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The figure illustrates an overhanging shaft suppor The figure illustrates an overhanging shaft supported in bearings at O and B. The shaft is loaded by external forces at A and C. if the diameter of the shaft section at B is 20mm, what is the bending stress at this section? Is the stress likely to be higher at section A than at B? Assume the bearing simply support the shaft, such that the bearings apply forces to the shaft but no moments. All dimensions are in mm
during calcination of limestone calcium carbonate is decomposed into lime and carbon dioxide. the rate of calcination
Frictional resistance to motion is equivalent to a force of 500 N which can be considered to be constant. Determine the time taken, the total work done by the engine, the average power developed.
voyager 1 is on an escape trajectory from the solar system with the orbital element a - 480926000 km e 3.724716a what
the 150-lb fireman is holding a hose which has a nozzle diameter of 1 in and hose diameter of 2 in. if the velocity of
consider a 300mm x 300mm window in an aircraft. for a temperature diference of 80 degrees c from the inner to outer
A concentric tube, i.e. tube-in-tube, heat exchanger uses water at 15 °C to cool ethylene glycol from 100 °C to 60 °C. The water and glycol flow rates are each 0.5 kg/s. The specific heat of glycol and water are 2637 J/kg-K and 4180 J/kg-K, respectiv..
calculate the static thrusts of the rocket and turbojet engine described in the figure. the thrust t is the force
a 1200 lb wrecking ball with a velocity of 4 fts at the bottom of its arc strikes a wall and comes to rest in a
a balanced wheel supported on springs is rotating at 1200 rpm. if a bolt weighing 15 g and located 5 cm from center
1. Is it possible for two screw dislocations of opposite sign to annihilate each other? Explain your answer.
a heat exchanger is a device in which heat flows between two fluid streams brought into thermal contact through a
The unit cell for uranium has orthorhombic symmetry with a, b and c lattice parameters of 0.286, 0.587, 0.495 nm, respectively. If its density, atomic weight, and atomic radius are 19.05 g/cm3, 238.03 g/mol, and 0.1385 nm, respectively, compute th..
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