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A pump operating at steady state takes in saturated liquid water at 65 lbf/in.2 at a rate of 10 lb/s and discharges water at 1000 lbf/in.2 The isentropic pump efficiency is 80.22%. Heat transfer with the surroundings and the effects of motion and gravity can be neglected. If T0 5 75°F, determine for the pump
(a) the exergy destruction rate, in Btu/s.
(b) the exergetic efficiency.
hot oil cp2.3 kjkg.c at a rate of 2.5 kgs enters an adiabatic exchanger at 180 c and leaves at 150 c. cooling water
Determine the specific volume of superheated water vapor at 15 MPa and 407°C, using the generalized compressibility chart. In m3/kg with four significant figures.
Draw the stress distribution along the walled thickness and discuss whether the composite with the applied pressure is safe or not by using von-Mises and Tresca theory.
suppose a pair of rolling element bearings is being considered as the support for the front wheel of a bicycle. the
a tank open to the atmosphere initially contains 2 lb of liquid water initially at 80degf and 0.4 lb of ice initially
Genetically engineered bacteria (used to produce insulin) are immobilized in a solid agar disc (cylinder with flat surface facing up - 100 cm diameter, 5 cm height), which is exposed to large volume of stirred liquid media on both of the flat surface..
a cantilevered beam bracket of uniform cross section extends 12 inches from the wall and supports 100 pounds of load at
a free piston-cylinder system initially contains 8 kg of saturated liquid water at 275 kpa initial state. the water in
Finding the volume of hydrogen, A hydrogen filled balloon of the type used in cosmic ray studies is to be expanded to its full size which is a 100-ft diameter sphere, without stress in the wall at an altitude of 150,000 ft.
a 10 ft3 vessel contains steam at 200 psi and 500degf. a valve on top of the vessel is opened and steam is expelled to
calculate the span of a differential pressure transmitter that is mounted 10 inches below the bottom instrument tap on
two uninsulated rigid tanks contain air. initially tank a hold 1 lbm of air at 1440 degrees r and tank b has 2 lbm of
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