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A natural gas-fired furnace in a textile plant is used to provide steam at 250°C. At times of high demand, the furnace supplies heat to the steam at a rate of 30 MJ/s. The plant also uses up to 10 MW of electrical power purchased from the local power company. The plant management is considering converting the existing process plant into a cogeneration plant to meet both their process-heat and power requirements. Your job is to come up with some designs. Designs based on a gas turbine or a steam turbine are to be considered. First decide whether a system based on a gas turbine or a steam turbine will best serve the purpose, considering the cost and the complexity. Then propose your design for the cogeneration plant complete with pressures and temperatures and the mass flow rates. Show that the proposed design meets the power and process-heat requirements of the plant.
the density of air is to be determined by measuring its pressure and temperature for insertion in the ideal gas
a steel beam of i section is 300mm deep. each flange is 200mm wide and 50mm thick. the web is 50mm thick. the section
The system is at rest in the position shown, with the 12-lb collar A resting on the spring (k = 20 lb/ft), when a constant 30-lb force is applied to the cable. What is the velocity of the collar when it has risen 1 ft? The collar is attached to th..
if the 50 kg. crate starts from rest and attains a speed of 6ms when it has traveled a distance of 15m. determine the
We need to design a piping system that transports 35ft^3/s of water 100ft. The available head is 7ft. The pipe is to be made out of a rough concrete material. Find the necessary diameter for the pipe.
A horizontal cantilever of length L supports a load W, uniformly distributed along its length. the cantilever is proped to the level of the fixed end at a distance 3/4 L from that end. Determine the load on the prop.
If the chest is completely filled with ice, calculate the time for the ice to completely melt. State your assumptions. The enthalpy of fusion for water is 330 kJ/kg.
a wire of radius ri is coated by a process described above. it is fed to a reservoir filled with a newtonian fluid with
Assessment task aims to introduce students to FEA and its application in CAE. You will be required to numerically analyse the structural performance of a simple structure
The ground state of dysprosium (element 66, in the 6th row of the Periodic Table) is listed as 5 Jg . What are the total spin, total orbital, and grand total angular momentum quantum numbers? Suggest a likely electron configuration for dysprosium.
Assume that the MHC-PMS is being developed using an object-oriented approach. Draw a use case diagram showing at least six possible use cases for this system.
a window frame manufacturer is searching for ways to improve revenue from its triple- insulated sliding windows sold
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