Determine the total entropy change during given process
A 25-kg iron block initially at 350°C is quenched in an insulated tank that contains 100 kg of water at 18°C. Assuming the water that vaporizes during the process condenses back in the tank, determine the total entropy change during this process.
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If a company uses the same payback requirement to evaluate all projects, say it requires a payback of 4 years or less, then the company will tend to reject projects with relatively short lives and accept long-lived projects, and this will cause it
By how much can the inside diameter be increased without raising the maximum shear stress induced by the internal pressure by more than 10%?
In order to manufacture cylinder that will withstand increased pressure the technique of shrinking one cylinder onto another is often used, this being termed a 'compound cylinder'.
Write the differential equation obeyed by the liquid temperature theta. b) solve the equation you found in part (a) for theta in terms of the arbitrary initial temperature theta.
Assuming the water that vaporizes during the process condenses back in the tank, determine the total entropy change during this process.
Simkins Renovations Inc. is considering a project that has the following cash flow data. What is the project's IRR? Note that a project's IRR can be less than the WACC (and even negative), in which case it will be rejected.
An earth orbit has a perigee radius of 7000 km and a perigee velocity of 9 km/s. Calculate the change in apogee radius due to change of 1 km in the perigee radius.
What is the system reliability for a light panel containing 12 light bulbs, and only requires 9 bulbs to be working for success (only 3 failures allowed). The reliability performance of the bulbs is based on the exponential reliability distributio
What is the reliability, the equivalent MTBF value, and the equivalent failure rate for a system that has a primary microprocessor circuit board and a secondary microprocessor circuit board that is hooked up in standby redundancy? Each microproces
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