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Repeat Problem 9-121, assuming an efficiency of 86 percent for each compressor stage and an efficiency of 90 percent for each turbine stage.
Problem 9-121:
Consider an ideal gas-turbine cycle with two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300 K and each stage of the turbine at 1200 K. Determine the back work ratio and the thermal efficiency of the cycle, assuming
(a) no regenerator is used and
(b) a regenerator with 75 percent effectiveness is used. Use variable specific heats.
You are to design and develop three HTML5 pages themed on Manchester. The pages should be optimised for delivery on a tablet, and should contain the following:
Assume that you did not have access to Microsoft Office or other compatible application suites. Describe at least three (3) tasks that you would not be able to perform without Microsoft Office 2013.
After proving that this is an hyperbolic PDE show that its general solution (without Cauchy data) is similar to the general solution of the wave equation (uxx - v2uyy) with v equal to the propagation speed.
You are required to create a detailed analysis for each of the following array-based sorting algorithms.
If a light beam has a wavelength of 500nm in free space and it enters a new medium with a speed of light there being 2*108m/s. If the frequency does not change, what happens to the wavelength?
When using UML to describe the classes, what is UML? What does a + or - signify
Determine a smallest-last vertex ordering and plot degree when deleted diagram for given random geometric graphs.
Draw a block diagram of a possible architecture for such a system.You should identify the principal sub-systems and the links between them.
(a) Discuss the effects falling oil and gas prices on the gasoline equilibrium quantity and price; and, (b) what price do you expectregular gasoline will be in Pullman WA on October 15, 2015 and on December 15, 2015 and explain why.
Determine whether or not the two conditions are equivalent - that is, whether they will be true or false for exactly the same values of the variables appearing in them.
What are the advantages of a virtualized data center over a classic data center?
In a more typical situation, the government woud not know the cost of pollution reduction at each firm. if the government decided to reach its overall goal by imposing uniform reductions on firms, calculate the reduction made by each firm, the cos..
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