Two parts of a machine, both made from steel, areheld together by 5 equally-spaced M6 x 1.0 grade 8.8bolts that are uniformly tightened to provide a totalinitial clamping force of 23 kN in the members. Eachbolt has a proof stress of 600 MPa, and a tensile areaof 20.1 mm². The elasticities are such that the jointconstant is 0.2.A uniform static tensile load of 12 kN is applied to theentire joint after it has been preloaded.What is the magnitude of the total clamping force in thejoint after the application of the tensile load? Express youranswer in units of kilonewtons.

So, the magnitude of the total clamping force in the joint after the application of the tensile load…

Answered: Two parts of a machine, both made from…

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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A member in tension in a machine frame is subjected to a continuous load of 5.00 kN. Its length is 750 mm and it is made of a carbon steel tube with an outer diameter of 17 mm and an inner diameter of 12 mm. Calculate the tensile stress (in MPa).
An eye bolt carries a tensile load of 20 kN. Find the size of the bolt , if the tensile stress is not to exceed 100 MPa.
The lap joint is fastened with four 3/5 in-diameter rivets. The allowable normal stress in the plates is 30 ksi, allowable shearing stress is 24 ksi for the rivets and 28 ksi for the plates in bearing. Find the maximum safe axial load P that can be applied to the joint. Assume that the load is equally distributed among the rivets. Include the necessary FBDs showing the involved internal forces in the exploratory sections. Your solutions are invalidated without the required FBDs.
A hollow cylinder of external diameter 50 mm and internal diameter 30 mm is subjected to tensile load of 150 kN. Then the tensile stress is _____________ MPa
Two plates 50 mm wide and 20 mm thick are lap jointed by a 20-mm dia. pin and loaded with 75 kN tensile force. Estimate shear stress on the pin in MPa.
Q // If the value of the highest load we get from the tensile test of a wrought iron model with a circular . section is (52 kN) with an axial stress of ( 460 Mpa), calculate the diameter of the examined model
A mild steel cover plate is to be designed for an inspection hole in the shell of a pressure vessel. The hole is 120 mm in diameter and the pressure inside the vessel is 6 N/mm2. Design the cover plate along with the bolts. Assume allowable tensile stress for mild steel as 60 MPa and for bolt material as 40 MPa
NEED ANSWER ASAP !!! The axial load 274 kN applied to the lap joint is distributed equally among the three 26.5-mm-diameter rivets. What is the bearing stress (in MPa) between a plate and a rivet if w = 135.4 mm and t = 29.5 mm?
The one end of a hollow square bar whose side is 10.50 in with 1.50 in thickness is under a tensile stress and the other end is connected with a U bracket using a double-pin system. Find the minimum diameter of pin is used according to shear strength. Take the factor of safety as 1.5 and σallowable=243 ksi for pin material.
The cylinder head of the gas engine has a dimension of a 254 mm x 450 mm. There are ten (10) bolts on the block. The explosion pressure is 14 kg/cm² and the studs are made of ordinary bolt material, with Sy = 606,760 kPa Find the stress area in in².
For a lap joint, determine the maximum safe load P which may be applied if the shearing stress in the rivets is limited to 60 MPa, the bearing stress in the plates to 110 MPa, and the average tensile stress in the plate to 140 MPa
Calculate each of the following under 20 kN load on a structure given below where all pins have a diameter of 10 mm. a) What is maximum stress on bar BD? b) Check the Pin strength at Location D against shearing. (Use ?Y=300 MPa, n=2 - factor of safety for Pin). Is it secure/safe or not? c) Check the Pin and Bearing strength against shearing at Location C. Are they secure/safe or not? (Use ?Y=300 MPa, n=2 - FOS for pin/bearing and ?Allow=300 MPa for bearing).

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