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Consider a Rankine cycle with a single regenerative feed-water heater. The steam enters the turbine at 30 bar 400C and the condenser pressure is 0.1 bar. The feed-water heater is a direct contact type and operates at a pressure of 5 bar. Determine: a. The cycle efficiency b. The mean temperature of heat addition c. Compare the results for part (a) and (b) for the case of Rankine cycle without regeneration.
Aluminum-lithium alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. A commercial aircraft skin material having a density of 2.47 g/cm3 is desired. Compute the concentration of Li (..
a refrigeration remove 12 kj of heat from a body when working between 24 k and 310 k if the coefficient of performance
How is the technology utilized effectively or ineffectively? What are some barriers to more effective usage, and what are some recommendations you would make to overcome these barriers?
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
the friction force acting at the chip-tool interface the main (tengential ) cutting force is 1500N . Find the orthogonal rake angle of the cutting tool?
a piston held by a pin in an insulated cylinder shown in figure above right contains 2 kg water at 100c quality 98. the
using the general form of the reynolds transport theorem derive the equation of conservation of linear momentum for a
a 2 m3 tank containing nitrogen at 25oc and 500kpa is connected through a valve to another tank containing 3kg of
a charge of -3.30 microc is fixed in place. from a horizontal distance of 0.0435 m a particle of mass 7.65 10-3 kg and
a cylindrical bar of radius 15 mm and length 100 mm is held at both ends. if at 30 degc no axial force exists in the
a vessel contains 2 litres of gas at a pressure of 300kpa and a temperature of 27c .3 litres of gas at the same
a tank truck carries a cargo of liquid which fills 23 of the tank figure 3. the tank is open tonbspthe atmosphere. if
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