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A steam Rankine cycle operates between the pressures of 2500 psi in the boiler and 1 psi in the condenser. The turbine inlet temperature is 800°F. The turbine's isentropic efficiency is 90% and the pump can be considered ideal. The cycle is sized to produce 1000kW of power. Calculate:
a) the mass flow rate through the boilerb) the power produced by the turbinec) the rate of heat into the boilerd) the thermal efficiency
air in a piston-cylinder assembly and modeled as an ideal gas undergoes two internally reversible processes in series
a 10-kg block is attached to spring a and connected to spring b by a cord and pulley. the block is held in the position
steam with 88.6% quality and a flow rate of 750 kg/s enters a condenser operating @ 75 KPa. Saturated liquid leaves the condenser. How much heat is rejected to the cooling system.
refrigerant 134a is the working fluid in a solar power plant operating on an ideal rankine cycle. saturated vapor x11.0
A triangular field with vertices OPQ has sides OP equal 402 m, PQ equal 388 m, and QO equal 254 m . find perpendicular distance from the vertex P to the opposite side.
the uniform 11.1-kg square panel is suspended from point c by the two wires at a and b. if the wire at b suddenly
a pressure transducer that behaves as a second order system is used to monitor pressure fluctuations in a petrochemical
air at 80 degrees fahrenheit and 80 percent relative humidity is cooled to 51 degrees fahrenheit at a constant pressure
a 1.5 ton crate is hoisted by three steel wires. Each wire is 1/4 in in diameter and each wire carries one-thired of the load. Determine the stress in each of the wires.
the 1.3-lb collar slides with negligible friction on the fixed rod in the vertical plane. if the collar starts from
a helical compression spring is made of no. 18 .0147 in wire having a torsional yield strength of 108 kpsi. it has an
two moles of nitrogen are initially at 10 bar and 600 k state 1 in a horizontal pistoncylinder device. they are
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