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1. A turbine receives steam at 3000 kPa, 500?C and has two exit flows, one at 1000 kPa, 350?C with 20% of the flow and the remainder at 200 kPa, 200?C. Find the isentropic and second-law efficiencies.
2. Steam enters a turbine at 25 MPa, 550?C and exits at 5 MPa, 325?C at a flow rate of 70 kg/s. Determine the total power output of the turbine, its isentropic efficiency, and its second-law efficiency.
Discuss some of the issues you would consider in the interpretation of the data.
What are the problems associated with this method in terms of shrinkage of concrete?
What is the most significant difference between "free" jets and flows in confined structures (nozzles, pipes, etc.) in terms of formulation of force terms ÓF(i.e. left hand side) of the momentum equation
What is the probability that the N-S runway is going to be overcrowded on a given day, if at the beginning of the day the runway is selected to be used?
A short hollow cast iron cylinder with a wall of thickness of 1 inch. is to carry a compressive load p=150 kips. compute the required outside diameter if the working stress in compression is 12,000 psi
A catheter is a specialised needle intended for long-term insertion into a vein in a patient's arm. Engineers are redesigning them to cause less discomfort and damage. An intravenous chemotherapy system is based on a new catheter design.
An equimolar mixture of helium and argon gases is to be used as the working fluid in a closed-loop gas-turbine cycle.
An unconfined compression test was conducted on a compacted soil sample, 50 mm diameter by 100 mm long. The peak axial force recorded was 230 N and the sample shortened by 2 mm.
Using a forked rod, a smooth cylinder C having a mass of 0.5 kg is forced to move along the vertical slotted path r = 0.5? m, where ? is in radians. If the angular position of the arm is ?
Who is responsible for verifying that the construction of the building complies with the hurricane protection provisions of the building codes What authority does the responsible party have to verify such compliance
determine critical depth in a circular pipe of 36 inches diameter and roughness coefficient of 0.015. The flow rate is 15 cfs. So = 0.002
See if linear elastic fracture mechanics provides valid characterization for the conditions of the experiments.
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