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Hydrogen at 25 bar, 450°C enters an adiabatic turbine and expands to 2 bar, 160°C with a mass flow rate of 0.2 kg/s. For a dead state of To= 25°C, Po = 1 atm determine the exergetic efficiency.
an orifice meter is installed in a 12 foot ductile iron pipe carrying water at 60 deg f. a mercury manometer is used to
the thermometer in this problem a thermometer has a time constant of 10s and behaves as a first-order system. it is
assume you are given a spherical joint where the ball has a radius of 20 mm and socket has a radius of 22 mm. if the
in a condenser of a steam power plant the lake water is used as a coolant for the condensing steam. steam enters at 10
air at a rate of 10 lbms enters an adiabatic compressor at 15 psia 80 f and leaves at 150 psia 740 f. calculate the
a 250 g 23.0-cm-diameter plastic disk is spun on an axle through its center by an electric motor. what torque must the
an orifice meter is installed in a 12 inch ductile iron pipe carrying water at 60 degrees f. a mercury manometer is
block c starts from rest at t 0 and moves downward with a constant accelerration of 4 ins2 . knowing that block b has
a machining-center spindle and tool extend 10in. from their machine-tool frame. calculate the temperature change that
underground water is to be pumped by a 70 percent efficient 3 kw submerged pump to a pool whose free surface is 30 m
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a large number of concrete slabs each 0.6 m in length are lined up with a spacing of 0.1nbspmm between them. the
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