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A simple steam power system has a turbine inlet state of 6.0 MPa and 540 0C and an exhaust pressure 0.008 MPa. The cooling water in the condenser experiences a temperature rise from 20 to 27 0C and T0 is 20 0C. The adiabatic efficiencies of the turbine and pump are 85 and 70 percent, respectively.
Determine, in kJ/kg of steam,The availability changes across the two turbine stages, condenser, reheat section, boiler and pump. The irreversibility's in turbine, pump and condenser Then find the effectiveness of the cycle.
Two tow trucks lift a 660 lb motorcycle out of a ravine following an accident. If the motorcycle is in equilibrium in the position shown, what are the tensions in cables AB and AC?
design a double-reduction gear train that will transmit 7.45 kw from an electric motor running at 1750 rpm to an
a spring ab of constant k is attached to a support a and to a collar of mass m. the undeformed length of the spring is
a converging-diverging nozzle has a design mach number of 2.0 . the stagnation pressure at the nozzle inlet is 100
water flows from a storage tank through a horizontal 6-inch pipe cast iron and discharges water 20 degrees celsius into
initially 0.05 kg of air is contained in a piston-cylinder device at 200 degc and 1.6 mpa. the air then expands at
Determine the largest allowable square cross section of a steel shaft of length 6 m if the maximum shearing stress is not to exceed 135 MPa
A slotted disk and opto-interrupter outputs pulses at 62 HZ. The disk has only one slot cut in it. what is the rotating speed of the disk in rpm?
during a steady flow processdry saturated steam at 450 psia expands in a turbine to 10 psia. the mechanical efficiency
Determine the peak runoff from 500 ft of pavement(32ft wide) that drains toward a gutter(for 10 years freq. storm), the pavement slope is .0005, n=.016 and c=.9
a shaft consisting of a steel tube of 50 mm outer diameter needs to transmit 100 kw of power while rotating at a
a rectangular sunk key 16mm x 12mm thick x 80mm long is required to transmit 1500kn-mm torque from 60mm
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