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Compute the number of kilograms of hydrogen that pass per hour through a 5-mm thick sheet of palladium having an area of 0.4 m2 at 500°C. Assume a diffusion coefficient of 1 × 10-8 m2/s, that the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that steady-state conditions have been attained.
a helical spring of stiffness k is cut into two halves and a mass m is connected to the twonbsphalves as shown below
you are given a task of compressing a fixed quantity of gas from P1,T1 to P2,T1. you wish to do this using a polytropic process coupled with a constant pressure P2 heat-transfer process. determine the polytropic process that minimizes the entropy ..
Write a literature review and the title is "the effect of fluid cooling on the performance of building integrated photovoltaic thermal systems. Using some BIPVT prototypes measure their thermal and electrical output and dtermine their effectiveness"
a spherical balloon contains 2 kg of water at 230 degrees c 400 kpa the specific volume is 0.5951 m3kg. the balloon
A motorist enters a freeway at 36 kph and accelerates uniformly to 90 kph. From the odometer in the car, the motorist knows that she traveled 0.20 km while accelerating. Determine a.) the acceleration of the car, b.) the time required to reach 90 ..
what are the three principal types of critical system ? explain the differences between these.
the link DE is 3mm thick and 25 mm width,determine the normal stress in the central portion of the link.
(a) Determine the surface temperatures on the two sides of the circuit board.
If water leaves the basement at 88C, determine the rate of heat loss from the weather.
A fireclay brick cube, 10 cm in length is removed from a furnace where it was maintained at a temperature of 500 degrees C. The brick cube is then placed in ambient temperature conditions.
Find the shaft ID needed to obtain a maximum deflection at the center of 3 mm if the shaft OD is 22 cm. Assume the shaft to be the same length between supports as the length of the paper roll.
The plate fin heat exchanger uses gaskets to separate oil and water paths. Since this unit is used in trucks, vibration should also be considered. Run a FMEA analysis and suggest the possible solution to avoid future failure.
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