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In Fig. P2.43, with the manometer top open the mercury level is 8 in. below the air pipe; there is no pressure in the air pipe. The manometer top is then sealed. Calculate the manometer reading H for a pressure of 30 psi in the air pipe. Assume an isothermal process for the air in the sealed tube.
what is the actual mechanical advantage of the system?
In Sample Problem 13.2, change the area of the steel bar to 1200 mm2. If the load P = 700 kN is applied and then removed, determine the residual force in each bar.
a floating platform weighs 30 kn. a hollow sealed cylinder 1 m in diameter weighs 1 kn per meter of length. the water
electric space heaters for home use commonly utilize a ceramic filament as the heating element. list the mechanical
In any groups of seven guests, there are two guests who do know each other. At the end of the party, everyone gives a present to all the guests he or she knows. Prove that the total number of gifts given is at most 6n
water at 200 lbfin2 and 300 f is throttled adiabatically through a valve to 30 lbfin2. the inlet velocity is 5 fts and
a well-insulated rigid tank contains 20 kg of saturated liquid-vapor mixture of water at a 100 kpa. initially 73.72 of
Then, assuming the engine could be started determine what maximum speed it could run at in the coldest conditions before it warmed up, neglecting all other losses, if the engine could deliver 60 kW of power. Parameters:
in a workshop three workers are doing similar continuous work which is turning and threading a cylindrical steel bar. a
A hollow cylinder with outer radius r0 and inner radius ri is loaded by a uniformly distributed load q across its length L. The beam is supported by a roller at its left end and a pin L/5 from its right end. What is the maximum bending moment in t..
A water filtration system in an industrial processwas purchased in 2014 for $250,000. It will be replaced at the end of year 2019. What is the estimated cost of the replacement, based on the following equipment cost index?
Design a damper (that is, choose a value of c) such that the maximum deflection at steady state is 0.05 m.
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