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An open feedwater heater operates at steady state with liquid water entering at inlet 1 at 50 degrees celsius and 1 MPa. a separate stream of water enters at inlet 2 with m2/m1=0.22 and a pressure of 1 MPa. a single stream of saturated liquid water exits with a pressure of 1 MPa. Ignore heat transfer with the surroundings and neglect KE and PE effects. for the stream at inlet 2, determine the Temp in Celsius, is superheated, or the quality, if two phase.
air at 0.1 kgs is to be cooled from 140 c to 40 c in a heat exchanger. the coolant water is at 20c constant throughout
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 refrigerator uses refrigerant-134a as the working fluid and operates on the vapor-compression refrigeration cycle.
natural gas is a mixture of methane ethane propane and butane...as well as other components. consider natural gas
for a crystal with a cubic structure sketch its unit cells showing the following crystallographic directionsa 011 b 212
assuming that the diameters of 1000 brass plugs taken consecutively from a machine form a normal distribution with
Air enters an adiabatic compressor at 0.1 kg/s, 100 kPa, 25 °C and exits at 700 kPa. (a) Draw a schematic of the system. Determine (b) the minimum power input (kW) and (c) the entropy generation rate (kW/K)
in the production of ethanol from corn the solids left after fermentation are dried in a continuous-flow oven. this
two well-insulated tanks contain air. initially tank a hold 1.0 lb of air at 1440 r and tank b has 2.0 lb of air at
natural gas at 70 f and standard atmospheric pressure of 14.7 psi is compressed isentropically to a new absolute
five kg of r-22 refrigerant at 3 bar and saturated vapor is contained in a closed rigid tank. a process cools the r-22
gusset plate Determine the resultant of the three forces tha must be carried by the gusset plate. 30 degrees off of the wall and F1, F1 = 10k, F2 = 12k, F3 = 18k
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