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A Steam Generator is a type of heat exchanger in which hot exhaust gases (modeled as air) are used to heat saturated liquid water to produce steam. In this case hot exhaust gases enter a heat exchanger at 700 K and at a mass flow rate of 20 kg/s. Saturated liquid water enters the heat exchanger at 800 kPa and is converted to saturated vapor at a rate of 2 kg/s. Assuming the steam generator to be adiabatic with the surroundings determine: a) the exit temperature of the steam (°C), b) the exit temperature of the air (K), c) the maximum possible steam generation rate (kg/s), d) the efficiency of the generator.
for a piece of material the steady-state flow across its thickness is 0.297 10-3 kgm2 h. if the concentration on the
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A cylindrical specimen of a metal alloy 51.3 mm long and 11.1 mm in diameter is stressed in tension. A true stress of 350 MPa causes the specimen to plastically elongate to a length of 57.9 mm. If it is known that the strain-hardening exponent for th..
water from a pipeline is diverted into a weigh tank for exactly 10 min. the increased weight in the tank is 4765 lbf.
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