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Reconsider Prob. 14-46. Determine the required properties using EES (or other) software instead of the psychrometric chart. What would the property values be at a location at 3000 m altitude?
Prob. 14-46
The air in a room has a pressure of 1 atm, a dry-bulb temperature of 24°C, and a wet-bulb temperature of 17°C. Using the psychrometric chart, determine (a) the specific humidity, (b) the enthalpy (in kJ/kg dry air), (c) the relative humidity, (d) the dew-point temperature, and (e) the specific volume of the air (in m3/kg dry air).
A vertical triangular orifice in the wall of a reservoir has a base 0.9m long,0.6m below its vertex and 1.2 m below the water surface. determine the theoretical discharge?
Helium gas contains trace amounts of methane. Consider a helium balloon pressurized to 5 psi. If methane molar mixing ratio is 800 ppmv, what is the pressure of methane in the balloon?
A soil borrow material in its natural state in the ground has a unit weight of 86 pcf. Its natural water content is 9%. What is the dry weight of this material
A cutting 9 m deep is to be excavated in saturated clay of unit weight 19 kN/m3. The design shear strength parameters are cu = 30 kN/ m2 and ?u = 0. A hard stratum underlies the clay at a depth of 11 m below ground level.
The undercarriage for an aircraft uses two springs between each wheel and the aircraft fueselage to cuhion the landing of the aircraft. There are two sprung wheels and the mass of the aircraft is 5000kg
A flocculation/sedimentation combination basin in a conventional drinking water treatment plant is to be constructed of cast-in-place reinforced concrete. The horizontal flow rectangular basin will be located in New Jersey, USA
a) The maximum flow rate that can be achieved without cavitation occurring in the piping system. b) The maximum elevation of the highest point of the piping system to avoid cavitation.
A community had a population of 200,000 in 1995 and it is expected that this will increase to 260,000 by 2010. The water treatment capacity in 1995 was 165 ML/day. A survey showed that the average per capita water use rate was 700 L/(person.day). Est..
How much energy do methanogenic bacteria get from using glucose and hydrogen (H2) to form methane and water as the products. Determine the net reaction (assume methane and water are the only products).
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y.
Tensile testing of human cortical bone is conducted to obtain the elastic moduli. The cross-sectional geometry of bone varies along its length, although the cross-section can be approximated as hollow and circular,
If the farmer irrigates continuously, what will be the steady state concentration of selenium in the stream downstream from the farm (after the irrigation run-off returns to the stream)?
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