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Problem 1: Steam at 1 bar, 150 °C is compressed in a closed system by reversible adiabatic process to final pressure of 20 bar. Determine the final temperature and the amount of work. Problem 2: Nitrogen is compressed adiabatically in a closed system from initial pressure P1 = 1 bar, T1 = 5 °C to P2 = 5 bar. Due to irreversibilities there is an entropy generation equal to 4.5 J/mol K. a) Calculate the temperature at the end of the compression. b) Calculate the amount of work. How does it compare to the reversible adiabatic work? Assume nitrogen to be an ideal gas under the conditions of the problem. Is this a reasonable assumption?
Propose a model which will show how temperature in the tank changes with time. State assumption used. Solve this model to obtain T(t) given that T(t=200s) = 50°C.
1. Formation of kidney stones occurs when concentration of a poorly soluble salt (for example, calcium oxalate) in urine exceeds its solubility limit. Assume that a kidney stone has already formed and has traveled into the bladder. A bioengineer hypo..
1name the five classes of fire and give an example of each. describe how an extinguishing agent controls each class of
Terephthalic Acid. (TPA) is produced by the reaction of p-Xylene. ,(PX) and Oxygen in the presence of a catalyst and solvent (S): Process conditions are provided for the Air entering the reactor and the reactor off gas.
What is the principle of lime Soda process? Give their functions with chemical reactions. 2. Write notes on reverse osmosis and ultra filtration.
Describe the major technical areas involved in engineering a new biomaterial such as a contact lens. Are there differences with other biomaterial based products?
question 1suppose the system shown below. initially the gas is at 200 kpa and occupies a volume of 0.1 m3. the spring
Chlorine has two isotopes 35Cl and 37 Cl, for the anion Cl- , of the isotope 37 Cl, specify the number of protons np ,number of electrons ne and numbers of neutrons nn
A flow process produces work using water as the working medium. The process is as follows: steam of quality 50% at 1 bar is compressed adiabatically to 20 bar; is heated isothermally by absorbing 3500 kJ/kg of heat; is expanded adiabatically to an..
Design Options for Recovery of Acetic Acid from Aqueous Solution. The project involves the comparison of two methods for recovery of acetic acid from an aqueous solution. Your client is planning to add additional acetic acid production capacity of..
The thermal design of a heat exchanger to recover heat from a kerosene stream by transfer to a crude oil stream was carried out in. Make a preliminary mechanical design for this exchanger. Base your design on the specification obtained from the CA..
Assume that an As i mplant leads to a uniform electron concentration of 1019 cm·3 down to a depth of 0.1 µm and a mobility of 100 cm2 .V1 .s·1 . Determ ine the resistivity and the sheet resisti vity of the implanted layer.
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