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1 refrigerant 134a as saturated vapor at 210degc enters a compressor operating at steady state with a mass flow rate of
a pump operating at steady state takes in saturated liquid water at 65 lbfin2 at a rate of 10 lbs and discharges water
1 you have been invited to testify before a committee of your state legislature that is crafting regulations pertaining
ways to run cars on water are frequently touted on the internet for each of two different such proposals write a
the objective of this project is to design a low-cost electric-powered portable or wearable consumer product that meets
1 complete one of the following projects involving methods for storing electricity considered thus far in this book see
many appliances including ovens stoves clothes dryers and hot-water heaters offer a choice between electric and gas
answer the following true or false explaina exergy is a measure of the departure of the state of a system from that
answer the following true or false explaina in anbspthrottlingnbspprocess energynbspandnbspexergy are conservedb if
using appropriate software develop plots giving the variation with equivalence ratio of the equilibrium products of
spark-ignition engine exhaust gases contain several air pollutants including the oxides of nitrogen no and no2
1 what is the maximum number of homogeneous phases that can exist at equilibrium for a system involvinga liquid phase
an isolated system has two phases denoted by a and b each of which consists of the same two substances denoted by 1 and
1 for a two-phase liquid-vapor mixture of water at 100degc use tabulated property data to show that the specific gibbs
1 if the ionization-equilibrium constants for cs ds cs1 1 e2 at 1600 and 2000 k are k 5 078 and k 5 1563 respectively
1 gaseous propane c3h8 at 77degf 1 atm enters a reactor operating at steady state and burns with the theoretical amount
1 methane gas at 25degc 1 atm enters a reactor operating at steady state and burns with 80 of theoretical air entering
1 determine the specific flow exergy in btulbmol and btulb at 440degf 735 lbfin2 for a nitrogen n2 and b carbon dioxide
four kilograms of a two-phase liquid-vapor mixture of water initially at 300degc and x1 5 05 undergo the two different
a thermal reservoir at 1200 k is separated from another thermal reservoir at 300 k by a cylindrical rod insulated on
an electric water heater having a 200-l capacity heats water from 23 to 55degc heat transfer from the outside of the
a gearbox operating at steady state receives 20 horsepower along its input shaft delivers power along its output shaft
a gearbox operating at steady state receives 2 hp along the input shaft and delivers 189 hp along the output shaft the