A steel pipe having yield stress σy = 270 MPa is to carry an axial compressive load P = 1200 kN. A factor of safety of 1.8 against yielding is to be used. If the thickness t of the pipe is to be one-eighth of its outer diameter, Calculate: a) the minimum required outer diameter b) the thickness of the pipe

A steel pipe having yield stress σy = 270 MPa is to carry an axial compressive load P = 1200 kN. A factor of safety of 1.8 against yielding is to be used. If the thickness t of the pipe is to be one-eighth of its outer diameter, Calculate: a) the minimum required outer diameter b) the thickness of the pipe

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

4. A steel rod of length L and uniform cross sectional area A is secured between two walls, as shown. Use L=1.7 m, E = 200 GPa, a = 11.9 × 10-6 /°C and AT = 70 °C. Calculate the stress for a temperature increase of AT for: a) The walls are fixed. b) The walls move apart a distance 0.4 mm. (20 pts)
Q2. Show that = Cr2(a - 0 + sin 0 cos 0 – tan a cos? 0) is a permissible Airy function for the tapered cantilever of uniform thickness, shown in Figure 2, and derive expressions for the corresponding stresses or, 0g and tre. Also, find the %3D value of the radial stress at 0-0° when a=30°. w/ unit length Figure 2
A stress element is shown. The material has a yield strength of 200 MPa, an ultimate strength of 275 MPa, and a Young’s Modulus of 207 GPa.
05) Find the minimum volume of the truss shown with constraints on the depth of the truss (y), cross-sectional areas of the bars (Al and A2), and the stresses induced in the bars (ol and o2). Treat y, Al, and A2 as design variables with oi < 105 Pa (i 1, 2), 1 msys4 m, and 0< Ai <0.2 m2 (i = 1, 2). 9 m y Bar I Bar 2 (area = Ap) (arca = A3) P = 1000 N
For the figure shown below. Find the maximum allowable value of P if the bending stresses are not exceeding 3.5 KN/m² in tension and 8KN/m² in compression 0.015m 0.015m 2P |4P ЗР 0.2m . 0.25m 0.02m 2m A A 2m.
Find the m ax- shear stress for the bean below?
Answers (a) er=15.30-250.2/r^2 , etheta=15.30+250.2/r^2 (b) delta c = 8.12x10^-4 in
A closely coiled helical spring is made of 6 mm diameter steel wire, the mean diameter of the coil is 60 mm and there are 8 coils. Taking the modulus of rigidity as 100 kN/mm2, find the stress, in kPa, in the wire when carrying an axial load of 529N.
Find the stresses in each direction, also find the change in volume of the block of dimension 125 mm x 55 mm x 25 mm, subjected to 3 mutually perpendicular loads. The load along length, breadth and depth directions are 18 kN (tensile), 15 kN (compressive), 13 kN (compressive) respectively. Take E as 170 GPa, Poisson's ratio as 0.3 The stress along length direction (Unit in MN/m2)=. The compressive stress along width direction (Unit in MN/m2)= The compressive stress along depth direction (Unit in MN/m2)= The change in volume of the block is (unit in mm3) =
Answer is 111.4 MN)m^2 please post your solution if you got the same answer and in clear handwriting
Q1// A hollow shaft of 10mm inside diameter and 5mm thick and 2m long extends by 0.5 cm under a tensile load (P) .find 1- the load P if E=2.10° N/cm? 2-the tensile stress in the shaft.
The force applied at the handle of the rigid lever causes lever to rotate 0.04 radians clockwise about the pin connection at B. if each cable is made of steel (E=200Gpa) and has a cross-sectional area of 3x10^-3m^2. Calculate a) The average normal stress in each cable? b) the force applied at E? The horizontal distance between points D and E is 200mm