B Fig. P2.40 Fig. P2.41 E F 12 in. O C 500 mm D 400 mm 2.41 A brass bolt (E, = 15 x 106 psi) of 3-in. diameter is fitted inside a steel tube (Es = 29 x 106 psi) of -in. outer diameter and g-in. wall thickness. After the nut has been fit snugly, it is tightened a one- quarter full turn. Knowing that the bolt is single-threaded with a 0.1-in. pitch, determine the normal stress in (a) the bolt, (b) the tube. 2.42 A steel tube (E = 200 GPa) with a 32-mm outer diameter and a 4-mm wall thickness is placed in a vise, which is adjusted so that its jaws just touch the ends of the tube without exerting pressure on them. The two forces shown are then applied to the tube. After these forces are applied, the vise is adjusted to decrease the distance between its jaws by 0.2 mm. Determine (a) the forces exerted by the vise on the tube at A and D, (b) the change in length of portion BC of the tube. A 80 mm 42 kN 80 mm 80 mm B С. 30 kN D

B Fig. P2.40 Fig. P2.41 E F 12 in. O C 500 mm D 400 mm 2.41 A brass bolt (E, = 15 x 106 psi) of 3-in. diameter is fitted inside a steel tube (Es = 29 x 106 psi) of -in. outer diameter and g-in. wall thickness. After the nut has been fit snugly, it is tightened a one- quarter full turn. Knowing that the bolt is single-threaded with a 0.1-in. pitch, determine the normal stress in (a) the bolt, (b) the tube. 2.42 A steel tube (E = 200 GPa) with a 32-mm outer diameter and a 4-mm wall thickness is placed in a vise, which is adjusted so that its jaws just touch the ends of the tube without exerting pressure on them. The two forces shown are then applied to the tube. After these forces are applied, the vise is adjusted to decrease the distance between its jaws by 0.2 mm. Determine (a) the forces exerted by the vise on the tube at A and D, (b) the change in length of portion BC of the tube. A 80 mm 42 kN 80 mm 80 mm B С. 30 kN D

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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