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A link chain loaded as shown in Figure P19.25 is comprised of two sizes of links that are connected with pins. Assume that the thicker links are twice as thick as a thin link. For this problem:
(a) Copy the drawings and sketch paths of force flow through the chain.
(b) Using the force flow concept, locate and identify the critical sections for the
(1) thick link,
(2) thin link, and
(3) pin.
1kg of a gas in a piston-cylinder assembly undergoes a Carnot power cycle for which the isothermal expansion occurs at 800 K. The change in specific entropy of the gas during the isothermal compression, which occurs at 400 K is -25 kJ/kg. K.
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the vertical load on the hook is 1000 lb. draw the appropriate free-body diagrams and determine the maximum average
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