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A steam Rankine cycle operates between pressure limits of 2500 psia in the boiler and 1psia in the condenser. The turbine inlet temperature is 800degrees farenheit. The turbine isentropic efficiency is 90percent, and the cycle is sized to produce 1000kW of power. Find mass flow rate through the boiler, power produced by the turbine, the rate of heat supply in the boiler, thermal efficiency, and error caused in the thermal efficiency if the power required by the pump was completely neglected.
a liquid food is being heated in a tubular heat exchanger. the inside pipe wall temperature is 110degc. the internal
saturated vapor at 8 mpa enters the turbine of a 100 mw net power vapor power plant. the pressure at the exit of the
an electric-powered water pump must fill up a 50000 gallon elevated water tank in which the water averages 60 feet
The roof is supported by cables. If the cables exert FAB = 100N and FAC = 120N on the wall hook at A, determine the magnitude of the resultant force acting at A.
a rigid container of volume 1 m3 contains 16.13 kg of h2o of an unknown phase. the pressure of the h2o is initially 7
a frictionless piston-cylinder contains argon which is initially at 25 deg. c with a volume of 2.2m3. the system is
one design calls for a diffusion flux of 5 108 molm2.s a tube radius of 0.125 m and inside and outside pressures of
three particles are sliding along a flat frictionless surface ma 0.4 kg mb 0.5 kg and mc 0.4 kg. before any
A magnetic pickup is used to detect the shaft speed of a turbocharger. A standard hexagonal nut is used to excite the pickup. If the shaft is turning at 50,000 rpm, how many positive impulses will be counted per second?
water at 25 degrees c enters a heat exchanger at 0.1 kgs and exits at 50 degrees c. kerosene enters the other side of
part a air is compressed at constant temperature from standard temperature and pressure and volume 258 in3 to a volume
a temperature measurement device with a time constant of 0.15 seconds outputs a voltage that is linearly proportional
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