Determine the exergetic efficiency for a dead state
Hydrogen at 25 bar, 450°C enters an adiabatic turbine and expands to 2 bar, 160°C with a mass flow rate of 0.2 kg/s. For a dead state of To= 25°C, Po = 1 atm determine the exergetic efficiency.
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A 10-cm-diameter parallel-plate capacitor has a 1.0 mm spacing. The electric field between the plates is increasing at the rate 1.3 106 V/(m · s). What is the magnetic field strength at the following distances from the axis.
Neglecting the kinetic and potential energy changes between inlet and exit, is it possible that the compressor operates as claimed?
An orifice meter is to be installed in a 12-in ductile iron pipe carrying water at 60°F. A mercury manomoter is to be used to measure the pressure difference across the orifice when the expected range of the flow rate is from 1500 gal/min to 4
A judge chooses a jury of n people out of a pool of N people. The choice is uniform among all subsets of n elements of the pool. Unhappy with an outcome, he dissolves this jury (returning the people into the pool) and chooses another jury of m peo
Air is expanded from 2000 kPa and 500C to 100kPa and 50C. Assuming constant specific heats, determine the change in specific entropy of air.
A star has an apparent magnitude of -1.5 and an absolute magnitude of 1.4 (giving it an m-M value of -2.9). If the value of the extinction towards the star Av is on the order of 0.5 magnitudes, what is the distance to this star?
An accounting professor is notorious for being stingy in giving out good letter grades. In a large section of 140 students in the fall semester, she gave out only 5% As, 23% Bs, 42% Cs, and 30% Ds and Fs. Assuming that this was a representative cl
A hydraulic jump at the base of a spillway of a dam is such that the depths upstream and downstream of the jump are 0.90 and 3.6m, respectively.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult