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A 1200 MW power plant has a thermal efficiency of 39%. Find: (a) the rate of heat addition to the cycle (b) the rate of heat rejection from the condenser [(a) 1.05 x 10^10 Btu/hr; (b) 6.4 x 10^9 Btu/hr]
air enters the compressor of a regenerative air-standard brayton cycle with a volumetric flow rate of 60 m3s at 0.8 bar
a helical compression spring is made of no. 18 .0147 in wire having a torsional yield strength of 108 kpsi. it has an
an insulated piston-cylinder device contains 5 l of saturated liquid water at a pressure of 200 kpa. an electric
Steam enters the turbine of a simple vapor power plant with a pressure of 160 bar and a temp of 560 C and expands adiabatically to 0.08 bar
a liquid r-134-a bottle has an internal volume of. 0.001 m3. initially it contains 0.4 kg of r-134a saturated mixture
a heat pump has a second law efficiency of of 74. it supplies heat to a room at a rate of 46000 btuhr in order to
At what location S will the combined moment of the weights of the man and platform about point B be zero?
a mass of m .24kg of steam is contained in a closed cylindrical container is compressed by a piston from initial
starting from rest the motorboat travels around the circular pathp 50m at a speed v0.8tms where t is in seconds.
a new product tracking machine costs 130000 and will have a 15000 salvage value at the end of 10 years. annual repair
energy addition in polytropic process in this case the initial air pressure is 750 psia and 750 f. the polytropic
a cannonball with mass m is fired with an initial speed v0 at an angle theta ablve the horizontal. compute the time it
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