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Reheat, where high pressure and low pressure turbines are used, is added to a simple steam cycle to increase the steam quality at the location where the steam exits the low pressure turbine and goes to the condenser. Consider a steam cycle where the turbine entrance pressure and temperature are 3.5 MPa, 400°C, and the condenser pressure is 10 kPa. (a) Compare the turbine exit quality for a simple cycle (without reheat) with that for the low-pressure turbine exit quality of a reheat cycle where the exit at 0.8 MPa of the high-pressure turbine is reheated to 400°C and then expands through the low pressure turbine to 10 kPa. Also, (b) compare cycle efficiencies.
the reynolds number of a fluid flowing through a 5-cm-diameter, square-edged orifice plate meter within a 15-cm pipe is 250,000. Find the discharge coefficient for flange taps.
the boy of mass 40 kg is sliding down the spiral slide at a constant speed such that his position measured from the top
a new building to be located in a cold climate is being designed with a basement that has an l200 mm thick wall. inner
a triangular gate abc with the shape of an isosceles triangle and the vertex at point a and the base bc 6 m what is
a normal shock wave exists in mach 2 stream of air having temperature and pressure of 45degf and 30 psia respectively.
an inventor claims to have devised a refrigeration cycle that at steady state requires a net power of .8 hp to remove
A 90N force is applied to control rod AB as shown. Knowing the length of the rod is 225mm, determine the moment of the force about point B by resolving the force into components along AB and in direction perpendicular to AB?
a robot unloads a finished component from a machine and places it on a gravity conveyor. the conveyor accelerates from
In the an ideal turbo jet, the engine is designed such that the turbine work is divided equally between the compressor and the propeller. The gas from the turbine discharges to a nozzle for additional thrust.
Lawn mower engines normally have finned surfaces directly attached to the engine block, with no radiator, in order to achieve the required cooling. Why might the cooling strategies be different in these two applications?
Describe IN DETAIL how you could determine the required rate of heat addition or removal.
a robot arm is lifting a large body. the mass of the body is 4.66 slugs its radius of gyration is .6667 ft and its
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