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A two-story column ABC in a building is constructed with a hollow, square box section (see figure). The outside dimensions are 200 mm x 200 mm, and the wall thickness is 15 mm. The roof load applied at the top of the column is P1 = 312 kN and the floor load applied at midheight is P2 = 445 kN. Obtain the compressive stresses σab and σbc in the two parts of the column due to these loads.
the crate has a mass of 150kg and the coefficients of friction between it and the sloping dock are mus 0.5 and muk
A smooth flat plate, 500mm long in the flow direction and 200mm wide, is maintained at 300K in a parallel flow of 0.1 m/s Refrigerant-134a at 260K. Assuming both plate sides see external flow, determine:
a piston-cylinder device containing water undergoes a thermodynamic cycle consisting of the following three
one car p heading north begins at rest and accelerates with acceleration a. the other car q begins with a velocity of
A two-dimensional compressor cascade is tested in air with an inlet stagnation pressure of 1 bar and an inlet stagnation temperature of 300 K. For an inlet Mach number of 0.75 and an inlet flow angle of 50o, the exit flow angle is measured as 15.8..
As shown in Fig., two kilograms of water undergo a process from an initial state where the water is saturated vapor at 120°C, the velocity is 30 m/s, and the elevation is 6 m to a final state where the water is saturated liquid at 10°C, the veloci..
For the system shown below. Note that there is a circulation flow from Tank 2 to Tank 1 at a flow rate of qm = (alpha)qo.a. Develop a model of the two liquid tanks in the system below. The inflow rate is given by qmi(t).
a piston-and-cylinder device contains 10 kmol of n-pentane at -35.5 c and 100 bar. slowly the piston is moved until the
you are trying to loosen a bolt from a piece of metal with a wrench but fail. what kind of wrench should you look
If the stiffness of the spring is k = 80 N/mm and the damping constant is c = 20 N-s/mm determine (a) the maximum displacement of the car after engaging the springs and damper and (b) the time taken to reach the maximum displacement.
in a piston cylinder device 5kg of air at 200kpa and 227oc is compressed to 500kpa at 100oc. determine the entropy
the absolute Mach number of the flow at the impeller tip given that the radial velocity at that location is 30 m/s;
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