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A carbon steel heat exchanger that costs $140,000 is expected to have a service life of five years before it requires replacement. If type 304 stainless steel is used then the service life will be increased to ten years. Which exchanger is the most economical if the cost of capital is 12%?
Draw T-S diagram of the cycle.
Suppose you pour a gallon of water on a yowling cat 10 ft below your bedroom window. (a) How much potential energy (ft · 1bf) does the water lose?
What is the settling velocity in still air of a particle that is 40 µm in diameter and spherical? The particle has a density of 1400 Kg/m3. Use a density of 1.2 Kg/m3 and a viscosity
Derive an equation for the latent heat of fusion that is a function of the radius of the particle. Using this equation, for a copper particle that has a radius of 2.5 nm, find the ratio of the latent heat of fusion of the particle to the laten..
Describe the principles of a vapour adsorption refrigeration system, and compare this to a vapour recompression system. Which of the two systems is more suitable for refrigeration processes in a brewery or distillery and why?
mining and metallurgy assignment metallurgyyou need to assess the viability of an ore classification algorithm to be
Select a process variable (pressure / temperature / level / flow) and conduct a literature survey to determine recent developments in process instrumentation field. Identify any one novel instrument and explain in detail the working of the instr..
a solution containing 30 wt. benzene b 45 wt. toluene t and 25 wt. xylene x is fed into a distillation process as
Calculate the heat when 100.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.100 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0C and that the final mixture has a mass of 400.0 g and a specific heat capacity of 4.18 J..
His Ph.D. research atStanford focused on computer simulations of how mechanical stresses affect bone growth and adaptive changes around implants. He was doing biomechanics but "with a little 'b' and a big 'M'," he says.
What mass of ethylene glycol, HOCH2CH2OH, must be dissolved in 4.510 kg of water to result in a freezing point of 18.0°C? What is the boiling point of the same solution?
Calculate the specific heat capacity and the molar heat capacity of mercury.
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