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Consider a small simple Rankine Power cycle which produces 600kW power from an electric generator with an efficiency of 95%. The steam leaves the boiler at 1250psia as superheated steam and leaves the turbine at 2 psia with a quality of 90%. What is the mass flow rate of steam through the turbine, Ib/h? If the boiler has an efficiency of 85% and bums natural gas with a heating value of 100,000 btu/therm at a cost of $1.25/therm, what does it cost to provide natural gas to this plant in $/hr? What is the heat rejection for the condenser in btu/h? If the condenser is water cooled with cooling water entering at 85deg F and leaving at 100 deg F, what flow rate of cooling water is required in gpm?
a mountain climber determines his altitude using atmospheric pressure and temperature measurement data. he uses a
A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F,
0.2 m3 of saturated liquid r-134a in a piston cylinder is heated at a constant pressure of 800kpa to 50 dcg c. what is
If the maximum shear stress is limited to one-half of its yield strength and the fillet radius is 0.3 in, what is the maximum torque that can be applied? What power could be transmitted by a similar shaft rotating at 400 rpm?
Coal is discharged from the tailgate of a dump truck with an initial velocity vA = 2 m/s A 50°. Determine the radius of curvature of the trajectory described by the coal.
a jet of water impinges on a vane and is deflected as shown. the volume flow rate is q 0.16 m3s and the nozzle speed
the number of women-years of exposure is less than for established methods and all available evidence should be
you are designing a remote-area power supply based on a miniature wind turbine that is 20 efficient. meteorological
find the transfer function for the following impulse responsefind the transfer function for the following impulse
how to find the change in diameter of a cylinder of 225mm length, 25mm diameter and a load of 180Km?
a light globe dissipates 200w as heat. it is exposed to a light breeze of air at 20c which results in a convective heat
, determine the speed of the boy at the instant = 4 . Neglect the size of the limb. When = 0, = 8 so that and are coincident, i. e., the rope is 16 long.
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