Find the polytropic exponent the specific work
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A ball is dropped from a height of 1.0m, bounces off the floor and is observed to rise up a maxium height of .8 m. How high will the ball rise after its second bounch.
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A flow of 4 kg/s ammonia goes through a device in a polytropic process with an inlet state of 150 kPa, -20°C and an exit state of 400 kPa, 80°C. Find the polytropic exponent n, the specific work and heat transfer.
Estimate the concentration (in ppm) and the mass emission rate of NOx (in kg/hr, expressed as NO) if a coal containing 1.5% nitrogen is combusted at 1400 K.
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The facility is required to collect all the vented air and route it to a biofilter to control total emissions to less than 30 kg of ethanol per day. Calculate the required control efficiency.
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