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A hydraulic-lift table is used to raise a 1000-kg crate. It consists of a platform and two identical linkages on which hydraulic cylinders exert equal forces. (Only one linkage and one cylinder are shown.) Members EDB and CG are each of length 2a, and member AD is pinned to the midpoint of EDB. If the crate is placed on the table, so that half of its weight is sup- ported by the system shown, determine the force exerted by each cylinder in raising the crate for u = 60°, a 5 0.70 m, and L = 3.20 m. Show that the result obtained is independent of the distance d.
Evaluate the valve closure to achieve a water exit velocity
In flows past solid bodies, the force exerted on the body by the fluid motion depends upon the fluid velocity u, the density p, the viscosity
Strategy formulation presupposes a set of objectives and goals.
Tensile force formulas, A cylindrical steel beam is 2 inches diameter and 6 feet long. The modulus of elasticity is 30 x 1,000,000 psi. If the beam is subjected to a tensile force of 1000 lbs, what will be the resulting unit strain?
A piston-cylinder device contains 0.8kg of steam at 300 degrees C and 1 MPa. Steam is cooled at constant pressure until one-half of the mass condenses.
Important information about Overall Heat Transfer Coefficient A copper sphere of internal diameter 2 m and wall thickness 40 mm is insulated with 75 mm of expanded polystyrene
A steady flow air compressor compresses 50 lb/min from 14 psia and 80 degrees F to a discharge state at 45 psia and 300 degrees F. Heat departs from the air only via circulating water that enters the jacket at 75 degrees F and leaves at 95 degrees..
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
Roll out a sheet of blu-tack, punch out a disk with your specified radius, assemble a flywheel for testing on an electric drill and determine the approximate critical rotation speed in rpm - SEM212 T1 2014
A car and a high -speed trian at constant speeds. three seconds after the train passes under the highway bridge the car crosses the bridge.
Superheated water vapour at 180 psia and 500 degrees Farenheit is allowed to cool at a constant volume until the temperature drops to 250 degrees Farenheit. At the final state, determine
Temperature Effect on Materials (i) A hollow cylinder of aluminium 1 m long with a 40 mm outside diameter is at a temperature of 20 °C. What is the change in length and circumference of the cylinder when it is cooled to â?'25 °C
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