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WEDGE FRICTION:
Explain how wedge is used for raising heavy loads. Also give principle of it.
Sol.: Principle of wedge: A wedge is small piece of material having two of their opposite faces not parallel. To lift block of weight W, it is pushed by horizontal force P which lifts the block by imparting reaction on the block in direction 1r to meeting surface that is always greater than total downward force applied by block W This will cause resultant force acting in upward direction on block and moves up.
state a note on reversible and irreversible process?
Torsional equation for circular shaft
(a) What could be the characteristics of tool materials. (b) Describe several tool materials with their composition.
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explain of pascal law
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Q. What is Vertical Spoilers? Vertical Spoilers - Use a three-start system of short vertical spoilers arranged in a helical pattern on the top third of the vessel. The exposed
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