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A long slender column ABC is pinned at ends A and C and compressed by an axial force P (see figure). At the midpoint B, lateral support is provided to prevent deflection in the plane of the figure. The column is a steel wide flange section (W 250 × 67) with E = 200 GPa. The distance between lateral supports is L= 5.5 m.
Calculate the allowable load P using a factor of safety n = 2.4, taking into account the possibility of Euler buckling about either principal centroidal axis (i.e., axis 1-1 or axis 2-2).
Air at 3.5MPa and 500 C is expanded in an adiabatic gas turbine to 0.2MPa. Calculate the maximum work that this turbine can produce, in kJ/kg.
a hydraulic jump at the base of a spillway of a dam is such that the depths upstream and downstream of the jump are
Calculate the number of teeth of gear and calculate the speed and direction of rotation of the arm - In the compound planetary gear train shown
a turbine is operated with an enthalpy at entrance of 1340 btulbm and an exit enthalpy of 1285 btulbm. if the entrance
A stiletto heel has a semi-circular cross-section with radius of 0.25 in. Due to walking over irregular surfaces and shifts in body weight, moments of up to 30 lb.-in. can act where the heel attaches to the shoe. Determine the maximum tensile or comp..
a power unit has a power rating of 30 kw and supplies flow at a rate of 60 lpm, what is the maximum pressure this unit can withstand?
Air at 500 kPa, 500 K and a mass flow of 600 kg/h enters a pipe passing overhead in a factory space. At the pipe exit, the pressure and temperature of the air are 475 kPa and 450 K, respectively. Air can be modeled as an ideal gas with k 5 1.39. K..
wind drag can be approximated as being quadratic in speedfd av2where a is a scaling constant and v is the relative
non-equilibrium statistical treanor distribution for vibrationally excited molecules. based on the non-equilibrium
A disc with radius of gyration of 60 mm and a mass of 4 kg is mounted centrally on a horizontal axle of 80 mm length between the bearings. It spins about the axle at 800 rpm counter-clockwise when viewed from the right-hand side bearing. The axle ..
what are the velocity thermal and concentration boundary layers? under what conditions do they all have the same
an iron blok m1kg initialy held stationary is dropped form a 100 m height. it strikes the groud and is assumed to be
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