GPa. 50 mm 30 mm
Members AC and AB support the 800-lb crate. Determine the tensile force developed in member (AB). -3 ft- 4 ft- B 4 ft A
The bar of negligible weight is supported by two springs,each having a stiffness k = 80 N>m. If the springs are originally unstretched, and the force is vertical as shown,determine the angle theta the bar makes with the horizontal,when the 45-N force is applied to the bar. 1.5 m- 3 m C В 45 N
If the h0m0gen0us bar in equilibrium weighs 300N, what is the magnitude (N) of the tensi0n supp0rt at p0int C?
*9-72. The cylinder CD af the assembly is heated from T, = 30 °C to T, = 180 °C using electrical resistance. At the lower temperature T, the gap between C and the rigid bar is 0.7 mm. Determine the force in rods AB and EF caused by the increase in temperature. Rods AB and EF are made of steel, and cach has a cross-sectional area of 125 mm. CD is made of aluminum and has a cross-sectional area of 375 mm. E = 200 GPa, Ea = 70 GPa, and au = 23(10)/C a7 mm ல் mm 300் m
9-58. The rod is made of A-36 steel and has a diameter of 20 mm. If the rod is 1.2 m long when the springs are compressed 12 mm and the temperature of the rodis T= 10 "C, determine the force in the rod when its temperature is T = 75 "C. |k- 200 kN/m k- 200 kNim F1.2 m-
A rod consisting of two cylindrical portions AB and BC is restrained at both ends. Portion AB is made of steel (Es = 200 GPa and as = 11.7 x 10-6PC) and portion BC is made of brass (Ep = 105 GPa and ab = 20.9 x 10-6rC). Knowing that the rod is initially unstressed, determine the compressive force induced in ABC when there is a temperature rise of 45°C. - 30-mm diameter 250 mm B 50-mm diameter 300 mm The compressive force induced in ABC is |kN.
The 100 kg block is supported by two springs having the stiffness shown. Determine the stretch of spring AB, S(AB): 0.4 m - 0.3 m 0.4 m kAc-15 KN/m 12AN/m Select one: O a. none of these O b. S(AB) = 0.058 m O c. S(AB) = 0.22 m O d. S(AB) = 0.58 m
9
The rod is made of A-36 steel and has a diameter of 0.25in. If the rod is 4ft long when the springs are compressed 0.5in and the temperature of the rod is T=40°F, determine the force in the rod when its temperature is T=160°F. k= 1000 lb/in. ww 4 ft k = 1000 lb/in. WW
The acrylic plastic rod is 200 mm long and 15 mm in diameter. If an axial load of 300 N is applied to it, determine the change in its length and the change in its diameter. Ep = 2.70 GPa, np = 0.4.
Determine the maximum force P that can be exerted on each of the two pistons so that the circumferential stress in the cylinder does not exceed 3 MPa. Each piston has a radius of 45 mm and the cylinder has a wall thickness of 2 mm.

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