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A spherical tank of diameter 48 in. and wall thickness 1.75 in. contains compressed air at a pressure of 2200 psi. The tank is constructed of two hemispheres joined by a welded seam (see figure)
(a) What is the tensile load f (lb per in. of length of weld) carried by the weld?
(b) What is the maximum shear stress τmax in the wall of the tank?
(c) What is the maximum normal strain ε in the wall? (For steel, assume E = 30 ×106 psi and <>
1750g of air performs an expansion work of 3100kJ on the surrounding as it expands isothermally to a pressure of 63000kPa ad a volume of 0.065 cubic meters. Determine the temperature of the air and the initial volume.
If the density of air is 1.20 kg/m^3 at the inlet and 1.05 kg/m^3 at the exit, determine the percent increase in the velocity of air as it flows through the dryer.
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a thin-walled cylindrical pressure vessel of 250 mm internal diameter and 5 mm thickness is subjected to an internal
given atmospheric air enters a 10m long 150-mm diameter uninsulated heating duct at 60 celcius and 0.04 kgs. the duct
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the drinking water needs of a residential hall with 20 students is to be met by a bubbler type water fountain. the
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Find (a) the angular acceleration, (b) the time taken for the speed to increase, (c) the work done, (d) the average power developed, (e) the maximum power developed.
A 40 mm diameter hole is drilled 3 m deep into the steel shaft. When the two torque are applied, determine (a) the maximum shear stress in the shaft: and (b) the angle of rotation of the free end of the shaft. Use G= 83GPa for steel.
an electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive
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