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To design a cantilevered truss to support the loads shown in the figures, two layouts are proposed as shown in Figs. A and B. All truss members are steel with allowable stress of 20ksi. (a) Determine the minimum cross section area needed for both layouts to prevent buckling (Pcr = p2EI/l2) for the truss with the minimum total weight by using a circular cross section. (b) Which layout has the minimum total weight?
Q. Find the dimension of strongest rectangular beam that can be cut out of log of 25 mm diameter. Sol .: b 2 + d 2 = 25 2 d 2 = 25 2 - b 2 As M/I = σ/y; M =
What are properties of couple
Define Advantage and Disadvantage of Electron Beam Machining Advantage 1. Suitable for automatic machining. 2. Absence of mechanical contact between work piece and too
(a) Enlist and describe the several mechanical properties of commonly used engineering materials. (b) State the objectives and applications of case-hardened components.
Explain the Adiabatic System - Thermodynamic Adiabatic System: A system along with adiabatic walls can just only exchange work and not heat with the surrounding is known as Adi
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calculate the vertical reaction at A in Newtons
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INTRODUCTIO : In Motorcycle Servicing, we studied about servicing of a motorcycle. Here, you will study about the detailed procedures for motorcycle service and maintenance. The s
how to design of flywheel ,clutch and gearbox
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