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Suppose that a company has four jobs to be assigned to four workers. The costs, in dollars, of assigning these jobs to these workers are given in Table 5.5.21. Determine the assignment plan that minimizes the company's total cost.
Design a private sewage system (seepage pits) for the apartment building in Appendix B. In this design, use a percolation rate of 16 min. Assume the maximum water table elevation is 2 ft (0.6 m) below grade.
the presence of raindrops in the air during a heavy rainstorm increases the average density of the air-water mixture.
Refrigerant-134a enters an adiabatic compressor as saturated vapor at 160 kPa at a rate of 2 m3/min and is compressed to a pressure of 900 kPa. Determine the minimum power that must be supplied to the compressor.
A lawn sprinkler with three identical arms is used to water a garden by rotating in a horizontal plane by the impulse caused by water flow. Water enters the sprinkler along the axis of rotation at a rate of 64L/s and leaves the 1.6?cm-diameter nozzle..
A strain gage has a nominal resistance of 120 ? . The gage is installed in a bridge circuit having equal arm resistances of 120 ? and is operated as a current-sensitive device with a detector resistance of 350 ? . The voltage source is 4.5 V. Calc..
Assume that the board weighs 25 kg and deflects 10 cm statically when the person stands on it. What is the static safety factor if the board material has an ultimate stress of 200 MPa in the longitudinal direction
a tractor-trailer is traveling at 60 mih when the driver applies his brakes. knowing that the braking forces of the
given a variable speed centrifugal pump initially pumping 32000 pounds mass per hour lbmhr at a discharge pressure of
what is the maximum bandwidth of this network, in bytes/s.
a water ride at cedar point involves a 200 lb canoe that slides down a 45 degree incline from an original elevation of
how condenser can increase the power developed? and what is back pressure how it will effect the plant efficiency and
Water vapor at 6 MPa, 600°C enters a turbine operating at steady state and expands adiabatically to 10 kPa. The mass flow rate is 2 kg/s and the isentropic turbine efficiency is 94.7%. Kinetic and potential energy effects are negligible. Determine..
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