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Repeat Prob. 9-133 using a compressor efficiency of 80 percent and a turbine efficiency of 85 percent.
Prob. 9-133:
A turbojet aircraft is flying with a velocity of 280 m/s at an altitude of 9150 m, where the ambient conditions are 32 kPa and 232°C. The pressure ratio across the compressor is 12, and the temperature at the turbine inlet is 1100 K. Air enters the compressor at a rate of 50 kg/s, and the jet fuel has a heating value of 42,700 kJ/kg. Assuming ideal operation for all components and constant specific heats for air at room temperature, determine
(a) the velocity of the exhaust gases,
(b) the propulsive power developed, and
(c) the rate of fuel consumption.
Sequentially, for k = 2, 3,..., denote by di(k) the minimum of the lengths of paths from 1 to i that have length greater than di(k - 1) [if there is no path from 1 to i with length greater than di(k - 1), then di(k) = ∞]. We call di(k) the k-level..
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What is the difference between a homogeneous and a heterogeneous DDBMS? Under what circumstances would such systems generally arise?
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create a change - counting game that gets the user to enter the number of coins required to make exactly one dollar. the program should let the user enter the number of pennies,nickels,dimes, and quarters.
What is the name given to a routine that is executed in response to an interrupt? What are the advantages of using interrupts to handle data inputs and outputs?
Some multimedia can be difficult to view on a mobile device due to screen size or bandwidth limitations. Find two articles that discuss considerations and new developments that will enable multimedia on a site to be viewed effectively on a mobile dev..
Compare and contrast an NAP and a MAE. Name a few examples of each please?
Computer Forensics, also known as Digital Forensics, is a scientific examination by a certified computer forensic specialist, which includes the identification, collection, preservation and analysis of all forms of Electronically Stored Informatio..
Generate a table showing the data structure for the first two respondents in the NCS-R data set.
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