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The dry- and wet-bulb temperatures of atmospheric air at 95 kPa are 25 and 17°C, respectively. Determine
(a) The specific humidity,
(b) The relative humidity, and
(c) The enthalpy of the air, in kJ/kg dry air.
a vertical pipe conveying water tapers from 50 mm in diameter at the top to 25 mm in diameter at the bottom in a length
Argon enters a pipe at 100 kPa and 27oC and is compressed (via a compressor. meaning work is being done on the system) in an adiabatic, steady flow process to 200 kPa abd 100oC at the exit. Calculate the work required for this process in KJ/kg.
A 380 cc single-cylinder two-stroke motorcycle engine is operating at 5500 rpm. The engine has a bore of 82 mm and a stroke of 72 mm. Performance testing gives a bmep od 6.81 bar, bsfc of 0.49 kg/kW hr, and delivery ratio of 0.748. a) What is the fue..
For the following pair of polymers, state whether or not it is possible to determine whether one polymer is more likely to crystallize than the other. Linear and syndiotactic polypropylene-Cross linked cis-isoprene
an ideal vapor compression refrigeration cycle that uses r-134a maintains a pressure in the condenser of 1000kpa and
nasa is designing a mission to explore titan the largest moon of saturn. titan has numerous hydrocarbon lakes
Design a process for the manufacture of 10^6 kg per year of mayonnaise. the shelf life of the product is expected to be 1 year. You need to complete the following in your design.
a. What is the melting point at standard conditions for ammonia? Boling point is given -33.4C. b. What is the enthalpy change for boiling ammonia at 0C?
consider 5 kg of air initially at 101.3 kpa and 38 c. heat is transferred to the air until the temperature reaches 260
Describe the methods used. Show a simple schematics sketch of the joining method and briefly describe the process. Compare the advantages and disadvantages of each joining method.
while holding one of its ends a worker lobs a coil of rope over the lowest limb of a tree. if he throws the rope with
One half of a mole of air is taken through the following processes in a closed piston-cylinder arrangement. From the initial state (V1 = 10 L, p1 = 1 atm) the gas is expanded at constant pressure to a volume of 20 L. It is then heated at constant vol..
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