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A gas is to be stored in a spherical steel tank 6 m in diameter. The wall thickness is 23 mm.
Assume all joints to be groove-welded butt joints with a 90% joint efficiency.
Calculate the maximum safe internal gage pressure if the allowable tensile stress for the steel is 100 MPa.
steam generator tube denting is caused by rusting tube support plates which in turn is caused by acid chloride attack.
water is the working fluid in an ideal vapor power cycle with reheat. superheated vapor enters the first turbine stage
a smaller power plant produces steam at 3 mpa 600 c in the boiler. it keeps the condenser at 45 c by transfer of 10 mw
a concrete pier of square cross section is 6m high. the sides taper uniformly from a width of 0.5 m at the top to 1.0 m
calculate the nusselt number and the convective heat transfer coefficient for water at a bulk temperature of 32oc
The wind is blowing over some suspension cables on a bridge, causing a force that is approximated by the function 0.02 sin 21πt. Is resonance possible if the force in the cable is 40 000 N, the cable has a mass of 10 kg/m, and it is 15 m long?
three bolts are used in the connection shown in the figure. the thickness of plate 1 is 15 mm. the ultimate shear
the manometer shown above in problem 1 above contains water and kerosene. with both tubes open to the atmosphere, the free surface elevations differ by H=20mm determine the elevation difference when a pressure of 98.0 Pa is applied to the right.
For the maximum size of plate and hole to be punched, it is estimated that 3200 ft. lb of work is required to punch the hole and that the punching is accomplished in one-sixth of a revolution of the flywheel. Figure 9.78c shows the torque diagram ..
Using the standard machining parameter formulae for milling, determine the speed (rpm), feed (ipm) and machining time (TM) recommended to horizontal mill ANSI #1018 cold rolled steel that is 1.50 inch long with a 10 tooth 4.0 inch diameter slab mill ..
consider a piston-cylinder arrangement containing 5.057 x 10-4 kg of dry air. for an isothermal expansion process
calculate the work necessary to compress air in an insulated cylinder from a volume of 6 ft3 to a volume of 1.2 ft3.
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