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Problem 6.13:
Steam at 500 C and 40 bar passes through two turbines arranged in parallel, and their exit streams are combined into one stream. Turbine 1 has 100% efficiency, while the efficiency of turbine 2 is 75%. Both turbines exhaust at 1 bar. The stream that is formed by combining the exhausts of the two turbines is saturated vapor. a) Determine the fraction of the total flow rate that passes through each turbine. b) Determine the rate of entropy generation. What are the irreversible feature of this process?
Chapter 7 Section 10-13 Objective: Determine the strains and shear strains of a plane strain element. Concepts: Plane Strain Problem: Units: millimeters The cantilever beam shown above is subject to a load P acting at the mid -height of the beam a..
where and Qp are constants for a given gas-polymer pair. Consider the diffusion of hydrogen through a poly (dimethyl siloxane) (PDMSO) sheet 20 mm thick.
Determine the membrane area needed. Given: Membrane properties and mass transfer information - Develop a process schematic
To determine the Ksp value of Hg2I2, a chemist obtained a solid sample of Hg2I2 in which some of the iodine is present as radioactive 131I. The count rate of the Hg2I2 sample is 5x10^11 counts per minute per mole of I. An excess amount of Hg2I2(s)..
What are the biggest risks to the child? How are they controlled
a)Draw and label the flowchart and carry out the degree-of-freedom analysis using balances on atomic species.(b)Determine the molar flow of oxygen supplied to the boiler.
An elementary second order adiabatic reaction A+ B CD ? + is taking place in a CSTR. The feed to the reactor is equimolar A and B at concentrations of 2.4 mol/liter. The entering temperature is 300 K.
Devise a preliminary control scheme for the sections of the nitric acid plant described in Chapter 2, flow sheet Figure 2.8, which are listed below. Make a practice HAZOP study of each section and revise your preliminary control scheme.
Draw a block diagram for the controlsystem.
Explain Non-adiabatic operations of flow reactors. 15In non-adiabatic operations, heat interchange with the surroundings will beaccounted. The conversion can be defined as the ratio of the net heat still needed after heattransfer to raise the feed..
A sealed rigid tank is filled with 1 kg of steam at 200 °C and 10 bar. What is the volume of the tank? 0.5 kg of steam are removed from the tank. If the temperature remains at 200 °C, what is the new pressure in the tank?
determine the diode current and voltage and the power delivered by the voltage source. The diode characteristic is given in Figure P7.2.14 (b).
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