Q1. (A). A 25mm square cross-section bar of length 300mm carries an axial compressive load of 50kN. Determine the stress set up in the bar and its change of length when the load is applied. For the bar material E= 200 GN/m². Q2. A beam AB, 1.2 m long, is simply-supported at its ends A and B and carries two concentrated loads, one of 10 kN at C, the other 15 kN at D. Point C is 0.4 m from A, point D is 1 m from A. Draw the S.F. and B.M. diagrams for the beam. Q3. A solid steel shaft (A) of 50 mm diameter rotates at 250 rev/min. Find the greatest power that can be transmitted for a limiting shearing stress of 60 MN/m2 in the steel.

Q1. (A). A 25mm square cross-section bar of length 300mm carries an axial compressive load of 50kN. Determine the stress set up in the bar and its change of length when the load is applied. For the bar material E= 200 GN/m². Q2. A beam AB, 1.2 m long, is simply-supported at its ends A and B and carries two concentrated loads, one of 10 kN at C, the other 15 kN at D. Point C is 0.4 m from A, point D is 1 m from A. Draw the S.F. and B.M. diagrams for the beam. Q3. A solid steel shaft (A) of 50 mm diameter rotates at 250 rev/min. Find the greatest power that can be transmitted for a limiting shearing stress of 60 MN/m2 in the steel.

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

See similar textbooks

Similar questions

do not shortcut and 4 decimal places
9. Three steel rods having an area of 300 mm², jointly support the 8-kN load. Assume that there was no slack or stress in the rods before the load was applied. Determine the axial force exerted by each rod. Use E 200 GPa. B D C 25° 25° A 8 kN 2.75 m
1. A 16-cm square steel bearing plate lies between a 12-cm diameter wooden post and a concrete footing as shown below. Determine the maximum value of the axial load P if the stress in wood is limited to 300 MPa and that in concrete to 90 MPa. 12-cm Bearing Plate 16 cm 16 cm For problem 1
A simple pin connected truss is loaded and supported as shown. The truss is constructed from three aluminum members, each having a cross sectional area of A = 1220 mm ^2. Assume a = 1.4 m, b = 8.9 m, and c = 3.6m. If P = 60kN and Q = 80kN determine the normal stress in each member.
A rectangular steel block is 4 inches long in the x direction, 2 inches long in the y direction, and 3 inches long in the z direction. The block is subjected to a triaxial loading of three resultant forces as follows: 72 kips compression in the x direction, 60 kips tension in the y direction, and 56 kips tension in the z direction. If ν = 1/3 and E = 29 x 106 psi, ( a ) determine the single resultant load in the z direction that would produce the same deformation in x direction as the original loadings. ( b ) determine the single resultant load in the y direction that would produce the same deformation in x direction as the original loadings.
2. A steel wire 30 ft long, hanging vertically, supports a load of 500 lbf. Neglecting the weight of the wire, determine the required diameter if the stress is not to exceed 20,000 psi and the total elongation is not to exceed 0. in. Assume E = 29 × 106 psi.
A 8-mm-diameter wire (E = 90 GPa) supports a tension load of 5 kN. If the total elongation of the wire must not exceed 14 mm, determine the maximum allowable length L of the wire. 5,000.00 N
Why is the wall reaction on the left side not considered in the calculation of force P
The rigid beam BC is supported by rods (1) and (2). The cross-sectional area of rod (1) is 9 mm². The cross-sectional area of rod (2) is 18 mm². For a uniformly distributed load of w = 2.3 kN/m, determine the length a so that the normal stress is the same in each rod. Assume L = 3.00 m. (1) B Answer: a = i L W a (2) m
1. Consider the following frame. Free Body diagrams are required Determine the support reactions in the pins at A and C. .Determine the internal loadings at E. Determine the internal loadings at F. а. b. C. Make your cross-section perpendicular to the length of the beam. 4 ft 75 lb/ft `D -2 ft 1 ft |BE -2 ft- 1 ft G 1 ft 30° 150 lb
1.18 Determine the smallest safe cross-sectional areas of members CD, GD, and GF for the truss shown. The working stresses are 140 MPa in tension and 100 MPa in compression. (The working stress in compression is smaller to reduce the danger of buckling.) B 6 m 4 m 4m E 6 m H 6 m Ġ 6m F 6m 140 kN 140 kN A.
The rigid beam BC is supported by rods (1) and (2). The cross-sectional area of rod (1) is 7 mm?. The cross-sectional area of rod (2) is 19 mm?. For a uniformly distributed load of w = 2.8 kN/m, determine the length a so that the normal stress is the same in each rod. Assume L = 3.70 m. A (1) (2) B a