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H2O is used by a turbine operating at steady state with a mass flow rate of 4 lbm/s. The water at the inlet is 140 PSI and 1000oF and at the outlet it is 2 psi. Knowing the power developed is 1,600 Btu/s, what is the isentropic efficiency?
A piston/cylinder arrangement has a load on the piston so it maintains constant pressure. It intially contains 1kg of steam at 500kPa and 50% quality. Heat from a reservoir at 700 C brings the temperature of the steam to 600 C.
Three kilograms of nitrogen (N2) initially at 47C and 2 bar is contained within a rigid, insulated tank. The nitrogen is stirred by a paddle wheel until its pressure doubles. Employing the ideal gas model with constant specific heat evaluated at 300K..
How can we rotate a disc hanged with weights freely without external effects other then gravitational force cont?
a 5-ft3 tank contains 0.6-gravity natural gas at 1500 psia and 100of. 200 scf of gas is released from the tank. this
Find the maximum shear stress in a 5 ½-in-diameter circular saw blade if it runs idle at 5000 rev/min. The saw is 14 gauge (0.0747 in) steel and is used on a 5/8-in-diameter arbor. The thickness is uniform. What is the maximum radial component of str..
Water cools at a rate of 0.1 deg C per second as it flows in a pipe at 1 m / s. At any fixed location, the temperature is independent of time. If the pipe is 10 m long, what must the temperature be at the upstream end to keep the water temperature at..
to what temperature would a constrained rod of aluminium with a diameter of 50 mm need to be heated if it is expected
steam at 500 kpa 300c is used to heat cold water at 15c to 75c for domestic hot water supply. how much steam per kg
the l12 of a bearing is the life of the bearing at which 15 failures may be expected. a new bearing design follows a
you are blanking a square using a straight edge punch. if the punch is angled to be at a shear angle of 10 degrees how
a fluid has a viscosity of x nsm2 and is placed in a concentric cylinder viscometer. the gap width is g mm and the
problem 110degc water is flowing in a 10-mm diameter smooth tube. the mass flow rate of the water is 0.15 kgs. the
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