8.10 The pipe carrying steam at 3.5 MPa has an outer diameter of 450 mm and awall thickness of 10 mm. A gasket is inserted between the flange at one end of thepipe, and a flat plate is used to cap the end. (a) How many 40-mm-diameter boltsmust be used to hold the cap on if the allowable stress in the bolts is 80 MPa, ofwhich 55 MPa is the initial stress? (b) What circumferential stress is developed in thepipe?450 mm10 mmFIG. P8.10TIT TUTTECAD-1925

Given Diameter of bolt, d = 40 mm Pressure, P = 3.5 MPa Outer diameter, D = 450 mm Thickness, t =…

Answered: 3.10 The pipe carrying steam at 3.5 MPa…

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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PROBLEM 3. A double-row butt joint is used as a connection. It is made up of two 210-mm by 20-mm cover plates and 210-mm by 35-mm main plate. The plates are to be connected by 32-mm diameter rivets. The allowable stresses are 75MPa for shear, 90MPa for tension and 285MPa bearing. Assume that each hole is 3mm larger than the rivet diameter. ust PDF ng imen GIBL o Alel 1. What is the largest value of P (kN) that can be applied without exceeding the ollowable stress for shear? 2. What is the largest value of P (kN) that can be applied without exceeding the ollowable stress for bearing? 3. What is the largest value of P (kN) that can be applied withour exceeding the allowable stress for tension? ng in
3. A circular steel cylinder of external diameter 0.2 m and internal diameter 0.1 m is shrunk onto a circular aluminium alloy cylinder of external diameter 0.1 m and internal diameter 0.05 m, where the dimensions are nominal. Determine the radial and hoop stresses at the bores and outside surfaces, such that when there is an internal pressure (retained by end caps) of 300 MPa, the maximum hoop stress in the inner cylinder is 150 MPa.
The given plate below with width of 200 mm andthickness of 16 mm is to be connected to two plates ofthe same width with half the thickness by 20 mmdiameter rivets as shown. The rivet hole is 2 mm greaterthan the rivet diameter. Allowable tensile stress on netarea is 0.6Fy. Allowable bearing stress is 1.35Fy. plate: fy = 241 mpa fu = 4141 mpa rivet: fv = 152 mpa Determine maximum load P for block shear
What is the stress in the pipe when there is no internal pressure What is the maximum permissible internal pressure in the pipe if the working tensile stress in the brass is 60MPa
The figure shows a roof truss and the detail of the riveted connection at joint B. Using allowable stresses of τ= 70 MPa and σb= 140 MPa, how many 22-mm diameter rivets are required to fasten member BC to the gusset plate? Member BE? What is the largest average tensile or compressive stress in BC and BE? Say ABC = 864mm2; ABE = 1780mm2.
A 2.4 diameter steel molding is lifted by 4 steel cables as shown. The mold weighs 3 kN/m. (a) what is the required diameter of wire that will not exceed the allowable stress of 120 MPa. and (b) if the wire diameter increase by 20%, find the vertical displacement of the molding. 24m
A smooth-walled 100 mm edge steel bucket is filled with rubber to form a rubber bucket embedded within the steel bucket. If the rubber hub is compressed by a 100 kN force, determine: a) The normal contact stress between the rubber and the inner walls of the steel. b) The change in volume experienced by the rubber bucket. Consider the following: - The steel bucket is rigid. - There is no friction between the smooth walls of the steel bucket and the rubber (shear stress equal to zero between steel and rubber). - Rubber properties: E = 4 MPa and v = 0.45.
3. The rail roads are usually made of steel material segments with a 10 m long. Between each segments there are some spacing for the contraction and expansion because of temperature differences. a. When the temperature of certain region is changes between -20.0 °C and 30 °C how much space they should put between each segment? b. If the segments are originally in contact, what is the stress in them at 30 °C?
Calculate the normal stresses (in Pa) at point Bof the bracket caused by the 25139 N force. - 540 mm A ... 180 mm 180 mm 60 mm → B P 3.
Three cables having an area of 0.05 in^2 each is carrying the load W as shown. With no stress, the original lengths of the cables are 74.99 ft, 75.00 ft, and 74.94 ft. E = 29 x 10° psi Calculate for the stress in the intermediate wire. Choices: a. 8,026.65 psi b. 9,999.66 psi c. 19,939.80 psi d. 10,102.52 psi 1500 lb
A steam boiler is to have a 300 mm diameter hand placed hole on one end. If themaximum internal pressure is 1.3 MPa, how many 15 mm holes will be required to keepthe cover plate in position? The root diameter of a 15 mm bolt is 12 mm. The allowabletensile stress in the bolts is 100 MPa and the initial stress in the bolts when they aretightened is 600 MPa.

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