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A steam turbine operates at steady state with inlet conditions of P_1 = 5 bars, T_1 = 320°C. Steam leaves the turbine at a pressure of 1 bar. The turbine is adiabatic and kinetic and potential energy changes are negligible. If the isentropic turbine efficiency is 75%, determine the work per unit mass flow in KJ/kg, and plot on an h-s diagram.
an important part of a project is to identify the key process input variables kpiv and key process output variables
the position of a particle which moves along a straight line is defined by the relation x t3 - 6t2 - 15t - 40 where x
a wire of radius ri is coated by a process described above. it is fed to a reservoir filled with a newtonian fluid with
An insulated tank is divided into two parts by a partition. One part of the tank contains 2.5 kg of compressed liquid water at 600 Celcius and 600kPa while the other part is evacuated. The partition is now removed, and the water expands to fill the e..
A piston cylinder setup shown below contains 0.1 kg saturated water at 100 kPa with quality 0.25. The mass of the piston is such that a pressure of 500 kPa will float it. The water is heated to 300°C.
the 2kg block a and the 5kg block b are initially at rest on the inclined plane as shown. all surfaces in this system
A 4 pole, 9 coil, simplex wave wound machine with 20 turns per coil is rotating in a field of 3T, and pole area of 100cm2. Find the maximum torque generated from a 100V source, and an armature resistance of 1 ?. Find the current, if the machine has b..
A 0.3-L glass of water at 20°C is to be cooled with ice to 5°C. The melting temperature and the heat of fusion of ice at atmospheric pressure are 0°C and 333.7 kJ/kg, respectively, and the density of water is 1 kg/L.
A heat engine operates between a source at 530C and a sink at 8C. If heat is supplied to the heat engine at a steady rate of 1,450 kJ/min, determine the maximum power output of this heat engine.
Your task is to find a structure / machine that has some biological component to it from the world of nature or sports and analyse it using math based equations.
A long copper wire, 0.8 cm in diameter, is suddenly exposed to an air stream at a temperature of T? = 37°C. The thermal conductivity of the wire is k = 400 W/(m*K), the density is ? = 8900 kg/m3, and the heat capacity is cp= 385 J/(kg*K). If the conv..
A new fire resistant insulation is to be tested. A specimen of the insulation is placed in front of a test furnace. The specimen is 140 mm thick, and is initially at 25°C. The furnace gases are at 900°C, and the convective heat transfer coefficient o..
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