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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?
Angular Dimensions There is only one command in this section and it is used to annotate angular measurements. The Angular Dimension Command The Angular command is amazi
What are wall footings? Explain in short. Generally wall footings are required to support direct concentric loads. However, an exception is the wall footings for retaining wall
Find out the angle of force: Q: A uniform wheel having 60 cm diameter weighing 1000 N rests against rectangular obstacle 15 cm high. Find least force required which when ac
(a) What is the function of a clutch in an automobile? Illustrate the principle of friction clutches with the help of neat diagrams. (b) Discuss the working and construction of
What is UPR Novel architecture for complete CAD data exchange, called the Universal Product Representation (UPR).
Loose piece pattern This type of pattern is also used when the contour of the part is such that withdrawing the pattern from the mould is not possible. Hence during moulding th
show that the avogadro constant is the number of atoms in 0.072kg of carbon-12
Effect of the parameters in spot welding The passage of more current than what is required causes the following defects. I. Weld expulsion ii. Cavitations iii. Weld cracking
(Buoyancy of a submerged body; compressibility of air) A grade 4 science student inverts a cup full of air into a water tank. If it takes 1 lb of force to hold the cup down 3
define elastomer.explain in details?
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