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a steam turbine operates adiabatically at a power level of 3500 kw steam enters the turbine at 2400 kpa and 77315 k
propylene is compressed adiabatically from 115 bar and 30315 k 30degc to 18 bar at the rate of 1 kmol s-1 if the
air at 1 atm and 30815 k 35degc is compressed in a staged reciprocating compressor with intercooling to a final
steam enters the turbine of a power plant operating on the rankine cycle fig 83 at 87315 k 600degc and exhausts at 30
a steam power plant employs two adiabatic turbines in series steam enters the first turbine at 92315 k 650degc and 7000
a steam power plant operating on a regenerative cycle as illustrated in fig 85 includes just one feedwater heater steam
methane is compressed adiabatically in a pipeline pumping station from 3500 kpa and 30815 k 35degc to 5500 kpa at the
an air-standard gas-turbine cycle is modified by installation of a regenerative heat exchanger to transfer energy from
consider an air-standard cycle for the turbojet power plant shown in fig 813 the temperature and pressure of the air
the contents of the freezer in a home refrigerator are maintained at 25315 k -20degc the kitchen temperature is 29315 k
a refrigeration system requires 15 kw of power for a refrigeration rate of 4 kwa what is the coefficient of
a power plant operating on heat recovered from the exhaust gases of internal combustion engines uses isobutane as the
a vapor-compression refrigeration system operates on the cycle of fig 91 the refrigerant is water given that the
dry methane is supplied by a compressor and precooling system to the cooler of a linde liquid-methane system fig 96 at
an advertisement is noted in a rural newspaper for a dairy-barn unit that combines a milk cooler with a water heater
what is the heat effect when 20 kg of licls is added to 125 kg of an aqueous solution containing 10-wt- licl in an
a large quantity of very dilute aqueous naoh solution is neutralized by addition of the stoichiometric amount of a
the following liquids all at atmospheric pressure and 32215 k 49c are mixed 113 kg of pure water 40 kg of pure sulfuric
it is proposed to cool a stream of 75 mass- sulfuric acid solution at 33315 k 60degc by diluting it with chilled water
determine the heat of mixing ah of sulfuric acid in water and the partial specific enthalpies of h2so4 and h2o for a
if pure liquid h2so4 at 30015 k 27degc is added adiabatically to pure liquid water at 30015 k 27degc to form a 40 mass-
saturated steam at 275 bar is throttled to 1 atm and mixed adiabatically with and condensed by 45 mass- sulfuric acid
the following reaction reaches equilibrium at 77315 k 500degc and 2 barif the system initially contains 5 mol hcl for
ethylene is produced by the dehydrogenation of ethane if the feed includes 05 mol of steam an inert diluent per mole of
the production of 13-butadiene can be carried out by the dehydrogenation of n-butaneside reactions are suppressed by