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1. Calculate the critical Euler buckling stress for a W 12 x 40 steel column 24 ft in length with a modulus of elasticity of 3 x 107 psi.
2. Using the Euler formula, calculate the critical load of a 1.5-in. diameter steel rod 3 ft long used as a compression member. Assume end conditions are pinned- connected and the modulus of elasticity is 3 x 107 psi.
An incompressible ?uid ?ows radially (no y- or f-component) into a small circular drain. How must the radial component of velocity vary with radius as demanded by continuity?
thermal convection in the presence of heating can be modelled bydtdt u dtdx v dtdy qcp k d2tdx2 d2tdy2 all are
1.what is a beam? what factors determine the maximum load that it can take without failure?2.what is a column? what
an ideal gas power cycle is executed within a closed piston-cylinder system and consists of three processes as follows1
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2m.
Corresponding real distances are computed using the scale factor You can also solve the exam question manually - normalized strain rate computation.
the boom derrick supports a suspended 15-kip load. the booms bc and de are each 20 ft long. the distances are a 15 ft
The spring has a stiffness k=200 N/m and is unscratched when the 25 kg block is at A. Determine the acceleration of the block when s=0.4 m. The contact surface between the block and the plane is smooth (no friction).
air enters a steady-flow compressor with a specific enthalpy of 293.4 kjkg and a velocity of 60ms and leaves with a
determine the actual and minimum theoretical operating costs, each in $/day.
a closed rigid tank of 3000 kg of water starts as a saturated liquid at 160c and it is heated to a final state
a simple pulley with the given radius r used to lift heavy objects is positioned 10 feet above ground level. Given that the pulley rotates theta degrees, determine the height to which the pulley is lifted.
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