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A potassium chloride crystallizer that operates at 100°F has a fines dissolution loop where the slurry temperature is 130'F.'9 The solubility of
If the solution is initially supersaturated by 1.0 g/IOO g and the temperature is suddenly increased to 130"F, how long would it take to dissolve lO-.um crystals or 50-.um crystals if the change in solution concentration is neglected?
(b) If the average crystal size in the fines loop is 200 flm and the slurry has 30 g solid/L, how close to saturation would the solution be after 10 s at 130"F?
A frictionless piston-cylinder device initially contains air at 200 kPa and 0.2 m3. At this state, a linear spring is touching the piston but exerts no force on it. The air is then heated to the final state of 0.5 m3 and 800 kPa. If the atmospheric p..
A small dam, which may be idealized by a large slab 1.2 m thick, is to be completely poured in a short period of time. The hydration of the concrete results in the equivalent of a distributed source of constant strength of 100 W/m3.
Sketch the T-s diagram for the cycle (put labels and appropriate information)
a tensile force of 8 kn is applied to the ends of a solid bar of 7.35 mm diameter. under load the diameter reduces to
At a certain location in a duct, moist air at 35 C, 125 kPa and a relative humidity of 50% flows at a volume flow rate of 50 m^3/s. using tabular data, determine the following: i)the humidity ratio ii)the dry air mass flow rate (kg/s) iii) the water ..
A steady, full-developed Couette flow in the x-direction (fully-developed means that the velocity does not evolve as a function of distance of x). Determine the pressure gradient field
consider the base of an 800 w household iron with a thickness l 0.6cm base area 160cm2 and thermal conductivity k 60
a gaseous mixture consists of 75 methane and 25 ethane by mass. one million cubic feet of this mixture is trapped in
How much extra water does a 147-lb concrete canoe displace compared to an ultra-lightweight 40-lb Kevlar canoe of the same size carrying the same load?
Database solutions today must be able to adapt and integrate among various computing applications. Determine at least three forms of database connectivity methods that can be used as an interface between applications. For each method you have c..
A 17-tooth 20 normal pressure-angle helical pinion with a right-hand helix angle of 30 rotates at 1800 rev/min when transmitting 4 hp to a 52-tooth helical gear. The normal diametrical pitch is 10 teeth/in, the face width is 1.5 in, and the set has a..
determine the maximum bending stress developed in the bar if it is subjected to the moments shown. the bar has a
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